0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x1f, 0x5, 0x9, [], 0x8}, {0xea, 0xff, 0x20, [], 0x1}, {0x0, 0x8, 0x0, [], 0x1}, {0x9, 0x7f, 0x8, [], 0xfd}, {0x80, 0x3f, 0x8, [], 0x2}, {0x9, 0xe7, 0xb2, [], 0x9}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1558.727505][ T5438] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:14 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x1f, 0x5, 0x9, [], 0x8}, {0xea, 0xff, 0x20, [], 0x1}, {0x0, 0x8, 0x0, [], 0x1}, {0x9, 0x7f, 0x8, [], 0xfd}, {0x80, 0x3f, 0x8, [], 0x2}, {0x0, 0xe7, 0xb2, [], 0x9}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:14 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ad}], 0x2}}], 0x1, 0x0) 00:16:15 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ac}], 0x2}}], 0x1, 0x0) 00:16:15 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x198, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1559.076829][ T5446] batman_adv: batadv0: Adding interface: vlan1313 [ 1559.117847][ T5446] batman_adv: batadv0: The MTU of interface vlan1313 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:15 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x1f, 0x5, 0x9, [], 0x8}, {0xea, 0xff, 0x20, [], 0x1}, {0x0, 0x8, 0x0, [], 0x1}, {0x9, 0x7f, 0x8, [], 0xfd}, {0x80, 0x3f, 0x8, [], 0x2}, {0x0, 0x0, 0xb2, [], 0x9}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1559.267821][ T5446] batman_adv: batadv0: Not using interface vlan1313 (retrying later): interface not active [ 1559.398298][ T5438] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:15 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x1f, 0x5, 0x9, [], 0x8}, {0xea, 0xff, 0x20, [], 0x1}, {0x0, 0x8, 0x0, [], 0x1}, {0x9, 0x7f, 0x8, [], 0xfd}, {0x80, 0x3f, 0x8, [], 0x2}, {0x0, 0x0, 0x0, [], 0x9}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:15 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x7b1d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1559.587904][ T5485] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:15 executing program 5: openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ioctl$EVIOCSFF(0xffffffffffffffff, 0x40304580, &(0x7f00000001c0)={0x53, 0x9, 0xf800, {0x800, 0x1}, {0x2, 0x1}, @cond=[{0x800, 0x4, 0x9, 0x8, 0x6, 0x13f}, {0xfe00, 0x7fff, 0x5, 0xffff, 0xad, 0x80}]}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r0, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r1 = bpf$ITER_CREATE(0x21, &(0x7f0000000040)={r0}, 0x8) fallocate(r1, 0x14, 0x10001, 0x3) clock_gettime(0x7, &(0x7f0000000000)={0x0, 0x0}) ppoll(&(0x7f0000000100), 0x0, &(0x7f0000000140)={r2, r3+10000000}, 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$VIDIOC_G_EXT_CTRLS(0xffffffffffffffff, 0xc0205647, &(0x7f0000000240)={0xf000000, 0x4, 0xfffffffe, r4, 0x0, &(0x7f0000000200)={0xf702d8ff006a9d51, 0x3, [], @string=&(0x7f0000000100)=0x96}}) r6 = openat$mice(0xffffffffffffff9c, &(0x7f0000000140)='/dev/input/mice\x00', 0x202200) ioctl$SECCOMP_IOCTL_NOTIF_RECV(0xffffffffffffffff, 0xc0502100, &(0x7f0000000280)={0x0}) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r6, 0xc0182101, &(0x7f0000000300)={r7, 0x5, 0x8001}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r8, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r9 = fcntl$dupfd(r8, 0x0, r1) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r5, 0x40182103, &(0x7f0000000280)={r7, 0xf498f873164038ec, r9, 0x8, 0x80000}) 00:16:15 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x1f, 0x5, 0x9, [], 0x8}, {0xea, 0xff, 0x20, [], 0x1}, {0x0, 0x8, 0x0, [], 0x1}, {0x9, 0x7f, 0x8, [], 0xfd}, {0x80, 0x3f, 0x8, [], 0x2}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1559.873001][ T5489] batman_adv: batadv0: Adding interface: vlan1314 [ 1559.918131][ T5489] batman_adv: batadv0: The MTU of interface vlan1314 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:16 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x199, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:16 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ad}], 0x2}}], 0x1, 0x0) 00:16:16 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ae}], 0x2}}], 0x1, 0x0) 00:16:16 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x1f, 0x5, 0x9, [], 0x8}, {0xea, 0xff, 0x20, [], 0x1}, {0x0, 0x8, 0x0, [], 0x1}, {0x9, 0x7f, 0x8, [], 0xfd}, {0x0, 0x3f, 0x8, [], 0x2}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1560.156633][ T5489] batman_adv: batadv0: Not using interface vlan1314 (retrying later): interface not active 00:16:16 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x7c1d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:16 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x1f, 0x5, 0x9, [], 0x8}, {0xea, 0xff, 0x20, [], 0x1}, {0x0, 0x8, 0x0, [], 0x1}, {0x9, 0x7f, 0x8, [], 0xfd}, {0x0, 0x0, 0x8, [], 0x2}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:16 executing program 5: ppoll(&(0x7f0000000100)=[{0xffffffffffffffff, 0x90}], 0x1, &(0x7f0000000140), 0x0, 0x0) fadvise64(0xffffffffffffffff, 0xff, 0x7, 0x2) 00:16:16 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x1f, 0x5, 0x9, [], 0x8}, {0xea, 0xff, 0x20, [], 0x1}, {0x0, 0x8, 0x0, [], 0x1}, {0x9, 0x7f, 0x8, [], 0xfd}, {0x0, 0x0, 0x0, [], 0x2}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1560.768583][ T5537] batman_adv: batadv0: Adding interface: vlan1315 00:16:16 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) write$binfmt_elf32(r0, &(0x7f0000000180)={{0x7f, 0x45, 0x4c, 0x46, 0x1, 0x29, 0x9, 0x4, 0x631e, 0x3, 0x3, 0x56d, 0x340, 0x38, 0x101, 0x8b4, 0x3, 0x20, 0x1, 0x49, 0x6, 0x8000}, [{0x1, 0x1, 0x1, 0xec, 0x1ff, 0xfffffffd, 0x6, 0x3}], "f0518039fa6571d623e5cbd96447edbc53e1e5cfec9b47fd93da3bd6a1ec0c070cdc858b73d42fb2f5ef59de32d3f6ee95c8548c04283c72230bf91bb46704d247125495fc3386ef878129", [[]]}, 0x1a3) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) [ 1560.808580][ T5537] batman_adv: batadv0: The MTU of interface vlan1315 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:17 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x1f, 0x5, 0x9, [], 0x8}, {0xea, 0xff, 0x20, [], 0x1}, {0x0, 0x8, 0x0, [], 0x1}, {0x9, 0x7f, 0x8, [], 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:17 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$KDGKBTYPE(r1, 0x4b33, &(0x7f0000000000)) 00:16:17 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ae}], 0x2}}], 0x1, 0x0) [ 1561.010237][ T5537] batman_adv: batadv0: Not using interface vlan1315 (retrying later): interface not active 00:16:17 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x19a, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1561.082355][ T5534] __nla_validate_parse: 2 callbacks suppressed [ 1561.082364][ T5534] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:17 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x7d1d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:17 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0af}], 0x2}}], 0x1, 0x0) 00:16:17 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x1f, 0x5, 0x9, [], 0x8}, {0xea, 0xff, 0x20, [], 0x1}, {0x0, 0x8, 0x0, [], 0x1}, {0x0, 0x7f, 0x8, [], 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:17 executing program 5: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r0, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$TUNSETOFFLOAD(r0, 0x400454d0, 0x19) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$MON_IOCQ_RING_SIZE(r0, 0x9205) ppoll(&(0x7f0000000040)=[{r1, 0x1}], 0x1, &(0x7f0000000140), 0x0, 0x0) [ 1561.375875][ T5595] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:17 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x1f, 0x5, 0x9, [], 0x8}, {0xea, 0xff, 0x20, [], 0x1}, {0x0, 0x8, 0x0, [], 0x1}, {0x0, 0x0, 0x8, [], 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:17 executing program 5: openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x802, 0x0) ioctl$GIO_CMAP(0xffffffffffffffff, 0x4b70, &(0x7f0000000040)) clock_gettime(0x0, &(0x7f0000000000)) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r2 = socket$inet_mptcp(0x2, 0x1, 0x106) ppoll(&(0x7f0000000400)=[{r1, 0x620}, {r0, 0x1000}, {r2, 0x123}, {r0, 0xc022}], 0x4, &(0x7f0000000140)={0x77359400}, 0x0, 0x0) 00:16:17 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x1f, 0x5, 0x9, [], 0x8}, {0xea, 0xff, 0x20, [], 0x1}, {0x0, 0x8, 0x0, [], 0x1}, {0x0, 0x0, 0x0, [], 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1561.748212][ T5600] batman_adv: batadv0: Adding interface: vlan1316 00:16:17 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0, 0x1}], 0x1, &(0x7f0000000140), 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f00000002c0)) fcntl$setown(r1, 0x8, r2) [ 1561.782649][ T5600] batman_adv: batadv0: The MTU of interface vlan1316 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1561.950822][ T5600] batman_adv: batadv0: Not using interface vlan1316 (retrying later): interface not active 00:16:18 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x1f, 0x5, 0x9, [], 0x8}, {0xea, 0xff, 0x20, [], 0x1}, {0x0, 0x8, 0x0, [], 0x1}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:18 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0af}], 0x2}}], 0x1, 0x0) 00:16:18 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x19b, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1562.021455][ T5595] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:18 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x7e1d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1562.235337][ T5644] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:18 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0b0}], 0x2}}], 0x1, 0x0) 00:16:18 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x1f, 0x5, 0x9, [], 0x8}, {0xea, 0xff, 0x20, [], 0x1}, {0x0, 0x0, 0x0, [], 0x1}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1562.563756][ T5648] batman_adv: batadv0: Adding interface: vlan1317 00:16:18 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x1f, 0x5, 0x9, [], 0x8}, {0xea, 0xff, 0x20, [], 0x1}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1562.605605][ T5648] batman_adv: batadv0: The MTU of interface vlan1317 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1562.741250][ T5648] batman_adv: batadv0: Not using interface vlan1317 (retrying later): interface not active [ 1562.801646][ T5644] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:18 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x1f, 0x5, 0x9, [], 0x8}, {0x0, 0xff, 0x20, [], 0x1}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:18 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0b0}], 0x2}}], 0x1, 0x0) 00:16:18 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x7f1d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:18 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x19c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1563.007267][ T5685] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1563.344524][ T5690] batman_adv: batadv0: Adding interface: vlan1318 [ 1563.371461][ T5690] batman_adv: batadv0: The MTU of interface vlan1318 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1563.460729][ T5690] batman_adv: batadv0: Not using interface vlan1318 (retrying later): interface not active [ 1563.506823][ T5685] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:20 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0b1}], 0x2}}], 0x1, 0x0) 00:16:20 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x1f, 0x5, 0x9, [], 0x8}, {0x0, 0x0, 0x20, [], 0x1}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:20 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x801d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:20 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x19d, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:20 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0b1}], 0x2}}], 0x1, 0x0) 00:16:20 executing program 5: semget$private(0x0, 0x1, 0x290) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) fsetxattr$trusted_overlay_nlink(r1, &(0x7f00000001c0)='trusted.overlay.nlink\x00', &(0x7f0000000200)={'L+', 0x4}, 0x16, 0x2) vmsplice(r0, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000040)={0x6, 0x2a, "6a293901ec7e089079cd57c7899d9fe8a050df9d8446703ba24d20d36c2b18b659646b580439dd222b9e"}) r2 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r2}], 0x1, &(0x7f0000000140), 0x0, 0x0) [ 1564.436532][ T5709] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:20 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x1f, 0x5, 0x9, [], 0x8}, {0x0, 0x0, 0x0, [], 0x1}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:20 executing program 5: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000240)=@ipv4_newaddr={0x20, 0x14, 0x121, 0x0, 0x0, {}, [@IFA_LOCAL={0x8, 0x2, @multicast2}]}, 0x20}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=@ipv4_deladdr={0x18, 0x15, 0x1}, 0x18}}, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(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$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xa) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000280)=ANY=[@ANYBLOB="4800000010000507000000000000000000000002", @ANYRES32=r4, @ANYBLOB="0000400000000002280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="2000000014002101008000000000000002000000", @ANYRES32=r4, @ANYBLOB="08000200ac"], 0x20}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000240)=@ipv4_newaddr={0x20, 0x14, 0x121, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, r4}, [@IFA_LOCAL={0x8, 0x2, @multicast2}]}, 0x20}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x7, &(0x7f00000000c0)={&(0x7f0000000080)=@ipv4_deladdr={0xfffffd3e, 0x15, 0x1, 0x8000000, 0x2, {0x2, 0x0, 0x0, 0x0, r4}}, 0x18}, 0x1, 0x0, 0x0, 0x4004040}, 0x0) sendmsg$BATADV_CMD_GET_ORIGINATORS(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x64, 0x0, 0x4, 0x70bd2c, 0x25dfdbfd, {}, [@BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x7fffffff}, @BATADV_ATTR_MESH_IFINDEX={0x8}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x7}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}, @BATADV_ATTR_MESH_IFINDEX={0x8}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x3}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r4}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x3}]}, 0x64}, 0x1, 0x0, 0x0, 0x4000000}, 0xeb54bc901ab00660) r5 = mq_open(&(0x7f0000000280)='\'sel\x88\x8d\x92i_C^\xe4\xc5\x05\b\xac\x8b\xca\xdaJ\xe8\x87\xcfct!e\f_', 0x6e93ebbbcc0884f1, 0x0, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) getpeername$qrtr(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000040)=0x25) mq_timedreceive(r5, 0x0, 0x0, 0x0, 0x0) fcntl$setlease(0xffffffffffffffff, 0x400, 0x2) ppoll(&(0x7f0000000100)=[{}], 0x1, &(0x7f0000000140), 0x0, 0x0) 00:16:20 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x1f, 0x5, 0x9, [], 0x8}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1564.866345][ T5718] batman_adv: batadv0: Adding interface: vlan1319 [ 1564.909289][ T5718] batman_adv: batadv0: The MTU of interface vlan1319 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1565.056849][ T5718] batman_adv: batadv0: Not using interface vlan1319 (retrying later): interface not active 00:16:21 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x0, 0x5, 0x9, [], 0x8}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1565.128669][ T5737] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 00:16:21 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0b2}], 0x2}}], 0x1, 0x0) 00:16:21 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x19e, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1565.271561][ T5709] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:21 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x81000000}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:21 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x0, 0x0, 0x9, [], 0x8}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1565.719885][ T5771] batman_adv: batadv0: Adding interface: vlan1320 00:16:21 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}, {0x0, 0x0, 0x0, [], 0x8}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1565.765169][ T5771] batman_adv: batadv0: The MTU of interface vlan1320 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1565.915798][ T5771] batman_adv: batadv0: Not using interface vlan1320 (retrying later): interface not active 00:16:22 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x9, 0x0, 0x4, [], 0x22}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:22 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0b2}], 0x2}}], 0x1, 0x0) 00:16:22 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x811d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1566.182111][ T5802] __nla_validate_parse: 3 callbacks suppressed [ 1566.182120][ T5802] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:22 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x19f, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:22 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0b3}], 0x2}}], 0x1, 0x0) 00:16:22 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x0, 0x0, 0x4, [], 0x22}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1566.464173][ T5808] batman_adv: batadv0: Adding interface: vlan1321 [ 1566.509839][ T5808] batman_adv: batadv0: The MTU of interface vlan1321 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:22 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}, {0x0, 0x0, 0x0, [], 0x22}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1566.672167][ T5808] batman_adv: batadv0: Not using interface vlan1321 (retrying later): interface not active [ 1566.766349][ T5802] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:22 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x1f, 0x92, 0x3b}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:22 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x821d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1566.971479][ T5845] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:23 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x0, 0x92, 0x3b}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:23 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0b4}], 0x2}}], 0x1, 0x0) [ 1567.219931][ T5848] batman_adv: batadv0: Adding interface: vlan1322 00:16:23 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1a0, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1567.255971][ T5848] batman_adv: batadv0: The MTU of interface vlan1322 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:23 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x0, 0x92, 0x3b}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1567.436801][ T5848] batman_adv: batadv0: Not using interface vlan1322 (retrying later): interface not active [ 1567.494771][ T5845] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:23 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0b3}], 0x2}}], 0x1, 0x0) 00:16:23 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x831d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:23 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}, {0x0, 0x0, 0x3b}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1567.795893][ T5882] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:24 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x7, 0x32, 0x6, [], 0x9b}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1568.139937][ T5889] batman_adv: batadv0: Adding interface: vlan1323 00:16:24 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1a1, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:24 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0b5}], 0x2}}], 0x1, 0x0) 00:16:24 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x0, 0x32, 0x6, [], 0x9b}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1568.187987][ T5889] batman_adv: batadv0: The MTU of interface vlan1323 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1568.369356][ T5889] batman_adv: batadv0: Not using interface vlan1323 (retrying later): interface not active [ 1568.456926][ T5882] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:24 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x0, 0x0, 0x6, [], 0x9b}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:24 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x841d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:24 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0b4}], 0x2}}], 0x1, 0x0) [ 1568.715077][ T5930] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:24 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}, {0x0, 0x0, 0x0, [], 0x9b}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1569.005624][ T5934] batman_adv: batadv0: Adding interface: vlan1324 [ 1569.041712][ T5934] batman_adv: batadv0: The MTU of interface vlan1324 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:25 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0xde, 0x5, 0x9, [], 0x1}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:25 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1a2, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:25 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0b6}], 0x2}}], 0x1, 0x0) [ 1569.218973][ T5934] batman_adv: batadv0: Not using interface vlan1324 (retrying later): interface not active 00:16:25 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) ioctl$FITRIM(r0, 0xc0185879, &(0x7f0000000000)={0x800000000000000, 0x9, 0xffe000000000000}) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={'syzkaller1\x00', 0x420000015301}) r2 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000000080)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) ioctl$TUNSETGROUP(r1, 0x400454d0, r3) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) statx(r5, &(0x7f0000000040)='./file0\x00', 0x2000, 0x800, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$DRM_IOCTL_GET_CTX(0xffffffffffffffff, 0xc0086423, &(0x7f0000000440)={0x0, 0x1}) ioctl$DRM_IOCTL_NEW_CTX(r4, 0x40086425, &(0x7f0000000340)={0x0, 0x2}) r7 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r7, 0x400454ca, &(0x7f0000000040)={'syzkaller1\x00', 0x420000015301}) r8 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r8, 0x1, 0x11, &(0x7f0000000080)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) ioctl$TUNSETGROUP(r7, 0x400454d0, r9) stat(&(0x7f0000000080)='./file0\x00', &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setgroups(0x4, &(0x7f0000000300)=[r3, r6, r9, r10]) [ 1569.281144][ T5930] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:25 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0x0, 0x5, 0x9, [], 0x1}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:25 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x851d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1569.516602][ T5978] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:25 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0b5}], 0x2}}], 0x1, 0x0) 00:16:25 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0x0, 0x0, 0x9, [], 0x1}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1569.902323][ T5984] batman_adv: batadv0: Adding interface: vlan1325 00:16:26 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0x0, 0x0, 0x0, [], 0x1}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1569.938110][ T5984] batman_adv: batadv0: The MTU of interface vlan1325 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1570.069371][ T5984] batman_adv: batadv0: Not using interface vlan1325 (retrying later): interface not active 00:16:26 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1a3, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:26 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:26 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0b7}], 0x2}}], 0x1, 0x0) [ 1570.216067][ T5984] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:26 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x0, 0x81, 0x4c}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:26 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0, 0x10}], 0x1, &(0x7f0000000140), 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r2 = bpf$LINK_GET_FD_BY_ID(0x1e, &(0x7f00000001c0)=0xffffffffffffffff, 0x4) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r4 = accept(r3, &(0x7f0000000200)=@caif=@dgm, &(0x7f0000000280)=0x80) poll(&(0x7f00000002c0)=[{r0, 0x80}, {r0, 0x9000}, {r0, 0x200}, {r1, 0x424}, {r0, 0x8000}, {r2, 0x4000}, {r4, 0x8000}], 0x7, 0x5) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r6, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r7 = dup2(r2, r5) sendmsg$rds(r7, &(0x7f0000002340)={&(0x7f0000000300)={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x3f}}, 0x10, &(0x7f00000009c0)=[{&(0x7f0000000340)=""/163, 0xa3}, {&(0x7f0000000400)=""/226, 0xe2}, {&(0x7f0000000500)=""/132, 0x84}, {&(0x7f00000005c0)=""/241, 0xf1}, {&(0x7f00000006c0)=""/6, 0x6}, {&(0x7f0000000700)=""/252, 0xfc}, {&(0x7f0000000800)=""/156, 0x9c}, {&(0x7f00000008c0)=""/230, 0xe6}], 0x8, &(0x7f0000002100)=[@rdma_dest={0x18, 0x114, 0x2, {0x6, 0xb454}}, @fadd={0x58, 0x114, 0x6, {{0x6, 0xb6c166d}, &(0x7f0000000a40)=0x80000000, &(0x7f0000000a80)=0x800, 0x3, 0x4, 0x7, 0x9c4d, 0x0, 0x2}}, @mask_cswp={0x58, 0x114, 0x9, {{0x80000000, 0x80000001}, &(0x7f0000000ac0)=0x26f, &(0x7f0000000b00)=0x9, 0x2, 0xbd9, 0x5, 0x6, 0xa, 0x7}}, @rdma_dest={0x18, 0x114, 0x2, {0x7cbf, 0x80000000}}, @rdma_map={0x30, 0x114, 0x3, {{&(0x7f0000000b40)=""/155, 0x9b}, &(0x7f0000000c00)}}, @mask_fadd={0x58, 0x114, 0x8, {{0x0, 0x5}, &(0x7f0000000c40)=0x668, &(0x7f0000000c80)=0x5, 0x4, 0x8, 0xfffffffffffffffb, 0x4, 0x20, 0x100000000}}, @rdma_args={0x48, 0x114, 0x1, {{0x3ff, 0x5}, {&(0x7f0000000cc0)=""/87, 0x57}, &(0x7f0000002000)=[{&(0x7f0000000d40)=""/245, 0xf5}, {&(0x7f0000000e40)=""/55, 0x37}, {&(0x7f0000000e80)=""/4096, 0x1000}, {&(0x7f0000001e80)=""/225, 0xe1}, {&(0x7f0000001f80)=""/128, 0x80}], 0x5, 0x8, 0x5}}, @rdma_dest={0x18, 0x114, 0x2, {0x101, 0x3}}, @mask_cswp={0x58, 0x114, 0x9, {{0xdf, 0x7}, &(0x7f0000002080), &(0x7f00000020c0)=0xb8, 0x100000000, 0x6, 0x0, 0x6, 0x78, 0xfffffffffffeffff}}], 0x220, 0x40814}, 0x400c000) setsockopt$IP_VS_SO_SET_DELDEST(r6, 0x0, 0x488, &(0x7f0000000000)={{0xff, @local, 0x4e24, 0x1, 'sh\x00', 0x21, 0x4, 0x5}, {@loopback, 0x4e21, 0x0, 0x1, 0x0, 0x100}}, 0x44) 00:16:26 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x861d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:26 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0b6}], 0x2}}], 0x1, 0x0) 00:16:26 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x0, 0x0, 0x4c}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:26 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) r1 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x7, 0x200000) ioctl$VIDIOC_S_FBUF(r1, 0x4030560b, &(0x7f0000000040)={0x9, 0x0, &(0x7f0000000180)="5849cbcb4e9eb2ffab515d5dd0e75f52acdd9018fc59a72dddb8827272caaa6c41114b03a068c44e62cb6865d2b1b7f10ecd103148e55aa7e7ada8c3ea29aae633d0729eb3d3699778fb0658ead93999fb7de23dc1af72c1494ab5701273d05c3e5d525733a2aa7c11305106686bd04b7f9100b8e2a9792f8543d8d70876f08905fe9cbcd8f0680a0e0d6c38fe277581a0a832c47dfc984323b7a366678c821fa6399f3fc9f3f6ee9d335bb28fb19c54400795", {0x4, 0x3, 0x2b4e2c27, 0x0, 0x4, 0x2, 0x6, 0x7cda546f}}) socket$nl_generic(0x10, 0x3, 0x10) [ 1570.936632][ T6057] batman_adv: batadv0: Adding interface: vlan1326 [ 1570.980207][ T6057] batman_adv: batadv0: The MTU of interface vlan1326 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:27 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:27 executing program 5: openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) clock_gettime(0x0, &(0x7f0000000000)) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f0000000440)={'syz'}, &(0x7f00000000c0), 0x14b, 0xfffffffffffffffd) r2 = add_key(&(0x7f0000000200)='user\x00', &(0x7f0000000240)={'syz', 0x0}, &(0x7f00000002c0)='4', 0xba, 0xfffffffffffffffe) keyctl$dh_compute(0x17, &(0x7f0000000100)={r2, r1, r2}, 0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={'vmac64(aes)\x00'}}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) write$ppp(r3, &(0x7f0000000300)="33123dd54b8509f6be16f48a0f36894d87a7451ec89cb2ce589c29916dded0cc72f74644c30983a77b919dd113bc9dff4660d8baf2c5eef4cd79a48be1bcc7d51c3d2c7e37ae29613bc32042c5fe6c19b2ee0c532c7fda4677a88705a0ef65132d28414fccaa381d802c119d961e975cd1717d1f992eaafad958ab36acf51e9fd8234040d1410e948dc4975186bc1ae399ad90449d3771204979c9fd6f929c54d75c1dcf996b28e0611861bdb6613530f05ca82d310882ebf99800a6dd414df9b9ffc1831e38d7c8df9baceb0f0b86a19341e196bc85105de2ca", 0xda) keyctl$set_timeout(0xf, r2, 0x0) request_key(&(0x7f0000000040)='dns_resolver\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)='/dev/uhid\x00', r2) vmsplice(r0, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r6, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ppoll(&(0x7f0000000100)=[{r0, 0x3082}, {r4, 0x1}, {r4, 0x300a}, {r5, 0xc268}, {r6, 0x801a}], 0x5, &(0x7f0000000140), 0x0, 0x0) 00:16:27 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1a4, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1571.169349][ T6057] batman_adv: batadv0: Not using interface vlan1326 (retrying later): interface not active 00:16:27 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x0, 0x8, 0x20, [], 0x3f}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1571.274180][ T6052] __nla_validate_parse: 1 callbacks suppressed [ 1571.274188][ T6052] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:27 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x871d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1571.568287][ T6107] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1571.795836][ T6108] batman_adv: batadv0: Adding interface: vlan1327 [ 1571.824610][ T6108] batman_adv: batadv0: The MTU of interface vlan1327 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:27 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0b8}], 0x2}}], 0x1, 0x0) 00:16:27 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x0, 0x0, 0x20, [], 0x3f}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:27 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0b7}], 0x2}}], 0x1, 0x0) [ 1571.933315][ T6108] batman_adv: batadv0: Not using interface vlan1327 (retrying later): interface not active [ 1572.007258][ T6107] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:28 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x0, 0x0, 0x0, [], 0x3f}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:28 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1a5, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:28 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x881d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:28 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) getsockname$l2tp6(r1, &(0x7f0000000000)={0xa, 0x0, 0x0, @private0}, &(0x7f0000000040)=0x20) r2 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f0000000440)={'syz'}, &(0x7f00000000c0), 0x14b, 0xfffffffffffffffd) r3 = add_key(&(0x7f0000000200)='user\x00', &(0x7f0000000240)={'syz', 0x0}, &(0x7f00000002c0)='4', 0xba, 0xfffffffffffffffe) keyctl$dh_compute(0x17, &(0x7f0000000100)={r3, r2, r3}, 0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={'vmac64(aes)\x00'}}) keyctl$instantiate(0xc, r2, &(0x7f00000001c0)=@encrypted_load={'load ', 'ecryptfs', 0x20, 'trusted:', '/dev/uhid\x00', 0x20, 0x9, 0x20, [0x37, 0x63, 0x35, 0x35]}, 0x3b, 0xffffffffffffffff) [ 1572.300614][ T6139] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:28 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:28 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x0, 0x4, 0x3f, [], 0x6}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1572.681289][ T6142] batman_adv: batadv0: Adding interface: vlan1328 [ 1572.728369][ T6142] batman_adv: batadv0: The MTU of interface vlan1328 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:28 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0b9}], 0x2}}], 0x1, 0x0) [ 1572.857632][ T6142] batman_adv: batadv0: Not using interface vlan1328 (retrying later): interface not active [ 1572.945280][ T6139] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:29 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x0, 0x0, 0x3f, [], 0x6}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:29 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x88400000}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:29 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1a6, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1573.197583][ T6181] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:29 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x0, 0x0, 0x0, [], 0x6}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:29 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0b8}], 0x2}}], 0x1, 0x0) 00:16:29 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1573.612799][ T6186] batman_adv: batadv0: Adding interface: vlan1329 [ 1573.650901][ T6186] batman_adv: batadv0: The MTU of interface vlan1329 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:29 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f00000002c0)) r3 = syz_open_procfs(r2, &(0x7f0000000000)='smaps\x00') bind$inet6(r3, &(0x7f0000000040)={0xa, 0x4e24, 0x1000, @local, 0x8}, 0x1c) ioctl$UI_SET_FFBIT(r1, 0x4004556b, 0x5c) r4 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_MCAST_MSFILTER(r4, 0x0, 0x30, &(0x7f0000000780)=ANY=[@ANYBLOB="ff0100000000000002004e21e0000002000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000a00000002004e22e000000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002004e216401010100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002004e20640101000000000000000000000000000000000000000000000000006cb7aed0fb9a941ec23b1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002004e21ac14140e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002004e217f00000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002004e200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002134e23e000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002004e22ac1414aa00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002004e23ac1414bb00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002004e236401010200"/1435], 0x590) 00:16:29 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x0, 0xfd, 0x7, [], 0x16}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:29 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ba}], 0x2}}], 0x1, 0x0) [ 1573.853105][ T6186] batman_adv: batadv0: Not using interface vlan1329 (retrying later): interface not active [ 1573.912873][ T6181] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:30 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x88a8ffff}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:30 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1a7, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:30 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x0, 0x0, 0x7, [], 0x16}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1574.095958][ T6229] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:30 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0b9}], 0x2}}], 0x1, 0x0) [ 1574.358398][ T6231] device vlan1330 entered promiscuous mode 00:16:30 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x0, 0x0, 0x7, [], 0x16}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1574.486486][ T6229] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1574.571486][ T6231] device vlan1330 entered promiscuous mode 00:16:30 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x0, 0x0, 0x7, [], 0x16}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:30 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x891d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:30 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0bb}], 0x2}}], 0x1, 0x0) 00:16:30 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x0, 0xfd, 0x0, [], 0x16}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1574.891327][ T6277] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1575.250976][ T6280] batman_adv: batadv0: Adding interface: vlan1330 00:16:31 executing program 5: ppoll(&(0x7f0000000040)=[{}], 0x1, &(0x7f0000000140), 0x0, 0x0) 00:16:31 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1a8, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:31 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1575.280586][ T6280] batman_adv: batadv0: The MTU of interface vlan1330 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1575.406493][ T6280] batman_adv: batadv0: Not using interface vlan1330 (retrying later): interface not active 00:16:31 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$F2FS_IOC_START_ATOMIC_WRITE(r1, 0xf501, 0x0) dup2(r4, r3) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r6, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r7, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) getsockopt$inet6_int(r7, 0x6, 0xd1, &(0x7f0000b67000), &(0x7f0000000100)=0x17) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r8, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r9 = dup(r8) ioctl$EVIOCSKEYCODE_V2(r9, 0x40284504, &(0x7f0000000000)={0x12, 0xd, 0x3ff, 0x2, "d48660a7474566b7d21f096fcf3b1b4b3d8db53cfa21e7121936d9ad55df1f2b"}) 00:16:31 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x0, 0x3, 0x7e, [], 0x9c}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:31 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x8a1d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:31 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ba}], 0x2}}], 0x1, 0x0) 00:16:31 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000040)='/dev/uhid\x00', 0x2, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) 00:16:31 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0bc}], 0x2}}], 0x1, 0x0) 00:16:31 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x0, 0x0, 0x7e, [], 0x9c}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1575.945602][ T6322] batman_adv: batadv0: Adding interface: vlan1331 [ 1575.985644][ T6322] batman_adv: batadv0: The MTU of interface vlan1331 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:32 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) io_uring_enter(r3, 0x3, 0x9, 0x1, &(0x7f0000001840)={[0x3ff]}, 0x8) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) mmap$snddsp_status(&(0x7f0000ff9000/0x4000)=nil, 0x1000, 0x2000000, 0x10, r5, 0x82000000) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$TIOCPKT(r2, 0x5420, &(0x7f0000001800)=0x8) vmsplice(r1, &(0x7f0000001740)=[{&(0x7f0000000000)="970996ac983b7e0cdabad3affc4d43fc2698fdfc1441ae92e70af609330d7fca848738e64e3a6398b766eac9aa56daca88593821a36ffb43ce8b15b0e83583f5b7075637f570de9273479b40ae1b43ad0b61dda6696d", 0x56}, {&(0x7f00000012c0)="91a25325b899273f65b30a67f60e9e781e997984422ceb7dfbedd81638209efcf880c9d9e68267048c73926c24e5af7dc9eed4013aae0703e0b372574e1c9c2b1ddc21d8ad110114227e96e0866dbb7f3f9645064139b44e7c79d5036b9417f696ab507333c4b982d7bc04ec40a31329594c395840fc496116f6e2959ca6eb2d7102cffaabadad5f85e0", 0x8a}, {&(0x7f0000001380)="02c2b6e962128e0b58b1488fab47a11d8d81d2d05d0793c1a86d4e596a55f2a2c3f2ba5f42075ca3dcbfb44bce8250d5c96e8e38a08fd8c482b18f96fd5a213b26d02a030333db02082511c80d243cbbbf2789b5fee2eb062b0739b4ffcb90f853bf493de895ec5affd3c0ae4286a2b29ece74508dc77c4b26dc738ee5f5bd340a90972342e54d52683226c519b4f66b5d5887315431a8a386c8e93903fe11c28aae6f19a48127d6820acfcf92", 0xad}, {&(0x7f0000001440)="598a40f201c1e53434860d0585b8e550cc76b6dca0fc8ec2a9042e229e9f327e15d5abd248401c156c5fb5c13abafd005d23fed2b085f80278b9423274b4d603fa2a0ddb85e77bee496274395ede543c499d2579", 0x54}, {&(0x7f0000001180)="51f2c21b2830e6af201162fbb5f0f78e0024247863d066833668", 0x1a}, {&(0x7f00000014c0)="5603b50cd64532efe7e23dd98c9531db40fe89aa61eb1fc46ace91a6412441ba33a5664dc2e4a270ac9421df84fd1f3690135f1a2a9be1991bc9e690db0e265292d1500efe50669617634ac5aec01a49008443afb196dc575adbc120bf788947008a14c0474c74708afa376bc6f19b8d2d76f2cd1decb95eac67ef590314bf72faff88826e0f21215aa66e0c06583a84ca8db7aacc3a12250788dbe2e7cc", 0x9e}, {&(0x7f0000001580)="b0dd28e23fe8ebabee258b5d56085930c5b527eae869e12c0596401c8ef3444ccd834900e95ba29a51f31d9f5a1c7f9b8a6c7a", 0x33}, {&(0x7f00000015c0)="b5c4e0d8bbb378f3fcaf862129f54c4327abb62d71d874ba019b27762b5307e599be116c1cdb91a292fbf738c7b472a1f238d4d2174e5fcd0befc93679c6591deff4d422e0", 0x45}, {&(0x7f0000001640)="7e15993f86f3c30116a7ff6a37916e9644892e5014fa216a82de174224a13ae781481f1fb7cc732b8de1bde77411addf83592593f97c4daad1eb0a060db768205d515c27206e65e2abd9abb08b8e4eb02ad7d84f9671d6e272caac355e3cf1f59ec00878fbf22fb4c783e822af818dcabe55e605b38aa7c320edeb9fc1cb4f96221ab6e8b67e8de855aca93a79b15c1d5fa2affb030455cdcee06922301cf47a4a3e7e181d5a10ae83962271f399a4bf4876f4700911e9235ea1ab147ecb0e73c000c261ef85394cd720c7353245f46bf5bd94bb56b00352c9e09006f9e88f515afd29ea202f81298439f08f81f187", 0xef}], 0x9, 0x0) sendto$inet6(r1, &(0x7f0000000180)="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", 0x1000, 0x0, 0x0, 0x0) openat$zero(0xffffffffffffff9c, &(0x7f00000011c0)='/dev/zero\x00', 0x303000, 0x0) write$binfmt_script(r4, &(0x7f00000018c0)={'#! ', './file0', [{0x20, '.!'}, {0x20, '/dev/zero\x00'}, {0x20, '+Z-@'}, {0x20, '/dev/uhid\x00'}, {0x20, '/dev/zero\x00'}, {0x20, ')'}], 0xa, "836f2cebc880bc15496d59a61ef714e3d07390446338d451b2a77ea0b3e12e0f298fac597ccfb3b9c5c92b6a04a2686b9958caad098b80d860775550b5a54d48e57dbd702c61ae1e87a2f80d2d029e3defddbd7d90982dcf5e4fb5326fc2203baf7ef3afdbf1164f1e12f338a1d99ca7cbedd6ac5c998574e7a58bcaefad0f641303f9aa2202d465820ac10e2e81dc8eeef4abc43642073db7b25c2c4f31728ed36aadad737726fe726a748a6030e10bcb727df4d8dd36abfc1c0a0c966aab8d80d6df686bf585a957d92d53abe7b40119595348bc63cc94d86a3e1facdf"}, 0x114) getpeername(r1, &(0x7f0000001200)=@ll={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, &(0x7f0000001880)=0xfffffffffffffdfa) 00:16:32 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x0, 0x0, 0x0, [], 0x9c}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:32 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1a9, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1576.171135][ T6322] batman_adv: batadv0: Not using interface vlan1331 (retrying later): interface not active 00:16:32 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$MON_IOCX_GET(r1, 0x40189206, &(0x7f0000000240)={&(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @iso}, &(0x7f00000001c0)=""/65, 0x41}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$sock_SIOCGIFVLAN_GET_VLAN_VID_CMD(r2, 0x8982, &(0x7f0000000000)) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) 00:16:32 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x8b1d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:32 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1576.431637][ T6364] __nla_validate_parse: 3 callbacks suppressed [ 1576.431646][ T6364] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:32 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) r1 = syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0x1, 0x36000) ioctl$KDGKBENT(r1, 0x4b46, &(0x7f0000000040)={0x40, 0xc1, 0xfb2b}) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) 00:16:32 executing program 5: openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ttyS3\x00', 0x88000, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000140)="011659cf5033b8e99cda5035", 0xc}], 0x1, 0x0) ppoll(&(0x7f0000000100)=[{r0, 0x8000}], 0x1, &(0x7f00000001c0), 0x0, 0x0) clock_gettime(0x0, &(0x7f0000000000)={0x0, 0x0}) listen(0xffffffffffffffff, 0x3) r5 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000200)='/dev/hwrng\x00', 0x400100, 0x0) ioctl$USBDEVFS_REAPURBNDELAY(r5, 0x4008550d, &(0x7f0000000240)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT(0xffffffffffffffff, 0x28, 0x6, &(0x7f0000000040)={r3, r4/1000+10000}, 0x10) [ 1576.826385][ T6365] batman_adv: batadv0: Adding interface: vlan1332 00:16:32 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0bb}], 0x2}}], 0x1, 0x0) 00:16:32 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0x0, 0x7f, 0xf8, [], 0x1}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1576.859612][ T6365] batman_adv: batadv0: The MTU of interface vlan1332 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:32 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0bd}], 0x2}}], 0x1, 0x0) [ 1576.972906][ T6365] batman_adv: batadv0: Not using interface vlan1332 (retrying later): interface not active 00:16:33 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0x0, 0x0, 0xf8, [], 0x1}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1577.074594][ T6365] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:33 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x8c1d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1577.299988][ T6412] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:33 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0x0, 0x0, 0x0, [], 0x1}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1577.598307][ T6414] batman_adv: batadv0: Adding interface: vlan1333 [ 1577.656413][ T6414] batman_adv: batadv0: The MTU of interface vlan1333 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:33 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1aa, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:33 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1577.755196][ T6414] batman_adv: batadv0: Not using interface vlan1333 (retrying later): interface not active [ 1577.819234][ T6412] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:34 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x8d1d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:34 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x0, 0x6, 0x20, [], 0x1}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1578.038862][ T6444] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:34 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x0, 0x0, 0x20, [], 0x1}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1578.412916][ T6446] batman_adv: batadv0: Adding interface: vlan1334 [ 1578.448454][ T6446] batman_adv: batadv0: The MTU of interface vlan1334 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1578.552935][ T6446] batman_adv: batadv0: Not using interface vlan1334 (retrying later): interface not active [ 1578.587156][ T6444] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:35 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$VIDIOC_S_AUDIO(r1, 0x40345622, &(0x7f0000000000)={0x0, "1d6e41745e768364548a2bc85fdacc8954eb9fe79f72e6fd50fbfaea96d308ab", 0x2, 0x1}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$USBDEVFS_DISCONNECT_CLAIM(r3, 0x8108551b, &(0x7f0000000180)={0x2, 0x3, "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"}) 00:16:35 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0bc}], 0x2}}], 0x1, 0x0) 00:16:35 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0be}], 0x2}}], 0x1, 0x0) 00:16:35 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x0, 0x0, 0x0, [], 0x1}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:35 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1ab, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:35 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x8e1d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1579.815694][ T6480] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:36 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(r1, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x18, 0x140e, 0x8, 0x70bd27, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8}]}, 0x18}, 0x1, 0x0, 0x0, 0x8001}, 0x4000000) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) getgid() ioctl$ASHMEM_GET_NAME(r3, 0x81007702, &(0x7f0000000480)=""/149) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f00000001c0)="776f82b02412b4ed3ff33dc9cafd86025ef939d9cdcd9c978f2bffa73dea3876a1bbdc261d9cc23758982191e884ea18a0e10c5e50e81910ad5f3f20f628430249eb9a6f0c4062475a1bf1632c88a8dab18076000b23c974157e3483b341eff33236a6e3217a2a1563397e8a1fe36bee1c0e87f19554216c2a0c21b0eae2613fa5c3", 0x82}], 0x1, 0x0) ioctl$SG_GET_SCSI_ID(r2, 0x2276, &(0x7f0000000000)) sendmsg$NL80211_CMD_TRIGGER_SCAN(r2, &(0x7f0000000340)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f0000000280)={0x98, 0x0, 0x1, 0x70bd29, 0x25dfdbfb, {}, [@NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY={0x4}, @NL80211_ATTR_SCHED_SCAN_MATCH={0x6c, 0x84, 0x0, 0x1, [@NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI={0x14, 0x6, 0x0, 0x1, [@NL80211_BAND_5GHZ={0x8, 0x1, 0x1000}, @NL80211_BAND_6GHZ={0x8, 0x3, 0x3ff}]}, @NL80211_SCHED_SCAN_MATCH_ATTR_BSSID={0xa, 0x5, @remote}, @NL80211_SCHED_SCAN_MATCH_ATTR_BSSID={0xa}, @NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI={0x14, 0x6, 0x0, 0x1, [@NL80211_BAND_6GHZ={0x8, 0x3, 0x401}, @NL80211_BAND_2GHZ={0x8, 0x0, 0x3}]}, @NL80211_SCHED_SCAN_MATCH_ATTR_BSSID={0xa, 0x5, @broadcast}, @NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI={0x1c, 0x6, 0x0, 0x1, [@NL80211_BAND_6GHZ={0x8}, @NL80211_BAND_60GHZ={0x8, 0x2, 0x8}, @NL80211_BAND_6GHZ={0x8, 0x3, 0xfc00000}]}]}, @NL80211_ATTR_SCHED_SCAN_INTERVAL={0x8, 0x77, 0x39}, @NL80211_ATTR_MAC={0xa, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}]}, 0x98}, 0x1, 0x0, 0x0, 0x4}, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$TUNGETSNDBUF(r4, 0x800454d3, &(0x7f0000000540)) 00:16:36 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1580.201144][ T6487] batman_adv: batadv0: Adding interface: vlan1335 00:16:36 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) setxattr$security_capability(&(0x7f0000000300)='./file0\x00', &(0x7f0000000340)='security.capability\x00', &(0x7f0000000380)=@v2={0x2000000, [{0x0, 0x9}, {0x890b, 0x20}]}, 0x14, 0x1) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xa) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000280)=ANY=[@ANYBLOB="4800000010000507000000000000000000000002", @ANYRES32=r6, @ANYBLOB="0000400000000002280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="2000000014002101008000000000000002000000", @ANYRES32=r6, @ANYBLOB="08000200ac"], 0x20}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000240)=@ipv4_newaddr={0x20, 0x14, 0x121, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, r6}, [@IFA_LOCAL={0x8, 0x2, @multicast2}]}, 0x20}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=@ipv4_deladdr={0x18, 0x15, 0x1, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, r6}}, 0x18}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f0000000080)={'syztnl2\x00', &(0x7f0000000000)={'ip6tnl0\x00', r6, 0x29, 0x5, 0x80, 0xffffa469, 0x1, @private2, @ipv4={[], [], @loopback}, 0x700, 0x7, 0x9, 0x7}}) [ 1580.238704][ T6487] batman_adv: batadv0: The MTU of interface vlan1335 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:36 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x0, 0x5, 0x34, [], 0xc8}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1580.382824][ T6487] batman_adv: batadv0: Not using interface vlan1335 (retrying later): interface not active [ 1580.438369][ T6513] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1580.553047][ T6480] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:36 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1ac, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:36 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x8f1d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:36 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0bf}], 0x2}}], 0x1, 0x0) 00:16:36 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0bd}], 0x2}}], 0x1, 0x0) 00:16:36 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x0, 0x0, 0x34, [], 0xc8}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:37 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x0, 0x0, 0x0, [], 0xc8}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:37 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:37 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x0, 0x7f, 0x0, [], 0x1f}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:37 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1ad, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1581.588197][ T6537] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:37 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0be}], 0x2}}], 0x1, 0x0) [ 1581.796684][ T6540] batman_adv: batadv0: Adding interface: vlan1336 [ 1581.839427][ T6540] batman_adv: batadv0: The MTU of interface vlan1336 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1581.925562][ T6540] batman_adv: batadv0: Not using interface vlan1336 (retrying later): interface not active [ 1581.955236][ T6513] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1582.009191][ T6580] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:38 executing program 5: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r0, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) getsockopt$bt_BT_DEFER_SETUP(r0, 0x112, 0x7, &(0x7f0000000000)=0x1, &(0x7f0000000040)=0x4) r1 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000200)='/dev/ubi_ctrl\x00', 0x88900, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) setsockopt$inet6_int(r3, 0x29, 0xc8, &(0x7f00000001c0)=0xb, 0xffffffffffffffa0) syz_emit_ethernet(0x3e, &(0x7f0000000280)={@link_local={0x3}, @empty, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "bf6e11", 0x8, 0x3a, 0x0, @remote, @mcast2, {[], @echo_request}}}}}, 0x0) ppoll(&(0x7f0000000100)=[{r1}], 0x1, &(0x7f0000000140), 0x0, 0x0) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0xc, 0x50, 0xffffffffffffffff, 0xdbc3000) 00:16:38 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0c0}], 0x2}}], 0x1, 0x0) 00:16:38 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x0, 0x0, 0x0, [], 0x1f}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:38 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x901d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1582.186278][ T6613] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:38 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0bf}], 0x2}}], 0x1, 0x0) 00:16:38 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:38 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1ae, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:38 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000340)='/dev/uhid\x00', 0x802, 0x0) r1 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ubi_ctrl\x00', 0xc6043, 0x0) r2 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000080)='ethtool\x00') r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) r6 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r6, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xa) sendmsg$nl_route(r5, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000280)=ANY=[@ANYBLOB="4800000010000507000000000000000000000002", @ANYRES32=r7, @ANYBLOB="0000400000000002280012000c00010076657468"], 0x48}}, 0x0) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000300)='/proc/sys/net/ipv4/vs/sync_sock_size\x00', 0x2, 0x0) mmap$IORING_OFF_SQES(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x1000004, 0x4010, r8, 0x10000000) sendmsg$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="2000000014002101008000000000000002000000", @ANYRES32=r7, @ANYBLOB="08000200ac"], 0x20}}, 0x0) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000240)=@ipv4_newaddr={0x20, 0x14, 0x121, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, r7}, [@IFA_LOCAL={0x8, 0x2, @multicast2}]}, 0x20}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="180000004dcf2b00"/20, @ANYRES32=r7], 0x18}}, 0x0) sendmsg$ETHTOOL_MSG_FEATURES_GET(r1, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x4c, r2, 0x8, 0x70bd2a, 0x25dfdbfc, {}, [@HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_vlan\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}]}, 0x4c}}, 0x20000000) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) [ 1582.556587][ T6621] batman_adv: batadv0: Adding interface: vlan1337 00:16:38 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x0, 0xff, [], 0x4}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1582.600439][ T6621] batman_adv: batadv0: The MTU of interface vlan1337 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:38 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0c1}], 0x2}}], 0x1, 0x0) [ 1582.760428][ T6621] batman_adv: batadv0: Not using interface vlan1337 (retrying later): interface not active [ 1582.818676][ T6644] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 00:16:39 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x0, 0x0, [], 0x4}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1582.919559][ T6613] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1582.970199][ T6645] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 00:16:39 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x911d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:39 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0c0}], 0x2}}], 0x1, 0x0) [ 1583.172897][ T6677] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:39 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000200)={&(0x7f00000001c0)='./file0\x00', r1}, 0x10) fcntl$getownex(r1, 0x10, &(0x7f0000000000)) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$PPPIOCGDEBUG(r2, 0x80047441, &(0x7f0000000040)) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) setsockopt$inet_mreqsrc(r3, 0x0, 0x25, &(0x7f0000000240)={@loopback, @local, @empty}, 0xc) 00:16:39 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:39 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$USBDEVFS_GET_CAPABILITIES(r1, 0x8004551a, &(0x7f00000001c0)) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f0000000340)='/proc/capi/capi20ncci\x00', 0x200, 0x0) ioctl$DRM_IOCTL_AGP_RELEASE(r4, 0x6431) vmsplice(r3, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$SNDRV_PCM_IOCTL_INFO(r3, 0x81204101, &(0x7f0000000200)) 00:16:39 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x0, 0x2, 0x6, [], 0x78}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:39 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1af, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1583.595115][ T6681] batman_adv: batadv0: Adding interface: vlan1338 00:16:39 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140)={0x0, 0x3938700}, 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$batadv(&(0x7f0000000300)='batadv\x00') r4 = socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r4, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) sendmsg$BATADV_CMD_GET_MESH(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f00000001c0)={0x1c, r3, 0x27, 0x0, 0x0, {}, [@BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r5}]}, 0x1c}}, 0x0) sendmsg$BATADV_CMD_SET_MESH(r1, &(0x7f0000000580)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x28, r3, 0x10, 0x70bd28, 0x25dfdbfe, {}, [@BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @dev={[], 0x12}}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x44}, 0x20000010) pkey_alloc(0x0, 0x5) r6 = shmget(0x1, 0x3000, 0x80, &(0x7f0000ffd000/0x3000)=nil) shmctl$SHM_STAT_ANY(r6, 0xf, &(0x7f0000000000)=""/45) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000300)=[&(0x7f0000000080)='/dev/uhid\x00', &(0x7f0000000180)='@S.[\x00', &(0x7f00000001c0)='\x00', &(0x7f0000000200)='+\\-:#-,[]{\x00', &(0x7f0000000240)='/dev/uhid\x00', &(0x7f0000000340)='{-&/\x00', &(0x7f00000002c0)='/[^((}+\x00'], &(0x7f0000000480)) prctl$PR_SVE_GET_VL(0x33, 0x7f4b) [ 1583.649818][ T6681] batman_adv: batadv0: The MTU of interface vlan1338 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1583.756062][ T6681] batman_adv: batadv0: Not using interface vlan1338 (retrying later): interface not active [ 1583.808895][ T6681] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:39 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x0, 0x0, 0x6, [], 0x78}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:39 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0c1}], 0x2}}], 0x1, 0x0) 00:16:40 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0c2}], 0x2}}], 0x1, 0x0) 00:16:40 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) clock_gettime(0x0, &(0x7f0000000000)={0x0, 0x0}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r3, 0x84, 0x7b, &(0x7f0000000040)={0x0, 0x5f}, &(0x7f0000000080)=0x8) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140)={r1, r2+10000000}, 0x0, 0x0) 00:16:40 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x921d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:40 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x0, 0x0, 0x0, [], 0x78}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:40 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0c2}], 0x2}}], 0x1, 0x0) [ 1584.065295][ T6740] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:40 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1584.365484][ T6743] batman_adv: batadv0: Adding interface: vlan1339 [ 1584.398781][ T6743] batman_adv: batadv0: The MTU of interface vlan1339 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1584.548654][ T6743] batman_adv: batadv0: Not using interface vlan1339 (retrying later): interface not active 00:16:40 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1b0, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:40 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x0, 0x69, 0x1, [], 0xf7}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:40 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x931d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:40 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x0, 0x0, 0x1, [], 0xf7}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:40 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0c3}], 0x2}}], 0x1, 0x0) 00:16:40 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) r4 = socket$inet6_sctp(0xa, 0x5, 0x84) shutdown(r4, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r4, 0x84, 0x6f, &(0x7f0000000000)={0x0, 0x1c, &(0x7f00000002c0)=[@in6={0xa, 0x0, 0x0, @private0}]}, &(0x7f0000000180)=0x10) r5 = dup3(r4, r3, 0x0) getsockopt$inet_sctp_SCTP_MAX_BURST(r5, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x17) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000040)={r6}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000000000)={r6, 0x8}, 0x8) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) [ 1585.023156][ T6789] batman_adv: batadv0: Adding interface: vlan1340 00:16:41 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x0, 0x0, 0x0, [], 0xf7}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1585.052696][ T6789] batman_adv: batadv0: The MTU of interface vlan1340 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:41 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0c3}], 0x2}}], 0x1, 0x0) 00:16:41 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040)='nl80211\x00') r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000240)='/dev/ocfs2_control\x00', 0xc0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) execve(&(0x7f0000000380)='./file0\x00', &(0x7f0000000500)=[&(0x7f00000004c0)='+\x00'], &(0x7f0000000700)=[&(0x7f0000000540)='\x9d\x00', &(0x7f0000000580)='/dev/ocfs2_control\x00', &(0x7f00000005c0)='\x00', &(0x7f0000000600)='*,\x00', &(0x7f0000000640)='nl80211\x00', &(0x7f0000000680)='syzkaller1\x00', &(0x7f00000006c0)='nl80211\x00']) getsockopt$inet6_IPV6_IPSEC_POLICY(r5, 0x29, 0x22, &(0x7f0000000280)={{{@in6=@remote, @in=@empty, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@private0}, 0x0, @in6=@mcast2}}, &(0x7f0000000480)=0xe8) r7 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r7, 0x400454ca, &(0x7f0000000040)={'syzkaller1\x00', 0x420000015301}) r8 = socket(0x10, 0x2, 0x0) ioctl$KVM_GET_API_VERSION(r4, 0xae00, 0x0) getsockopt$sock_cred(r8, 0x1, 0x11, &(0x7f0000000080)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) ioctl$TUNSETGROUP(r7, 0x400454d0, r9) write$P9_RGETATTR(r3, &(0x7f00000003c0)={0xa0, 0x19, 0x1, {0x200, {0x20, 0x2}, 0x18c, r6, r9, 0x8, 0x3, 0xc44, 0x400, 0x1, 0x0, 0x400, 0x8, 0xff, 0x2, 0x5, 0x7, 0x400, 0x9, 0x9}}, 0xa0) sendmsg$NL80211_CMD_SET_BSS(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x64, r2, 0x4, 0x70bd2c, 0x25dfdbfb, {}, [@NL80211_ATTR_P2P_CTWINDOW={0x5, 0xa2, 0x71}, @NL80211_ATTR_BSS_SHORT_SLOT_TIME={0x5, 0x1e, 0x77}, @NL80211_STA_WME_MAX_SP={0x1e, 0x2, "eb3987c44a584a1eb14fdd123be02a519d06da53b8540ab0fa8b"}, @NL80211_ATTR_WIPHY={0x8}, @NL80211_ATTR_BSS_HT_OPMODE={0x6, 0x6d, 0x2}, @NL80211_ATTR_BSS_CTS_PROT={0x5}, @NL80211_ATTR_BSS_SHORT_PREAMBLE={0x5, 0x1d, 0x20}]}, 0x64}, 0x1, 0x0, 0x0, 0x4000010}, 0x40008c1) [ 1585.218039][ T6789] batman_adv: batadv0: Not using interface vlan1340 (retrying later): interface not active 00:16:41 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x941d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:41 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:41 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1b1, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:41 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x0, 0x7, 0x1, [], 0x2}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:41 executing program 5: clock_gettime(0x0, &(0x7f0000000000)) ppoll(&(0x7f0000000100), 0x0, &(0x7f0000000140)={0x77359400}, 0x0, 0x0) [ 1585.714444][ T6841] batman_adv: batadv0: Adding interface: vlan1341 [ 1585.746492][ T6841] batman_adv: batadv0: The MTU of interface vlan1341 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:41 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x0, 0x0, 0x1, [], 0x2}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:42 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0c4}], 0x2}}], 0x1, 0x0) [ 1585.904507][ T6841] batman_adv: batadv0: Not using interface vlan1341 (retrying later): interface not active 00:16:42 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0c4}], 0x2}}], 0x1, 0x0) 00:16:42 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x951d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:42 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x0, 0x0, 0x0, [], 0x2}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:42 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1586.444292][ T6895] batman_adv: batadv0: Adding interface: vlan1342 00:16:42 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1b2, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1586.483688][ T6895] batman_adv: batadv0: The MTU of interface vlan1342 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1586.643446][ T6895] batman_adv: batadv0: Not using interface vlan1342 (retrying later): interface not active 00:16:42 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) [ 1586.730977][ T6892] __nla_validate_parse: 6 callbacks suppressed [ 1586.730986][ T6892] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:42 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x961d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:43 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) [ 1587.009893][ T6934] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:43 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0c5}], 0x2}}], 0x1, 0x0) 00:16:43 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) [ 1587.289612][ T6936] batman_adv: batadv0: Adding interface: vlan1343 [ 1587.317739][ T6936] batman_adv: batadv0: The MTU of interface vlan1343 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1587.494259][ T6936] batman_adv: batadv0: Not using interface vlan1343 (retrying later): interface not active [ 1587.572339][ T6934] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:43 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1b3, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:43 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0c5}], 0x2}}], 0x1, 0x0) 00:16:43 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x40, 0x7, 0x1, [], 0x2}, {0x7, 0x69, 0x1, [], 0xf7}, {0x80, 0x2, 0x6, [], 0x78}, {0x0, 0x1f, 0xff, [], 0x4}, {0x81, 0x7f, 0x0, [], 0x1f}, {0x2, 0x5, 0x34, [], 0xc8}, {0x20, 0x6, 0x20, [], 0x1}, {0xff, 0x7f, 0xf8, [], 0x1}, {0x9, 0x3, 0x7e, [], 0x9c}, {0x5, 0xfd, 0x7, [], 0x16}, {0x9, 0x4, 0x3f, [], 0x6}, {0x7, 0x8, 0x20, [], 0x3f}, {0x40, 0x81, 0x4c}, {0x0, 0x0, 0x0, [], 0x1}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:43 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x971d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1587.825731][ T6968] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:44 executing program 3 (fault-call:8 fault-nth:0): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:16:44 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0c6}], 0x2}}], 0x1, 0x0) [ 1588.259736][ T6974] batman_adv: batadv0: Adding interface: vlan1344 [ 1588.287452][ T6982] FAULT_INJECTION: forcing a failure. [ 1588.287452][ T6982] name failslab, interval 1, probability 0, space 0, times 0 [ 1588.311973][ T6974] batman_adv: batadv0: The MTU of interface vlan1344 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1588.353116][ T6982] CPU: 1 PID: 6982 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1588.361795][ T6982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1588.371841][ T6982] Call Trace: [ 1588.375134][ T6982] dump_stack+0x18f/0x20d [ 1588.379471][ T6982] should_fail.cold+0x5/0x14 [ 1588.384068][ T6982] ? tomoyo_realpath_from_path+0xc3/0x620 [ 1588.389785][ T6982] should_failslab+0x5/0xf [ 1588.394198][ T6982] __kmalloc+0x27d/0x340 [ 1588.398474][ T6982] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1588.404034][ T6982] tomoyo_realpath_from_path+0xc3/0x620 [ 1588.409581][ T6982] ? tomoyo_profile+0x42/0x50 [ 1588.414265][ T6982] tomoyo_path_number_perm+0x1cb/0x4d0 [ 1588.419733][ T6982] ? tomoyo_path_number_perm+0x183/0x4d0 [ 1588.425370][ T6982] ? tomoyo_execute_permission+0x470/0x470 [ 1588.431176][ T6982] ? lock_acquire+0x1f1/0xad0 [ 1588.435848][ T6982] ? delayed_put_pid+0x30/0x30 [ 1588.440618][ T6982] ? find_held_lock+0x2d/0x110 [ 1588.445403][ T6982] ? __mutex_unlock_slowpath+0xe2/0x610 [ 1588.450946][ T6982] ? lock_is_held_type+0xb0/0xe0 [ 1588.455888][ T6982] ? __fget_files+0x294/0x400 [ 1588.460569][ T6982] security_file_ioctl+0x50/0xb0 [ 1588.465517][ T6982] ksys_ioctl+0x50/0x180 [ 1588.469771][ T6982] __x64_sys_ioctl+0x6f/0xb0 [ 1588.474359][ T6982] ? lockdep_hardirqs_on+0x6a/0xe0 [ 1588.479471][ T6982] do_syscall_64+0x60/0xe0 [ 1588.483886][ T6982] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1588.489773][ T6982] RIP: 0033:0x45c1d9 [ 1588.493658][ T6982] Code: Bad RIP value. [ 1588.497720][ T6982] RSP: 002b:00007f0d7172dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1588.506128][ T6982] RAX: ffffffffffffffda RBX: 00000000000103c0 RCX: 000000000045c1d9 [ 1588.514180][ T6982] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000007 [ 1588.522147][ T6982] RBP: 00007f0d7172dca0 R08: 0000000000000000 R09: 0000000000000000 [ 1588.530213][ T6982] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1588.538181][ T6982] R13: 0000000000c9fb6f R14: 00007f0d7172e9c0 R15: 000000000078bf0c [ 1588.668687][ T6974] batman_adv: batadv0: Not using interface vlan1344 (retrying later): interface not active 00:16:44 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0c6}], 0x2}}], 0x1, 0x0) [ 1588.745283][ T6968] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:44 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x981d0200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1588.995065][ T7007] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:45 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0c7}], 0x2}}], 0x1, 0x0) 00:16:45 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1b4, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1589.284985][ T7010] batman_adv: batadv0: Adding interface: vlan1345 [ 1589.315353][ T7010] batman_adv: batadv0: The MTU of interface vlan1345 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1589.458367][ T7010] batman_adv: batadv0: Not using interface vlan1345 (retrying later): interface not active [ 1589.508901][ T6982] ERROR: Out of memory at tomoyo_realpath_from_path. [ 1589.539403][ T7007] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:45 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x9effffff}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:45 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1589.758261][ T7026] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:45 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0c7}], 0x2}}], 0x1, 0x0) [ 1590.038450][ T7030] device vlan1346 entered promiscuous mode 00:16:46 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x2, 0x0) [ 1590.177035][ T7026] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:46 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1b5, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:46 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x10, 0x0) 00:16:46 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa2d4ebf2}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1590.654544][ T7080] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:46 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x4c01, 0x0) 00:16:46 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0c8}], 0x2}}], 0x1, 0x0) 00:16:47 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0c8}], 0x2}}], 0x1, 0x0) [ 1590.986226][ T7087] device vlan1346 entered promiscuous mode [ 1591.040034][ T7087] batman_adv: batadv0: Adding interface: vlan1346 00:16:47 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x541b, 0x0) [ 1591.085309][ T7087] batman_adv: batadv0: The MTU of interface vlan1346 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:47 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1b6, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1591.234258][ T7087] batman_adv: batadv0: Not using interface vlan1346 (retrying later): interface not active 00:16:47 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xb2030000}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:47 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x5421, 0x0) 00:16:47 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x5450, 0x0) [ 1591.784017][ T7142] batman_adv: batadv0: Adding interface: vlan1347 [ 1591.821691][ T7142] batman_adv: batadv0: The MTU of interface vlan1347 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:48 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0c9}], 0x2}}], 0x1, 0x0) [ 1591.997136][ T7142] batman_adv: batadv0: Not using interface vlan1347 (retrying later): interface not active 00:16:48 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0c9}], 0x2}}], 0x1, 0x0) [ 1592.090381][ T7141] __nla_validate_parse: 2 callbacks suppressed [ 1592.090389][ T7141] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:48 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xb8030000}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:48 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1b7, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:48 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x5451, 0x0) [ 1592.326355][ T7195] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:48 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x5452, 0x0) [ 1592.710184][ T7199] batman_adv: batadv0: Adding interface: vlan1348 [ 1592.765004][ T7199] batman_adv: batadv0: The MTU of interface vlan1348 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:49 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x5460, 0x0) 00:16:49 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ca}], 0x2}}], 0x1, 0x0) [ 1592.924403][ T7199] batman_adv: batadv0: Not using interface vlan1348 (retrying later): interface not active [ 1593.028917][ T7195] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:49 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xc2030000}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:49 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1b8, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:49 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x5501, 0x0) [ 1593.276557][ T7265] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1593.592257][ T7268] batman_adv: batadv0: Adding interface: vlan1349 00:16:49 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x5509, 0x0) [ 1593.627579][ T7268] batman_adv: batadv0: The MTU of interface vlan1349 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:49 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ca}], 0x2}}], 0x1, 0x0) [ 1593.816282][ T7268] batman_adv: batadv0: Not using interface vlan1349 (retrying later): interface not active 00:16:49 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x6364, 0x0) [ 1593.897002][ T7265] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:50 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0cb}], 0x2}}], 0x1, 0x0) 00:16:50 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xc3ffffff}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:50 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1b9, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1594.123313][ T7322] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:50 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x8912, 0x0) 00:16:50 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x8923, 0x0) [ 1594.521498][ T7329] device vlan1350 entered promiscuous mode 00:16:50 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0cb}], 0x2}}], 0x1, 0x0) [ 1594.705814][ T7322] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:50 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x8933, 0x0) 00:16:51 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xc5343ed3}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:51 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x8940, 0x0) 00:16:51 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1ba, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1595.133801][ T7410] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:51 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xab0a, 0x0) [ 1595.506675][ T7410] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:51 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0cc}], 0x2}}], 0x1, 0x0) 00:16:51 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0cc}], 0x2}}], 0x1, 0x0) 00:16:51 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xd33e34c5}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:51 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xf504, 0x0) [ 1595.937639][ T7467] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:52 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x400454ca, 0x0) 00:16:52 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1bb, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:52 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x4004550a, 0x0) 00:16:52 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xd6020000}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:52 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0cd}], 0x2}}], 0x1, 0x0) 00:16:52 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x40049409, 0x0) 00:16:52 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0cd}], 0x2}}], 0x1, 0x0) [ 1597.029883][ T7546] batman_adv: batadv0: Adding interface: vlan1350 [ 1597.065843][ T7546] batman_adv: batadv0: The MTU of interface vlan1350 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:53 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x4004ae8b, 0x0) [ 1597.233992][ T7546] batman_adv: batadv0: Not using interface vlan1350 (retrying later): interface not active [ 1597.311437][ T7542] __nla_validate_parse: 2 callbacks suppressed [ 1597.311447][ T7542] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:53 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1bc, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:53 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xda020000}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:53 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x4004ae99, 0x0) [ 1597.597404][ T7591] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:53 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ce}], 0x2}}], 0x1, 0x0) [ 1597.942576][ T7593] batman_adv: batadv0: Adding interface: vlan1351 00:16:54 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ce}], 0x2}}], 0x1, 0x0) [ 1597.984280][ T7593] batman_adv: batadv0: The MTU of interface vlan1351 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:54 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x40085503, 0x0) [ 1598.136926][ T7593] batman_adv: batadv0: Not using interface vlan1351 (retrying later): interface not active [ 1598.236310][ T7591] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:54 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe0000000}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:54 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x4008550d, 0x0) 00:16:54 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1bd, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1598.435340][ T7646] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:54 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x40186366, 0x0) [ 1598.853315][ T7648] batman_adv: batadv0: Adding interface: vlan1352 [ 1598.888840][ T7648] batman_adv: batadv0: The MTU of interface vlan1352 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:55 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0cf}], 0x2}}], 0x1, 0x0) 00:16:55 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0cf}], 0x2}}], 0x1, 0x0) 00:16:55 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x4020940d, 0x0) [ 1599.072567][ T7648] batman_adv: batadv0: Not using interface vlan1352 (retrying later): interface not active [ 1599.170863][ T7646] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:55 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe4ffffff}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:55 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x4048ae9b, 0x0) [ 1599.433543][ T7718] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:55 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1be, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:55 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x4090ae82, 0x0) [ 1599.808769][ T7719] device vlan1353 entered promiscuous mode [ 1599.948209][ T7718] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:56 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0d0}], 0x2}}], 0x1, 0x0) 00:16:56 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x41015500, 0x0) 00:16:56 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0d0}], 0x2}}], 0x1, 0x0) 00:16:56 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xf0ffffff}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:56 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x4138ae84, 0x0) [ 1600.387504][ T7791] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:56 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(0xffffffffffffffff, 0xc01064b5, &(0x7f0000000180)={&(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x6}) ioctl$DRM_IOCTL_MODE_SETPLANE(r1, 0xc03064b7, &(0x7f00000001c0)={r2, 0x2, 0x44, 0xfff, 0x5, 0x5, 0x2, 0xac39, 0x7fffffff, 0x3, 0xffffffff, 0x9}) 00:16:56 executing program 5: ppoll(&(0x7f0000000100)=[{}], 0x1, &(0x7f0000000140), 0x0, 0x0) [ 1600.695236][ T7793] device vlan1353 entered promiscuous mode 00:16:56 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x41a0ae8d, 0x0) [ 1600.859368][ T7793] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:57 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/bus/input/devices\x00', 0x0, 0x0) ppoll(&(0x7f0000000040)=[{r0}, {r1, 0x8220}], 0x2, &(0x7f0000000140), 0x0, 0x0) [ 1600.965109][ T7825] device vlan1353 entered promiscuous mode 00:16:57 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x80044324, 0x0) 00:16:57 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1bf, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:57 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/btrfs-control\x00', 0x101200, 0x0) ioctl$SNDCTL_DSP_GETIPTR(r1, 0x800c5011, &(0x7f0000000040)) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) openat$binder_debug(0xffffffffffffff9c, &(0x7f00000001c0)='/sys/kernel/debug/binder/state\x00', 0x0, 0x0) r4 = socket$key(0xf, 0x3, 0x2) r5 = dup3(r2, r4, 0x0) ioctl$MON_IOCX_GETX(r5, 0x4018920a, &(0x7f0000001180)={&(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @iso}, &(0x7f00000011c0)=""/4068, 0xfe4}) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) 00:16:57 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0d1}], 0x2}}], 0x1, 0x0) 00:16:57 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0d1}], 0x2}}], 0x1, 0x0) 00:16:57 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xf2030000}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:57 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x80047c05, 0x0) 00:16:57 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x2, 0x0) ppoll(&(0x7f0000000100)=[{r0, 0x1000}], 0x4c, &(0x7f0000000140)={0x77359400}, 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000200)='/dev/nvram\x00', 0xe01dacb68d796c51, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$KVM_CHECK_EXTENSION_VM(r3, 0xae03, 0x2) ioctl$PPPIOCDISCONN(r2, 0x7439) ioctl$SG_SET_KEEP_ORPHAN(r1, 0x2287, &(0x7f00000001c0)=0x3735) vmsplice(r1, &(0x7f0000000180)=[{&(0x7f0000000040)="740a39866de731bcf1166c7b6da33b988ac1b1d1be4878e130", 0x19}], 0x1, 0x0) bind$bt_rfcomm(r1, &(0x7f0000000000)={0x1f, @fixed={[], 0x12}, 0x7f}, 0xa) [ 1601.455451][ T7876] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:57 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x8004ae98, 0x0) 00:16:57 executing program 5: openat$uhid(0xffffffffffffff9c, &(0x7f0000000000)='/dev/uhid\x00', 0x802, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r0, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) setsockopt$CAN_RAW_FD_FRAMES(r0, 0x65, 0x5, &(0x7f00000001c0), 0x4) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000140)='w', 0x1}], 0x1, 0x0) ppoll(&(0x7f0000000100)=[{r1, 0x4040}], 0x1, &(0x7f0000000040), 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$VIDIOC_S_EXT_CTRLS(r2, 0xc0205648, &(0x7f0000000280)={0x9f0000, 0x2, 0x1, 0xffffffffffffffff, 0x0, &(0x7f0000000240)={0x990a74, 0x7fff, [], @p_u8=&(0x7f0000000200)=0x81}}) ioctl$FBIOPAN_DISPLAY(r3, 0x4606, &(0x7f00000002c0)={0x20, 0x320, 0x320, 0x2000, 0x200, 0x7, 0x0, 0x0, {0x800, 0x1000, 0x1}, {0xffff, 0x2}, {0xffff, 0x14, 0x1}, {0x2, 0x9, 0x1}, 0x1, 0x202, 0x4, 0x9, 0x1, 0x9, 0x100, 0xffffffff, 0x6000, 0xfffffff7, 0x1e9, 0x4, 0xa, 0x200, 0x2, 0x7}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000000)={0x0, 0x14, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000200)=0x0) timer_settime(r5, 0x0, &(0x7f0000000180)={{0x0, 0x989680}, {0x0, 0x1c9c380}}, 0x0) timer_getoverrun(r5) r6 = fcntl$getown(r4, 0x9) tkill(r6, 0x26) [ 1601.788821][ T7884] batman_adv: batadv0: Adding interface: vlan1353 [ 1601.808018][ T7884] batman_adv: batadv0: The MTU of interface vlan1353 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1601.964550][ T7884] batman_adv: batadv0: Not using interface vlan1353 (retrying later): interface not active 00:16:58 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) getsockopt(r1, 0xfffffffb, 0xc6, &(0x7f0000000000)=""/158, &(0x7f0000000180)=0x9e) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) 00:16:58 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c0, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:58 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xf2ebd4a2}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:16:58 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x80085502, 0x0) 00:16:58 executing program 5: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r0, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r4 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f0000000500)={0x4, &(0x7f00000004c0)=[{0xff, 0x2, 0x8}, {0x1f, 0x20, 0x2, 0x5}, {0x2, 0x1, 0x1, 0xa8be}, {0x1f, 0x7, 0xfb, 0x80000001}]}) sendmsg$unix(r0, &(0x7f0000000580)={&(0x7f0000000000)=@file={0x2, './file0\x00'}, 0x6e, &(0x7f0000000440)=[{&(0x7f0000000180)="20e93bfdd6127dd91642487e062cced209215141d71cc7ed26ce146cede4745fc7928e5b89d6b0d13da81349249e1d5ff8db7a29016e6c4fd2ac859895667ed5bb9776a86a67e798eaa2187501dc09584d078e481a62511f6da573479a88624c913f0bee2f92af26a395f4ce1b89541719e19b950a2d3c06b2d03eb15d3705c17abee4182658e8e73015e117a20bfa69f5a239a01b262575bf94cbbc23c73c22ddc0f7d5cbf9dc43f8fa7c2aedb40e42fd0453702c3d1822ca92e007df719d14c5531c084d1f858879f68266b19d97b0a53ff12dd8e1e1", 0xd7}, {&(0x7f0000000080)="211e31e86250", 0x6}, {&(0x7f0000000280)="292ae63797d61bfe16ae7bfbb16ef360cd0965a9de5e8879c7028b628ed7147cd7e8b8c0a7b07b7cd1356439207dcfb7d9d4e19d8b6894b340cc36e418a87510895f3e6029c843c49597906e6cf1375b3785cf08c585033d324b7b36d40444b4b024a1928f5fa5125ab94631a84097babf981c7842d3e2359aad1c", 0x7b}, {&(0x7f0000000300)="5fe5e85372e391c61a128b5ee7c17d1de90020a7803f5a78c947741770f64ee079c47edd7fe9675f0d47dbd21b3fdb9b15d31da28798cf7c34d9c9", 0x3b}, {&(0x7f0000000340)="9194051b7d9736bffb2a9a1d26c3263a34ba973997f2f225fe4bc06ec05d1b97c50b5d1aefc85fed064284e03531aca21da14d310982a4dec41f6d612a026dbbff07e71abdd1a47c9eda6398110ccb32002e1bfd5e0f6ee44849caa9fd6e6cdecf5b44afd9dba3aafac29ab4c32527b92e74426a4f0d1f31ca510c1420858ee9e262e99778c4840f689e1f84a7c960987c", 0x91}, {&(0x7f0000000400)="a4006897a5dcdc53ab964f4305aa9c01fc73ac6e2ef964bf78f641", 0x1b}], 0x6, &(0x7f0000000540)=[@rights={{0x20, 0x1, 0x1, [r1, r2, r3, r4]}}], 0x20, 0xdd12ff1ee7bc542a}, 0x24000000) r5 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r5}], 0x1, &(0x7f0000000140), 0x0, 0x0) 00:16:58 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0d2}], 0x2}}], 0x1, 0x0) 00:16:58 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0d2}], 0x2}}], 0x1, 0x0) 00:16:58 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) dup2(r1, r0) [ 1602.473628][ T7936] batman_adv: batadv0: Adding interface: vlan1354 [ 1602.521253][ T7936] batman_adv: batadv0: The MTU of interface vlan1354 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:58 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x80086301, 0x0) 00:16:58 executing program 5: openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r0, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) [ 1602.704451][ T7936] batman_adv: batadv0: Not using interface vlan1354 (retrying later): interface not active [ 1602.782393][ T7932] __nla_validate_parse: 2 callbacks suppressed [ 1602.782402][ T7932] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:58 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ioctl$F2FS_IOC_RESIZE_FS(r0, 0x4008f510, &(0x7f0000000000)=0x10001) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) 00:16:58 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x8090ae81, 0x0) 00:16:59 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfe0f0000}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1603.037754][ T8004] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:16:59 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) r1 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x301102, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) r6 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r6, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xa) sendmsg$nl_route(r5, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000280)=ANY=[@ANYBLOB="4800000010000507000000000000000000000002", @ANYRES32=r7, @ANYBLOB="0000400000000002280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="2000000014002101008000000000000002000000", @ANYRES32=r7, @ANYBLOB="08000200ac"], 0x20}}, 0x0) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000240)=@ipv4_newaddr={0x20, 0x14, 0x121, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, r7}, [@IFA_LOCAL={0x8, 0x2, @multicast2}]}, 0x20}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=@ipv4_deladdr={0x18, 0x15, 0x1, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, r7}}, 0x18}}, 0x0) ioctl$ifreq_SIOCGIFINDEX_wireguard(r2, 0x8933, &(0x7f0000000040)={'wg0\x00', r7}) ioctl$sock_ipv6_tunnel_SIOCDELPRL(r1, 0x89f6, &(0x7f0000000080)={'syztnl2\x00', &(0x7f0000000180)={'ip6gre0\x00', r8, 0x29, 0xd4, 0x61, 0x40, 0x2, @private0, @local, 0x7, 0x80, 0x0, 0xd4}}) 00:16:59 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c1, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:16:59 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x8138ae83, 0x0) [ 1603.352763][ T8015] batman_adv: batadv0: Adding interface: vlan1355 [ 1603.388988][ T8015] batman_adv: batadv0: The MTU of interface vlan1355 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:16:59 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0d3}], 0x2}}], 0x1, 0x0) 00:16:59 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0x81a0ae8c, 0x0) 00:16:59 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0d3}], 0x2}}], 0x1, 0x0) [ 1603.567896][ T8015] batman_adv: batadv0: Not using interface vlan1355 (retrying later): interface not active [ 1603.636544][ T8021] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 00:16:59 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xc0045878, 0x0) 00:17:00 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c2, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:00 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xc0045878, 0x0) 00:17:00 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xc0085504, 0x0) 00:17:00 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0d4}], 0x2}}], 0x1, 0x0) [ 1604.609101][ T8004] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1604.682079][ T8021] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 00:17:00 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfeff0000}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:00 executing program 5: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r0, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$KDGKBENT(r0, 0x4b46, &(0x7f0000000000)={0x1, 0x8, 0x1}) r1 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r1}], 0x1, &(0x7f0000000140), 0x0, 0x0) 00:17:00 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xc0189436, 0x0) [ 1604.845993][ T8137] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:01 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) sendmsg$NFT_MSG_GETOBJ_RESET(r2, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000002c0)={&(0x7f0000000380)={0x64, 0x15, 0xa, 0x401, 0x0, 0x0, {0x0, 0x0, 0x6}, [@NFTA_OBJ_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_OBJ_NAME={0x9, 0x2, 'syz1\x00'}, @NFTA_OBJ_HANDLE={0xc, 0x6, 0x1, 0x0, 0x3}, @NFTA_OBJ_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_OBJ_HANDLE={0xc, 0x6, 0x1, 0x0, 0x2}, @NFTA_OBJ_TABLE={0x9, 0x1, 'syz1\x00'}, @NFTA_OBJ_TYPE={0x8, 0x3, 0x1, 0x0, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x50}, 0x4000000) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/sync_threshold\x00', 0x2, 0x0) r4 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f0000000240)='/proc/capi/capi20ncci\x00', 0x802000, 0x0) ioctl$HIDIOCGREPORTINFO(r4, 0xc00c4809, &(0x7f0000000280)={0x2, 0xffffffff, 0x310b}) setsockopt$bt_BT_SNDMTU(r3, 0x112, 0xc, &(0x7f0000000040)=0xc7, 0x2) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) 00:17:01 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0d4}], 0x2}}], 0x1, 0x0) 00:17:01 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xc018ae85, 0x0) [ 1605.205769][ T8138] batman_adv: batadv0: Adding interface: vlan1356 [ 1605.235546][ T8138] batman_adv: batadv0: The MTU of interface vlan1356 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:01 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r2 = accept4(r1, &(0x7f0000000000)=@in6={0xa, 0x0, 0x0, @loopback}, &(0x7f0000000080)=0x80, 0x800) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000380)='/dev/nvme-fabrics\x00', 0x680, 0x0) getsockopt$inet_sctp_SCTP_RECVNXTINFO(r3, 0x84, 0x21, &(0x7f00000003c0), &(0x7f0000000400)=0x4) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket$nl_route(0x10, 0x3, 0x0) r6 = socket$netlink(0x10, 0x3, 0x0) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x11}, 0x48000) getsockname$packet(r7, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xa) sendmsg$nl_route(r6, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000280)=ANY=[@ANYBLOB="4800000010000507000000000000000000000002", @ANYRES32=r8, @ANYBLOB="0000400000000002280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r6, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="2000000014002101008000000000000002000000", @ANYRES32=r8, @ANYBLOB="08000200ac"], 0x20}}, 0x0) sendmsg$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000240)=@ipv4_newaddr={0x20, 0x14, 0x121, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, r8}, [@IFA_LOCAL={0x8, 0x2, @multicast2}]}, 0x20}}, 0x0) sendmsg$nl_route(r4, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=@ipv4_deladdr={0x18, 0x15, 0x1, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, r8}}, 0x18}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)=@newqdisc={0xa4, 0x24, 0x0, 0x70bd28, 0x25dfdbfc, {0x0, 0x0, 0x0, r8, {0x2, 0x7}, {0xe, 0xe}, {0x5, 0xa}}, [@qdisc_kind_options=@q_sfq={{0x8, 0x1, 'sfq\x00'}, {0x4c, 0x2, {{0x8, 0x7ff, 0x4, 0x0, 0x5fb4}, 0x1ff, 0x0, 0x8, 0x7, 0x9, 0x17, 0x11, 0x17, 0x1, 0x3, {0xfffffffc, 0x4, 0x4, 0x6, 0xbb}}}}, @TCA_EGRESS_BLOCK={0x8, 0xe, 0x3}, @TCA_EGRESS_BLOCK={0x8, 0xe, 0x8000}, @qdisc_kind_options=@q_pie={{0x8, 0x1, 'pie\x00'}, {0xc, 0x2, [@TCA_PIE_ALPHA={0x8, 0x4, 0x17}]}}, @TCA_EGRESS_BLOCK={0x8, 0xe, 0x3}]}, 0xa4}}, 0x20048041) r9 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f0000000300)='/proc/capi/capi20ncci\x00', 0x300, 0x0) ioctl$PPPIOCGDEBUG(r9, 0x80047441, &(0x7f0000000340)) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) [ 1605.458339][ T8138] batman_adv: batadv0: Not using interface vlan1356 (retrying later): interface not active 00:17:01 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0d5}], 0x2}}], 0x1, 0x0) [ 1605.575159][ T8195] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1605.717226][ T8137] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:01 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c3, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:01 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xc020660b, 0x0) 00:17:01 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xff0f0000}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:02 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xc02464bb, 0x0) 00:17:02 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0d5}], 0x2}}], 0x1, 0x0) 00:17:02 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xc0285443, 0x0) 00:17:02 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c4, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:02 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xc0502100, 0x0) [ 1606.678302][ T8215] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:03 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0d6}], 0x2}}], 0x1, 0x0) 00:17:03 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x2) [ 1607.053432][ T8221] batman_adv: batadv0: Adding interface: vlan1357 [ 1607.088315][ T8221] batman_adv: batadv0: The MTU of interface vlan1357 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1607.265206][ T8221] batman_adv: batadv0: Not using interface vlan1357 (retrying later): interface not active [ 1607.328049][ T8200] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 00:17:03 executing program 5: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$SCSI_IOCTL_GET_PCI(r0, 0x5387, &(0x7f0000000040)) r1 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r1}], 0x1, &(0x7f0000000140), 0x0, 0x0) 00:17:03 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x3) 00:17:03 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xff7f0000}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:03 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) write$apparmor_current(r1, &(0x7f0000000000)=@hat={'permhat ', 0x1, 0x5e, ['\x00', '/dev/uhid\x00', '\'i\x00', '/dev/uhid\x00', '\x00', '\\\x00']}, 0x36) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) 00:17:03 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c5, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:03 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x4) [ 1607.838705][ T8331] batman_adv: batadv0: Adding interface: vlan1358 [ 1607.884782][ T8331] batman_adv: batadv0: The MTU of interface vlan1358 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:04 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0d6}], 0x2}}], 0x1, 0x0) 00:17:04 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x2, &(0x7f0000000000), 0x0, 0x0) 00:17:04 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0d7}], 0x2}}], 0x1, 0x0) 00:17:04 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x5) [ 1608.081666][ T8331] batman_adv: batadv0: Not using interface vlan1358 (retrying later): interface not active [ 1608.184643][ T8324] __nla_validate_parse: 2 callbacks suppressed [ 1608.184651][ T8324] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:04 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffff0300}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:04 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x6) [ 1608.473228][ T8393] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:04 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c6, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:04 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x7) [ 1608.846847][ T8395] device vlan1359 entered promiscuous mode [ 1608.877015][ T8395] batman_adv: batadv0: Adding interface: vlan1359 00:17:05 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0d7}], 0x2}}], 0x1, 0x0) [ 1608.927245][ T8395] batman_adv: batadv0: The MTU of interface vlan1359 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:05 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0d8}], 0x2}}], 0x1, 0x0) [ 1609.080750][ T8395] batman_adv: batadv0: Not using interface vlan1359 (retrying later): interface not active 00:17:05 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x8) [ 1609.163811][ T8393] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:05 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffa888}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1609.386714][ T8456] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:05 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0xf) [ 1609.618044][ T8466] batman_adv: batadv0: Adding interface: vlan1360 [ 1609.637408][ T8466] batman_adv: batadv0: The MTU of interface vlan1360 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1609.725293][ T8466] batman_adv: batadv0: Not using interface vlan1360 (retrying later): interface not active [ 1609.798055][ T8456] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:05 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c7, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:05 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x11) 00:17:05 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfffff000}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:06 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0d9}], 0x2}}], 0x1, 0x0) 00:17:06 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0d8}], 0x2}}], 0x1, 0x0) [ 1609.995414][ T8499] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:06 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x300) [ 1610.275203][ T8506] batman_adv: batadv0: Adding interface: vlan1361 [ 1610.312193][ T8506] batman_adv: batadv0: The MTU of interface vlan1361 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1610.416391][ T8506] batman_adv: batadv0: Not using interface vlan1361 (retrying later): interface not active [ 1610.522399][ T8499] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:06 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x500) 00:17:06 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffff7f}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1610.761747][ T8550] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:06 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x600) 00:17:06 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c8, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:07 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0da}], 0x2}}], 0x1, 0x0) 00:17:07 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0d9}], 0x2}}], 0x1, 0x0) [ 1611.059055][ T8561] device vlan1362 entered promiscuous mode 00:17:07 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x700) [ 1611.185899][ T8550] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:07 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffff9e}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:07 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0xc00) [ 1611.616417][ T8620] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:07 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c9, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:07 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0xf00) [ 1611.913390][ T8624] device vlan1362 entered promiscuous mode [ 1611.981483][ T8624] batman_adv: batadv0: Adding interface: vlan1362 00:17:08 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0db}], 0x2}}], 0x1, 0x0) [ 1612.020948][ T8624] batman_adv: batadv0: The MTU of interface vlan1362 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:08 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0da}], 0x2}}], 0x1, 0x0) [ 1612.224492][ T8624] batman_adv: batadv0: Not using interface vlan1362 (retrying later): interface not active 00:17:08 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x1100) 00:17:08 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffffc3}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:08 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x3f00) [ 1612.798899][ T8682] device vlan1363 entered promiscuous mode 00:17:09 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1ca, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:09 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0dc}], 0x2}}], 0x1, 0x0) 00:17:09 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x4000) 00:17:09 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0db}], 0x2}}], 0x1, 0x0) 00:17:09 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffffe4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1613.405107][ T8754] __nla_validate_parse: 3 callbacks suppressed [ 1613.405117][ T8754] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:09 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0xff00) 00:17:09 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x40000) [ 1613.828382][ T8755] device vlan1363 entered promiscuous mode [ 1613.895561][ T8755] batman_adv: batadv0: Adding interface: vlan1363 00:17:10 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1cb, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1613.944451][ T8755] batman_adv: batadv0: The MTU of interface vlan1363 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:10 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x80000) 00:17:10 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0dd}], 0x2}}], 0x1, 0x0) [ 1614.158330][ T8755] batman_adv: batadv0: Not using interface vlan1363 (retrying later): interface not active 00:17:10 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0dc}], 0x2}}], 0x1, 0x0) [ 1614.244158][ T8754] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:10 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfffffff0}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1614.499389][ T8823] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:10 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0xc0000) 00:17:10 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x231860) [ 1614.856856][ T8825] device vlan1364 entered promiscuous mode [ 1614.931554][ T8825] batman_adv: batadv0: Adding interface: vlan1364 [ 1614.973595][ T8825] batman_adv: batadv0: The MTU of interface vlan1364 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1615.152352][ T8825] batman_adv: batadv0: Not using interface vlan1364 (retrying later): interface not active 00:17:11 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x80ffff) 00:17:11 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0de}], 0x2}}], 0x1, 0x0) [ 1615.258187][ T8823] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:11 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0dd}], 0x2}}], 0x1, 0x0) 00:17:11 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffffff}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:11 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x1000000) [ 1615.526674][ T8895] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:11 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1cc, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1615.830271][ T8896] device vlan1365 entered promiscuous mode 00:17:12 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x2000000) [ 1615.958043][ T8895] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:12 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x3000000) 00:17:12 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0df}], 0x2}}], 0x1, 0x0) 00:17:12 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1616.434645][ T8957] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:12 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x4000000) 00:17:12 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1cd, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1616.805190][ T8966] batman_adv: batadv0: Adding interface: vlan1365 00:17:12 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x5000000) [ 1616.836552][ T8966] batman_adv: batadv0: The MTU of interface vlan1365 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:13 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0de}], 0x2}}], 0x1, 0x0) [ 1616.975773][ T8966] batman_adv: batadv0: Not using interface vlan1365 (retrying later): interface not active [ 1617.041951][ T8957] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:13 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:13 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x6000000) [ 1617.256423][ T9018] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:13 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0e0}], 0x2}}], 0x1, 0x0) 00:17:13 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x7000000) 00:17:13 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1ce, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1617.646378][ T9020] batman_adv: batadv0: Adding interface: vlan1366 [ 1617.701951][ T9020] batman_adv: batadv0: The MTU of interface vlan1366 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:13 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x8000000) 00:17:13 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0df}], 0x2}}], 0x1, 0x0) [ 1617.887205][ T9020] batman_adv: batadv0: Not using interface vlan1366 (retrying later): interface not active [ 1617.967111][ T9018] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:14 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:14 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0xf000000) [ 1618.523865][ T9088] batman_adv: batadv0: Adding interface: vlan1367 00:17:14 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x11000000) [ 1618.558095][ T9088] batman_adv: batadv0: The MTU of interface vlan1367 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:14 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1cf, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1618.698073][ T9088] batman_adv: batadv0: Not using interface vlan1367 (retrying later): interface not active [ 1618.773525][ T9085] __nla_validate_parse: 1 callbacks suppressed [ 1618.773534][ T9085] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:14 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x3f000000) 00:17:14 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:15 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0e0}], 0x2}}], 0x1, 0x0) [ 1619.056588][ T9141] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:15 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0e1}], 0x2}}], 0x1, 0x0) 00:17:15 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x40000000) [ 1619.373751][ T9148] batman_adv: batadv0: Adding interface: vlan1368 [ 1619.411884][ T9148] batman_adv: batadv0: The MTU of interface vlan1368 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:15 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x60182300) [ 1619.614073][ T9148] batman_adv: batadv0: Not using interface vlan1368 (retrying later): interface not active [ 1619.691645][ T9141] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:15 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1d0, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:15 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1619.882300][ T9191] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:16 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0xfdfdffff) 00:17:16 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0e1}], 0x2}}], 0x1, 0x0) [ 1620.194726][ T9204] batman_adv: batadv0: Adding interface: vlan1369 00:17:16 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0xff000000) [ 1620.255455][ T9204] batman_adv: batadv0: The MTU of interface vlan1369 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:16 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0e2}], 0x2}}], 0x1, 0x0) [ 1620.414937][ T9204] batman_adv: batadv0: Not using interface vlan1369 (retrying later): interface not active [ 1620.475346][ T9191] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:16 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1620.674304][ T9239] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:16 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1d1, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:17 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0xffff8000) 00:17:17 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0e2}], 0x2}}], 0x1, 0x0) [ 1621.054012][ T9245] batman_adv: batadv0: Adding interface: vlan1370 [ 1621.088170][ T9245] batman_adv: batadv0: The MTU of interface vlan1370 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:17 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0xfffffdfd) [ 1621.322659][ T9245] batman_adv: batadv0: Not using interface vlan1370 (retrying later): interface not active [ 1621.403441][ T9245] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:17 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:17 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x200000003) 00:17:17 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0e3}], 0x2}}], 0x1, 0x0) [ 1621.683096][ T9307] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:17 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1d2, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:18 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x40000000000) [ 1622.092730][ T9312] batman_adv: batadv0: Adding interface: vlan1371 [ 1622.139486][ T9312] batman_adv: batadv0: The MTU of interface vlan1371 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:18 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x80000000000) [ 1622.364076][ T9312] batman_adv: batadv0: Not using interface vlan1371 (retrying later): interface not active [ 1622.441158][ T9307] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:18 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:18 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0e4}], 0x2}}], 0x1, 0x0) [ 1622.675892][ T9374] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:18 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0xc0000000000) 00:17:19 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0e3}], 0x2}}], 0x1, 0x0) 00:17:19 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1d3, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1623.026935][ T9377] batman_adv: batadv0: Adding interface: vlan1372 [ 1623.075681][ T9377] batman_adv: batadv0: The MTU of interface vlan1372 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:19 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x7f0d7172e700) [ 1623.270717][ T9377] batman_adv: batadv0: Not using interface vlan1372 (retrying later): interface not active 00:17:19 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:19 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x80ffff00000000) 00:17:20 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0xe772710d7f0000) [ 1623.942959][ T9435] batman_adv: batadv0: Adding interface: vlan1373 00:17:20 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0e4}], 0x2}}], 0x1, 0x0) [ 1623.981633][ T9435] batman_adv: batadv0: The MTU of interface vlan1373 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:20 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1d4, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1624.172646][ T9435] batman_adv: batadv0: Not using interface vlan1373 (retrying later): interface not active 00:17:20 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x100000000000000) [ 1624.250671][ T9430] __nla_validate_parse: 2 callbacks suppressed [ 1624.250681][ T9430] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:20 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xa}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1624.537420][ T9492] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:20 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0e5}], 0x2}}], 0x1, 0x0) 00:17:20 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x200000000000000) [ 1624.900271][ T9500] batman_adv: batadv0: Adding interface: vlan1374 00:17:21 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x300000000000000) [ 1624.946966][ T9500] batman_adv: batadv0: The MTU of interface vlan1374 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:21 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0e5}], 0x2}}], 0x1, 0x0) 00:17:21 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1d5, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1625.122884][ T9500] batman_adv: batadv0: Not using interface vlan1374 (retrying later): interface not active 00:17:21 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x300000002000000) [ 1625.204479][ T9492] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:21 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1625.399649][ T9556] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:21 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x400000000000000) [ 1625.726255][ T9561] batman_adv: batadv0: Adding interface: vlan1375 [ 1625.761866][ T9561] batman_adv: batadv0: The MTU of interface vlan1375 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:22 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x500000000000000) [ 1625.910279][ T9561] batman_adv: batadv0: Not using interface vlan1375 (retrying later): interface not active [ 1626.004871][ T9556] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:22 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:22 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1d6, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:22 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x600000000000000) [ 1626.252288][ T9614] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:22 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0e6}], 0x2}}], 0x1, 0x0) [ 1626.550000][ T9616] batman_adv: batadv0: Adding interface: vlan1376 00:17:22 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x700000000000000) [ 1626.597238][ T9616] batman_adv: batadv0: The MTU of interface vlan1376 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1626.765023][ T9616] batman_adv: batadv0: Not using interface vlan1376 (retrying later): interface not active 00:17:22 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x800000000000000) [ 1626.850737][ T9614] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:22 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0e6}], 0x2}}], 0x1, 0x0) 00:17:23 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x10}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1627.072780][ T9667] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:23 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1d7, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:23 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0xf00000000000000) [ 1627.370108][ T9675] batman_adv: batadv0: Adding interface: vlan1377 00:17:23 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0e7}], 0x2}}], 0x1, 0x0) [ 1627.417027][ T9675] batman_adv: batadv0: The MTU of interface vlan1377 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:23 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x1100000000000000) [ 1627.584713][ T9675] batman_adv: batadv0: Not using interface vlan1377 (retrying later): interface not active [ 1627.654355][ T9667] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:23 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x12}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:23 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0e7}], 0x2}}], 0x1, 0x0) 00:17:23 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x3f00000000000000) [ 1627.909712][ T9732] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1628.204341][ T9734] batman_adv: batadv0: Adding interface: vlan1378 00:17:24 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1d8, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:24 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x4000000000000000) [ 1628.235791][ T9734] batman_adv: batadv0: The MTU of interface vlan1378 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1628.382822][ T9734] batman_adv: batadv0: Not using interface vlan1378 (retrying later): interface not active 00:17:24 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x6018230000000000) 00:17:24 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0e8}], 0x2}}], 0x1, 0x0) 00:17:24 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x48}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:24 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x8000000000000000) 00:17:25 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0e8}], 0x2}}], 0x1, 0x0) 00:17:25 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1d9, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:25 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0xa0fa881700c9ffff) [ 1629.259766][ T9803] batman_adv: batadv0: Adding interface: vlan1379 [ 1629.266230][ T9803] batman_adv: batadv0: The MTU of interface vlan1379 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1629.469239][ T9803] batman_adv: batadv0: Not using interface vlan1379 (retrying later): interface not active [ 1629.543701][ T9801] __nla_validate_parse: 2 callbacks suppressed [ 1629.543709][ T9801] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:25 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0xfdfdffff00000000) 00:17:25 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4a}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1629.850343][ T9868] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:25 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0xff00000000000000) 00:17:26 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0e9}], 0x2}}], 0x1, 0x0) 00:17:26 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1da, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1630.192177][ T9869] batman_adv: batadv0: Adding interface: vlan1380 00:17:26 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0xffffc9001788faa0) [ 1630.250779][ T9869] batman_adv: batadv0: The MTU of interface vlan1380 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:26 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0e9}], 0x2}}], 0x1, 0x0) [ 1630.417253][ T9869] batman_adv: batadv0: Not using interface vlan1380 (retrying later): interface not active [ 1630.530955][ T9868] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:26 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0xffffffff00000000) 00:17:26 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4c}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1630.836725][ T9923] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:27 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$vicodec1(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/video37\x00', 0x2, 0x0) ioctl$KVM_PPC_ALLOCATE_HTAB(r1, 0xc004aea7, &(0x7f0000000000)=0x2) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:17:27 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ea}], 0x2}}], 0x1, 0x0) [ 1631.206208][ T9931] batman_adv: batadv0: Adding interface: vlan1381 [ 1631.253709][ T9931] batman_adv: batadv0: The MTU of interface vlan1381 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:27 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1db, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1631.417055][ T9931] batman_adv: batadv0: Not using interface vlan1381 (retrying later): interface not active 00:17:27 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ea}], 0x2}}], 0x1, 0x0) 00:17:27 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {}, {0x0, 0x0, 0x0, [], 0xfe}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1631.485411][ T9923] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:27 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x60}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1631.718775][ T9982] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:28 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) 00:17:28 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0eb}], 0x2}}], 0x1, 0x0) [ 1632.184141][ T9991] batman_adv: batadv0: Adding interface: vlan1382 00:17:28 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x40, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {}, {0x0, 0x0, 0x2}]}}) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x80800) sendmsg$IPCTNL_MSG_TIMEOUT_DELETE(r5, &(0x7f0000000400)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x6c, 0x2, 0x8, 0x101, 0x0, 0x0, {0xa, 0x0, 0x3}, [@CTA_TIMEOUT_NAME={0x9, 0x1, 'syz1\x00'}, @CTA_TIMEOUT_L4PROTO={0x5, 0x3, 0x11}, @CTA_TIMEOUT_NAME={0x9, 0x1, 'syz1\x00'}, @CTA_TIMEOUT_DATA={0x14, 0x4, 0x0, 0x1, @gre=[@CTA_TIMEOUT_GRE_REPLIED={0x8, 0x2, 0x1, 0x0, 0x9}, @CTA_TIMEOUT_GRE_UNREPLIED={0x8, 0x1, 0x1, 0x0, 0x8af9}]}, @CTA_TIMEOUT_DATA={0x14, 0x4, 0x0, 0x1, @icmp=[@CTA_TIMEOUT_ICMP_TIMEOUT={0x8, 0x1, 0x1, 0x0, 0x7ff}, @CTA_TIMEOUT_ICMP_TIMEOUT={0x8, 0x1, 0x1, 0x0, 0x100}]}, @CTA_TIMEOUT_L4PROTO={0x5, 0x3, 0x1}, @CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x884c}]}, 0x6c}, 0x1, 0x0, 0x0, 0x20000800}, 0x14) r6 = syz_open_dev$vcsu(&(0x7f0000000440)='/dev/vcsu#\x00', 0x6, 0x1) ioctl$sock_inet_sctp_SIOCINQ(r6, 0x541b, &(0x7f0000000480)) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1632.235429][ T9991] batman_adv: batadv0: The MTU of interface vlan1382 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1632.388884][ T9991] batman_adv: batadv0: Not using interface vlan1382 (retrying later): interface not active [ 1632.469257][ T9982] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:28 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1dc, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:28 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0eb}], 0x2}}], 0x1, 0x0) 00:17:28 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x64}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:28 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$KVM_SET_IRQCHIP(r5, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {0x3f}, {}, {0xcf}, {}, {}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x40, 0x0, 0x0, [], 0x1}, {0x0, 0x0, 0x9}, {}, {}, {0x0, 0x0, 0x0, [], 0x29}]}}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r6, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) getpeername$l2tp(r6, &(0x7f0000000000)={0x2, 0x0, @dev}, &(0x7f00000000c0)=0x10) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1632.735210][T10042] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:29 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0), 0x0, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x18, 0xfa00, {0x1, &(0x7f0000000000)={0xffffffffffffffff}, 0x111, 0x3}}, 0x20) write$RDMA_USER_CM_CMD_BIND(r4, &(0x7f0000000100)={0x14, 0x88, 0xfa00, {r5, 0x1c, 0x0, @ib={0x1b, 0x81, 0x0, {"00fc7c3ccf076e3d60054417d711cc89"}, 0x4, 0x4, 0x8}}}, 0x90) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r6 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r6, 0xae80, 0x0) [ 1633.180990][T10043] batman_adv: batadv0: Adding interface: vlan1383 00:17:29 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ec}], 0x2}}], 0x1, 0x0) [ 1633.223333][T10043] batman_adv: batadv0: The MTU of interface vlan1383 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:29 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/btrfs-control\x00', 0x8100, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) dup3(0xffffffffffffffff, r1, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 1633.454477][T10043] batman_adv: batadv0: Not using interface vlan1383 (retrying later): interface not active [ 1633.523732][T10042] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:29 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ec}], 0x2}}], 0x1, 0x0) 00:17:29 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x68}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1633.774263][T10102] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:29 executing program 3: r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/net/pfkey\x00', 0x4280, 0x0) clock_gettime(0x0, &(0x7f0000000140)={0x0, 0x0}) r3 = openat$mice(0xffffffffffffff9c, &(0x7f0000000400)='/dev/input/mice\x00', 0x480001) ioctl$VIDIOC_QBUF(r0, 0xc058560f, &(0x7f0000000440)={0x5, 0x6, 0x4, 0x70000, 0x82a0, {r1, r2/1000+60000}, {0x9cd14753b164bc2e, 0x0, 0xfd, 0x3, 0x9, 0x4, "cae8d605"}, 0x0, 0x4, @fd=r3, 0x100}) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) r6 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r7 = ioctl$KVM_CREATE_VM(r6, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r7, 0xae60) dup3(r7, r5, 0x0) r8 = ioctl$KVM_CREATE_VCPU(r5, 0xae41, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r9, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$KVM_SET_GSI_ROUTING(r9, 0x4008ae6a, &(0x7f0000000000)={0x1, 0x0, [{0x20, 0x4, 0x0, 0x0, @msi={0x100, 0xffff, 0x80000000, 0x81}}]}) ioctl$KVM_SET_IRQCHIP(r5, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r8, 0xae80, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r10, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$F2FS_IOC_MOVE_RANGE(r3, 0xc020f509, &(0x7f00000004c0)={r10, 0x3ff, 0x5, 0x9}) ioctl$UI_GET_SYSNAME(r11, 0x8040552c, &(0x7f0000000500)) [ 1634.094493][T10103] batman_adv: batadv0: Adding interface: vlan1384 00:17:30 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {0x0, 0x0, 0x3, [], 0x10}, {}, {}, {0x0, 0x0, 0x0, [], 0xfc}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS(r5, 0xc0406619, &(0x7f0000000000)={{0x0, 0x0, @descriptor="e81bfac73b546c07"}}) [ 1634.152850][T10103] batman_adv: batadv0: The MTU of interface vlan1384 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1634.286537][T10103] batman_adv: batadv0: Not using interface vlan1384 (retrying later): interface not active 00:17:30 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ed}], 0x2}}], 0x1, 0x0) 00:17:30 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1dd, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:30 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6c}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:30 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) r6 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r6, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xa) sendmsg$nl_route(r5, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000280)=ANY=[@ANYBLOB="4800000010000507000000000000000000000002", @ANYRES32=r7, @ANYBLOB="0000400000000002280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000400)=ANY=[@ANYBLOB="290014002101008000000020000002004008647690daf5e27d06ccf656e4ff0ee2128ff9f314c7edb7ef78b7bf2c40fb48bd82dac2ba0980225cb6c3342e6bdbfd96a6bb78b6d3cb2b48833abe969a277b41129bac590127dadc9714595e6ee69aeeb15b8d05a2d936ef355e93c559d6c5f6fdc7b183d82074946ceb8862301a9215b22228e5ef5c6b3f2d571ab7c5410c656a3a0516f9ba0441e133f9105b24bb9e9bd6c2ca8532efcfe5f6003d0816e8e761ed679f18cc4510b96e1ce501106b888ff93e8290c5d9ffd04b424e9bec33e77bdd13a76f7ea2", @ANYRES32=r7, @ANYBLOB="08000200ac"], 0x20}}, 0x0) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000240)=@ipv4_newaddr={0x20, 0x14, 0x121, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, r7}, [@IFA_LOCAL={0x8, 0x2, @multicast2}]}, 0x20}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=@ipv4_deladdr={0x18, 0x15, 0x1, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, r7}}, 0x18}}, 0x0) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000000)={'erspan0\x00', &(0x7f00000000c0)={'syztnl0\x00', r7, 0x20, 0x7800, 0x8, 0xffffffd3, {{0x24, 0x4, 0x1, 0x1, 0x90, 0x67, 0x0, 0xff, 0x29, 0x0, @remote, @private=0xa010101, {[@timestamp={0x44, 0x20, 0x58, 0x0, 0xe, [0x2, 0x3, 0xb24, 0x1f, 0x0, 0x1ff, 0x6]}, @timestamp_addr={0x44, 0x34, 0xb9, 0x1, 0x1, [{@rand_addr=0x64010102, 0x1}, {@multicast1, 0xfffff800}, {@loopback, 0x8}, {@local, 0xfffffffb}, {@private=0xa010101, 0xd6e1}, {@broadcast, 0x8000}]}, @lsrr={0x83, 0x27, 0x7a, [@private=0xa010101, @remote, @initdev={0xac, 0x1e, 0x1, 0x0}, @local, @remote, @rand_addr=0x64010101, @loopback, @empty, @remote]}]}}}}}) r8 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r8, 0xae60) dup3(r8, r1, 0x0) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {0x0, 0x1}]}}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) [ 1634.565765][T10151] __nla_validate_parse: 1 callbacks suppressed [ 1634.565775][T10151] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1634.989697][T10154] batman_adv: batadv0: Adding interface: vlan1385 [ 1635.018638][T10154] batman_adv: batadv0: The MTU of interface vlan1385 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:31 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ed}], 0x2}}], 0x1, 0x0) [ 1635.135446][T10154] batman_adv: batadv0: Not using interface vlan1385 (retrying later): interface not active [ 1635.192291][T10156] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:17:31 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ee}], 0x2}}], 0x1, 0x0) 00:17:31 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1de, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1635.669328][T10151] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1635.708427][T10161] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:17:31 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x74}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:32 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ee}], 0x2}}], 0x1, 0x0) 00:17:32 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ef}], 0x2}}], 0x1, 0x0) [ 1636.254745][T10195] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:32 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) getsockopt$inet6_mtu(r4, 0x29, 0x17, &(0x7f0000000000), &(0x7f00000000c0)=0x4) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) [ 1636.600978][T10196] batman_adv: batadv0: Adding interface: vlan1386 [ 1636.662020][T10196] batman_adv: batadv0: The MTU of interface vlan1386 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:32 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r6, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r7 = getpid() sched_setscheduler(r7, 0x5, &(0x7f00000002c0)) ioctl$TIOCSPGRP(r6, 0x5410, &(0x7f0000000100)=r7) r8 = syz_genetlink_get_family_id$l2tp(&(0x7f00000000c0)='l2tp\x00') sendmsg$L2TP_CMD_TUNNEL_CREATE(r4, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000140)={&(0x7f0000000440)=ANY=[@ANYBLOB="439fa394756d82facbe5238a27f2e813aa261fe680000000007948aa552b49f455fa21bf3ab4496df682c5011692227130ebfb43a3c300c16bb31f594d2682b7a7914145", @ANYRES16=r8, @ANYBLOB="000426bd7000fcdbdf25010000000500210000000000060001000000000014001f0000000000000000000000000000000001"], 0x38}, 0x1, 0x0, 0x0, 0x5}, 0x4c011) r9 = dup3(r3, r1, 0x0) setsockopt$TIPC_SRC_DROPPABLE(r4, 0x10f, 0x80, &(0x7f0000000400), 0x4) ioctl$VIDIOC_TRY_EXT_CTRLS(r9, 0xc0205649, &(0x7f0000000540)={0x0, 0x8, 0x39c, r5, 0x0, &(0x7f0000000500)={0x990967, 0x8, [], @p_u16=&(0x7f00000004c0)=0x4800}}) r10 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {0x0, 0x0, 0x0, [], 0x10}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {0x0, 0x1}, {}, {}, {}, {}, {0x0, 0x2, 0x0, [], 0xfd}, {}, {0x0, 0x0, 0x0, [], 0xdb}]}}) ioctl$KVM_RUN(r10, 0xae80, 0x0) [ 1636.822715][T10196] batman_adv: batadv0: Not using interface vlan1386 (retrying later): interface not active [ 1636.895862][T10195] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:33 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0ef}], 0x2}}], 0x1, 0x0) 00:17:33 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7a}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1637.065065][T10238] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:33 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1df, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:33 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0f0}], 0x2}}], 0x1, 0x0) [ 1637.366859][T10239] batman_adv: batadv0: Adding interface: vlan1387 [ 1637.410964][T10239] batman_adv: batadv0: The MTU of interface vlan1387 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1637.530687][T10239] batman_adv: batadv0: Not using interface vlan1387 (retrying later): interface not active [ 1637.595021][T10238] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:33 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe0}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1637.804071][T10253] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:34 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1e0, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:34 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0f1}], 0x2}}], 0x1, 0x0) [ 1638.140070][T10254] batman_adv: batadv0: Adding interface: vlan1388 [ 1638.175212][T10254] batman_adv: batadv0: The MTU of interface vlan1388 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:34 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0f0}], 0x2}}], 0x1, 0x0) [ 1638.329199][T10254] batman_adv: batadv0: Not using interface vlan1388 (retrying later): interface not active [ 1638.388434][T10253] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:34 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf0}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:35 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1e1, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1639.013898][T10273] batman_adv: batadv0: Adding interface: vlan1389 [ 1639.063312][T10273] batman_adv: batadv0: The MTU of interface vlan1389 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1639.199805][T10273] batman_adv: batadv0: Not using interface vlan1389 (retrying later): interface not active 00:17:35 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x12a}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1639.722340][T10288] batman_adv: batadv0: Adding interface: vlan1390 [ 1639.751368][T10288] batman_adv: batadv0: The MTU of interface vlan1390 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1639.887940][T10288] batman_adv: batadv0: Not using interface vlan1390 (retrying later): interface not active [ 1639.914891][T10287] __nla_validate_parse: 3 callbacks suppressed [ 1639.914898][T10287] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:37 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1e2, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:37 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0f2}], 0x2}}], 0x1, 0x0) 00:17:37 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0f1}], 0x2}}], 0x1, 0x0) 00:17:37 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2d6}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:37 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) r1 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/dlm-monitor\x00', 0x400000, 0x0) bind$l2tp(r1, &(0x7f0000000240)={0x2, 0x0, @remote, 0x4}, 0x10) ioctl$SNDRV_PCM_IOCTL_DELAY(r1, 0x80084121, &(0x7f0000000200)) r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/asound/seq/clients\x00', 0x0, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0xffffffffffffff7f}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) socket$nl_netfilter(0x10, 0x3, 0xc) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r2, 0xc00c642d, &(0x7f0000000080)={r3, 0x0, r4}) 00:17:37 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) setsockopt$TIPC_CONN_TIMEOUT(r4, 0x10f, 0x82, &(0x7f0000000000)=0x1, 0x4) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_REMOVE(r5, 0xc0405519, &(0x7f0000000100)={0x5, 0x6, 0x1, 0x8001, 'syz0\x00', 0x1ff}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r6, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) dup3(r6, r1, 0x0) r7 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {0xfd}, {0x0, 0x0, 0x0, [], 0x2}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r7, 0xae80, 0x0) [ 1641.822529][T10304] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:38 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) 00:17:38 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x101000, 0x0) ioctl$CAPI_CLR_FLAGS(r4, 0x80044325, &(0x7f00000000c0)=0x1) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) 00:17:38 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$EVIOCSABS3F(r1, 0x401845ff, &(0x7f0000000000)={0xacda, 0x9, 0x3, 0x800, 0x7, 0x3}) arch_prctl$ARCH_MAP_VDSO_64(0x2003, 0x100) ioctl$KVM_GET_CLOCK(0xffffffffffffffff, 0x8030ae7c, &(0x7f0000000040)) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) sendmsg$IPSET_CMD_RENAME(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, 0x5, 0x6, 0x5, 0x0, 0x0, {0x5, 0x0, 0x6}, [@IPSET_ATTR_PROTOCOL={0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40}, 0x4000) [ 1642.235354][T10312] batman_adv: batadv0: Adding interface: vlan1391 [ 1642.292162][T10312] batman_adv: batadv0: The MTU of interface vlan1391 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:38 executing program 5: openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000000), 0x0, &(0x7f0000000140)={0x0, 0x3938700}, 0x0, 0x0) 00:17:38 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) r4 = dup3(r3, r1, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {0x0, 0x0, 0x0, [], 0x40}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {0x1}, {0x0, 0x6}, {}, {}, {0x0, 0x0, 0x20}, {}, {0x0, 0x0, 0x7f}]}}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) write$UHID_INPUT2(r6, &(0x7f00000000c0)={0xc, {0xc5, "a388b8aa6960c39ca0d06e9ebbab69b8057ba6acbccf36b3e86a985581a946976987eafa19d1098310eaecd10be6b75f2aa08da3ba530294a468406f2dbcd8200d2bdb76643fd3f7bdc309b02a0c4931b26b502e7fea22cce5d426a9f808c45bcb857aeb05b4f86ec7f4c8ac8579d981c97610bd603bafc99c446fb05451a74b5e5c291a4c75e8db99ce285a28a0603d37b43a54ebcd77917c07f50e893c7cc6effc1246b7c6953a54f4bd2ef226c7f43610f9c882a0a0cc4e61739ad6858d34dc6cd40188"}}, 0xcb) ioctl$TCSETA(r4, 0x5406, &(0x7f0000000000)={0x100, 0xfffe, 0x4, 0x7, 0x1a, "d026e7a1cd3c0fad"}) ioctl$KVM_RUN(r5, 0xae80, 0x0) [ 1642.465813][T10312] batman_adv: batadv0: Not using interface vlan1391 (retrying later): interface not active [ 1642.548701][T10304] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:38 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2da}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:38 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1e3, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1642.812582][T10382] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1643.022646][T10383] batman_adv: batadv0: Adding interface: vlan1392 [ 1643.057991][T10383] batman_adv: batadv0: The MTU of interface vlan1392 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:39 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0f3}], 0x2}}], 0x1, 0x0) 00:17:39 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000)='/dev/uhid\x00', 0x2, 0x0) quotactl(0x1, &(0x7f00000001c0)='./file0\x00', 0xffffffffffffffff, &(0x7f0000000200)="033ed315f62dbde3356395bc4285a7e8317756909b62113ec49b5cbb5708c7a485ba2a279137e8b1a2c07b4488453d542615ff63e10adc51917e247528ac651e48cd1ab4d3") ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) timer_create(0x0, &(0x7f0000000440)={0x0, 0x7, 0x1, @thr={&(0x7f0000000280)="f093c83aa8ada8abc9fbac3da27e5ed293b006d5cc08c38b6bb75f68d46157a1cb077d22aa9827224ec8b3a09991fdd3c4c70c0a703ad6afcca026642ae86009a64e940b2c62dcd6210065daa49705157e29f9c3d4a58bc03dc1d537eab013a3e60c0cb2739d1ce5b143cb07a7472844f1e83f1b274783083037b1950bb89036f762f57054aceb40d3807a802c015fffc85a54bed189292c4dcaad6eb29c35da48002e463842a166478f5737a3cdd65a259b0b6536551c471b", &(0x7f0000000340)="d3abb1819171b9b97fb5ea622b6e5d8cdb04d3398786761dc87eda158589366edb133773d521f70c15c80d3b71174418c55c733d0312b3384fea076d876bdf7ce5ab30b50c34440d1bbc96d2a6cf170d0666b4bbd5b12743753210bb30db7764e50096dea9c265e820c2c9f8503a786711715c225dbfc377f437768005e2feff1c31ec3d6247099c7e0279a25f3af05163026bc851fd11e9e829c105f88f078e11ce22819d26a8f8473f47c7bbeaeb06c827dde4306fbfe80faae8ee798a316a810719a36f38618d4cfc803d6a799cf4e3c789942a4c478f91c6b264144119d2778752eb571b90e4ee0505bb338bf4"}}, &(0x7f0000000480)=0x0) timer_settime(r1, 0x1, &(0x7f00000004c0)={{0x77359400}, {0x0, 0x989680}}, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(r2, 0xc01864ba, &(0x7f0000000040)={0x1, 0x5, 0x2, 0xeeeeeeee}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) mmap$fb(&(0x7f0000ffb000/0x2000)=nil, 0x2000, 0x2000002, 0x4010, r2, 0x29000) 00:17:39 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0f2}], 0x2}}], 0x1, 0x0) 00:17:39 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {0x0, 0x2}, {0x0, 0x80}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1643.168617][T10383] batman_adv: batadv0: Not using interface vlan1392 (retrying later): interface not active [ 1643.212292][T10382] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:39 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x300}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:39 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) socket$inet6_udplite(0xa, 0x2, 0x88) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$DRM_IOCTL_MODE_GETPROPERTY(r1, 0xc04064aa, &(0x7f0000000080)={&(0x7f0000000000)=[0x0, 0x0, 0x0, 0x0], &(0x7f0000000040)=[{}], 0x1, 0x0, [], 0x4, 0x1}) [ 1643.442856][T10416] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:39 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @pic={0x0, 0x6, 0x1, 0x9, 0xfc, 0x0, 0x3, 0xb5, 0x1b, 0xe0, 0xfb, 0x8a, 0x8, 0x3f, 0x4, 0xff}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:17:39 executing program 5: r0 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000000)='/dev/bsg\x00', 0xf4a00, 0x0) ioctl$VFIO_GET_API_VERSION(r0, 0x3b64) r1 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r1}], 0x1, &(0x7f0000000140), 0x0, 0x0) 00:17:39 executing program 5: openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x200000, 0x0) r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) [ 1643.868231][T10419] batman_adv: batadv0: Adding interface: vlan1393 00:17:40 executing program 5: r0 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcsu\x00', 0x8577a751ae1a129, 0x0) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000180)={{{@in=@local, @in=@loopback}}, {{@in6=@loopback}, 0x0, @in=@private}}, &(0x7f0000000080)=0xe8) ioctl$UI_SET_PHYS(r0, 0x4008556c, &(0x7f0000000040)='syz0\x00') syz_genetlink_get_family_id$ipvs(&(0x7f0000000100)='IPVS\x00') sendmsg$NFQNL_MSG_VERDICT(r0, &(0x7f0000000500)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000004c0)={&(0x7f00000002c0)={0x1f4, 0x1, 0x3, 0x3, 0x0, 0x0, {0x1, 0x0, 0x9}, [@NFQA_VERDICT_HDR={0xc, 0x2, {0xfffffffffffffffb}}, @NFQA_EXP={0x164, 0xf, 0x0, 0x1, [@CTA_EXPECT_HELP_NAME={0xf, 0x6, 'sane-20000\x00'}, @CTA_EXPECT_CLASS={0x8, 0x9, 0x1, 0x0, 0x2}, @CTA_EXPECT_TUPLE={0x4}, @CTA_EXPECT_ID={0x8, 0x5, 0x1, 0x0, 0x6}, @CTA_EXPECT_ZONE={0x6, 0x7, 0x1, 0x0, 0x2}, @CTA_EXPECT_NAT={0x70, 0xa, 0x0, 0x1, [@CTA_EXPECT_NAT_TUPLE={0x50, 0x2, 0x0, 0x1, [@CTA_TUPLE_IP={0x2c, 0x1, 0x0, 0x1, @ipv6={{0x14, 0x3, @mcast2}, {0x14, 0x4, @ipv4={[], [], @private=0xa010101}}}}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x21}}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x84}}, @CTA_TUPLE_ZONE={0x6, 0x3, 0x1, 0x0, 0x2}]}, @CTA_EXPECT_NAT_TUPLE={0x1c, 0x2, 0x0, 0x1, [@CTA_TUPLE_ZONE={0x6, 0x3, 0x1, 0x0, 0x4}, @CTA_TUPLE_ZONE={0x6}, @CTA_TUPLE_ZONE={0x6, 0x3, 0x1, 0x0, 0x1}]}]}, @CTA_EXPECT_CLASS={0x8, 0x9, 0x1, 0x0, 0x78b5f03c}, @CTA_EXPECT_HELP_NAME={0x9, 0x6, 'pptp\x00'}, @CTA_EXPECT_TUPLE={0xa8, 0x2, 0x0, 0x1, [@CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x2f}}, @CTA_TUPLE_ZONE={0x6, 0x3, 0x1, 0x0, 0x3}, @CTA_TUPLE_ZONE={0x6, 0x3, 0x1, 0x0, 0x4}, @CTA_TUPLE_IP={0x2c, 0x1, 0x0, 0x1, @ipv6={{0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, {0x14, 0x4, @local}}}, @CTA_TUPLE_IP={0x2c, 0x1, 0x0, 0x1, @ipv6={{0x14, 0x3, @private2}, {0x14, 0x4, @private2}}}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x1}}, @CTA_TUPLE_IP={0x14, 0x1, 0x0, 0x1, @ipv4={{0x8, 0x1, @local}, {0x8, 0x2, @broadcast}}}, @CTA_TUPLE_ZONE={0x6}, @CTA_TUPLE_ZONE={0x6}]}, @CTA_EXPECT_CLASS={0x8, 0x9, 0x1, 0x0, 0xfffffffb}]}, @NFQA_VLAN={0xc, 0x13, 0x0, 0x1, [@NFQA_VLAN_TCI={0x6, 0x2, 0x1, 0x0, 0x7}]}, @NFQA_EXP={0x64, 0xf, 0x0, 0x1, [@CTA_EXPECT_HELP_NAME={0x9, 0x6, 'pptp\x00'}, @CTA_EXPECT_MASK={0x54, 0x3, 0x0, 0x1, [@CTA_TUPLE_IP={0x2c, 0x1, 0x0, 0x1, @ipv6={{0x14, 0x3, @local}, {0x14, 0x4, @dev={0xfe, 0x80, [], 0x28}}}}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x3a}}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x6}}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x1}}]}]}]}, 0x1f4}, 0x1, 0x0, 0x0, 0x240080c1}, 0x4000000) openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x802, 0x0) ppoll(&(0x7f0000000100), 0x0, &(0x7f0000000140), 0x0, 0x0) [ 1643.901234][T10419] batman_adv: batadv0: The MTU of interface vlan1393 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:40 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1e4, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:40 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x39, &(0x7f0000000140), 0x0, 0x0) [ 1644.093814][T10419] batman_adv: batadv0: Not using interface vlan1393 (retrying later): interface not active [ 1644.167887][T10416] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:40 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0f4}], 0x2}}], 0x1, 0x0) 00:17:40 executing program 5: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r0, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) getsockopt(r0, 0x9, 0x5, &(0x7f0000000280)=""/184, &(0x7f0000000000)=0xb8) ioctl$VIDIOC_S_EXT_CTRLS(r0, 0xc0205648, &(0x7f00000001c0)={0xa00000, 0x149f, 0x81, 0xffffffffffffffff, 0x0, &(0x7f0000000180)={0x99096f, 0x0, [], @value64=0xcdd9}}) setsockopt$IPT_SO_SET_ADD_COUNTERS(r1, 0x0, 0x41, &(0x7f0000000340)=ANY=[@ANYBLOB="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"], 0x58) r2 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r2}], 0x1, &(0x7f0000000140), 0x0, 0x0) 00:17:40 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0f3}], 0x2}}], 0x1, 0x0) 00:17:40 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$fou(&(0x7f0000000080)='fou\x00') sendmsg$FOU_CMD_GET(r5, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r6, 0x1, 0x0, 0x0, {}, [@FOU_ATTR_PEER_V4={0x8, 0x3, @empty}]}, 0x1c}}, 0x0) sendmsg$FOU_CMD_DEL(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r6, 0x20, 0x70bd26, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x8804}, 0x80) dup3(r3, r1, 0x0) r7 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x1000, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {}, {0x0, 0x0, 0x0, [], 0x1}]}}) ioctl$KVM_RUN(r7, 0xae80, 0x0) 00:17:40 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3b2}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:40 executing program 5: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r0, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$EVIOCGREP(r0, 0x80084503, &(0x7f0000000000)=""/112) r1 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r1}], 0x1, &(0x7f0000000140), 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) setsockopt$inet_sctp6_SCTP_EVENTS(r2, 0x84, 0xb, &(0x7f00000001c0)={0x0, 0x9, 0x1, 0x5, 0x8, 0x0, 0xf9, 0x1, 0x0, 0x3f, 0x0, 0x4, 0x1, 0x1}, 0xe) [ 1644.774888][T10472] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1644.826079][T10470] netlink: 'syz-executor.3': attribute type 3 has an invalid length. 00:17:41 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0f5}], 0x2}}], 0x1, 0x0) 00:17:41 executing program 3: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r0, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$SNDCTL_DSP_SPEED(r0, 0xc0045002, &(0x7f0000000000)=0x401) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r4, 0xae60) dup3(r4, r2, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r2, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) [ 1645.141021][T10480] batman_adv: batadv0: Adding interface: vlan1394 [ 1645.172289][T10480] batman_adv: batadv0: The MTU of interface vlan1394 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1645.352575][T10480] batman_adv: batadv0: Not using interface vlan1394 (retrying later): interface not active 00:17:41 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1e5, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1645.462145][T10472] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:41 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x0, 0x1}, {0x0, 0x0, 0x3}, {}, {0x0, 0x7, 0x4}, {0x0, 0x0, 0x0, [], 0x4}, {}, {0x0, 0x0, 0xfc}, {}, {}, {0x0, 0xfd}, {}, {0x0, 0x3}, {}, {}, {}, {}, {0x0, 0x2}, {0x0, 0x0, 0x81}, {}, {}, {0x0, 0x0, 0x2, [], 0x2}, {}, {0x0, 0x0, 0x20}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:17:41 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3b8}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:41 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0f4}], 0x2}}], 0x1, 0x0) [ 1645.726314][T10524] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:42 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) syz_usb_connect$printer(0x6, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="1201010abfac3f002505a8a440000102030109021b000101ff307809040009010701029309050102ff0324089a"], &(0x7f0000000180)={0xa, &(0x7f00000000c0)={0xa, 0x6, 0x300, 0x2, 0x5, 0x0, 0x8, 0x80}, 0x5, &(0x7f0000000100)={0x5, 0xf, 0x5}, 0x2, [{0xf9, &(0x7f0000000400)=@string={0xf9, 0x3, "de7390ecf40f4ad704dddfaf742d7c0559f875cabedfe6fd1d434bd8bea08f197f9b033c1dd560d6d7c855a81ddfb615f752888d76c993fb17cdc6d37cf668c39e5f58daa3a87131f4dc78376b00c15aeec9ae6e2a8cbfebc888536254b831d53eabe669e6f074653488dd7698d9468a7208363273567e3c36d1aaf1462b62c8494dffb34de4a89e8e243905633041b4c611ba81547e67ee2907259d75ec6667e4e5ef78aeb708c1c0f0a4cfb919178c420bc8f6d9419848261b9c5d0946223136410e860650415edbcfc2b445a7acb4f21188e6a61037fdfd99c4837b7ab0d6b9a6c99031d043337d4e57fe5dd421b2a98879403e0863"}}, {0x4, &(0x7f0000000140)=@lang_id={0x4, 0x3, 0x457}}]}) dup3(r3, r1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000540)='TIPC\x00') sendmsg$TIPC_CMD_GET_BEARER_NAMES(r4, &(0x7f0000000600)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000580)={0x1c, r5, 0x800, 0x70bd27, 0x25dfdbfe, {}, ["", "", "", "", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x4000800) r6 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x80000000) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {0x0, 0x0, 0x20}, {}, {0x0, 0x0, 0x5}, {}, {}, {0x0, 0x0, 0x2}, {}, {0x0, 0xfd}, {}, {}, {0x0, 0x0, 0x0, [], 0x40}, {0x4, 0x0, 0xfe}, {}, {}, {0xf0}]}}) ioctl$KVM_RUN(r6, 0xae80, 0x0) [ 1646.070149][T10529] batman_adv: batadv0: Adding interface: vlan1395 [ 1646.114898][T10529] batman_adv: batadv0: The MTU of interface vlan1395 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1646.281091][T10529] batman_adv: batadv0: Not using interface vlan1395 (retrying later): interface not active 00:17:42 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1e6, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1646.352552][T10524] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:42 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x0, 0x0) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000140), 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$NS_GET_NSTYPE(r1, 0xb703, 0x0) openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcsa\x00', 0x8200, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$SIOCGSTAMP(r3, 0x8906, &(0x7f0000000280)) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r4 = pkey_alloc(0x0, 0x0) pkey_free(r4) pkey_free(r4) setsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(0xffffffffffffffff, 0x84, 0x7, &(0x7f0000000240)={0x89}, 0x4) fadvise64(r2, 0x4, 0x7, 0x3) r5 = openat(r1, &(0x7f0000000000)='./file0\x00', 0xc0540, 0x85) ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r5, 0x40a85321, &(0x7f0000000180)={{0x0, 0x2}, 'port0\x00', 0x15, 0xc11, 0x3, 0x10001, 0xfffffffd, 0x2, 0x7ff, 0x0, 0x1, 0x5}) 00:17:42 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3c2}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:42 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x101000, 0x0) ioctl$CAPI_CLR_FLAGS(r4, 0x80044325, &(0x7f00000000c0)=0x1) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) [ 1646.572463][T10563] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:42 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0f6}], 0x2}}], 0x1, 0x0) 00:17:42 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$KVM_GET_VCPU_MMAP_SIZE(r4, 0xae04) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {0x1f}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) [ 1646.914353][T10566] batman_adv: batadv0: Adding interface: vlan1396 00:17:43 executing program 5 (fault-call:2 fault-nth:0): r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1646.948857][T10566] batman_adv: batadv0: The MTU of interface vlan1396 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1647.093541][T10566] batman_adv: batadv0: Not using interface vlan1396 (retrying later): interface not active [ 1647.113582][T10600] FAULT_INJECTION: forcing a failure. [ 1647.113582][T10600] name failslab, interval 1, probability 0, space 0, times 0 [ 1647.182537][T10563] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1647.197853][T10600] CPU: 0 PID: 10600 Comm: syz-executor.5 Not tainted 5.8.0-rc5-syzkaller #0 [ 1647.206531][T10600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1647.216581][T10600] Call Trace: [ 1647.219873][T10600] dump_stack+0x18f/0x20d [ 1647.224221][T10600] should_fail.cold+0x5/0x14 [ 1647.228815][T10600] should_failslab+0x5/0xf [ 1647.233233][T10600] kmem_cache_alloc_node+0x257/0x3c0 [ 1647.238537][T10600] __alloc_skb+0x71/0x550 [ 1647.242878][T10600] netlink_sendmsg+0x94f/0xd90 [ 1647.247652][T10600] ? netlink_unicast+0x7d0/0x7d0 [ 1647.252608][T10600] ? netlink_unicast+0x7d0/0x7d0 [ 1647.257545][T10600] sock_sendmsg+0xcf/0x120 [ 1647.261964][T10600] ____sys_sendmsg+0x6e8/0x810 [ 1647.266732][T10600] ? kernel_sendmsg+0x50/0x50 [ 1647.271407][T10600] ? do_recvmmsg+0x6d0/0x6d0 [ 1647.276006][T10600] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 1647.281985][T10600] ? _parse_integer+0x132/0x180 [ 1647.286842][T10600] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 1647.292823][T10600] ___sys_sendmsg+0xf3/0x170 [ 1647.297417][T10600] ? sendmsg_copy_msghdr+0x160/0x160 [ 1647.302715][T10600] ? __fget_files+0x272/0x400 [ 1647.307393][T10600] ? lock_downgrade+0x820/0x820 [ 1647.312251][T10600] ? find_held_lock+0x2d/0x110 [ 1647.317021][T10600] ? ksys_write+0x212/0x250 [ 1647.321531][T10600] ? __fget_files+0x294/0x400 [ 1647.326210][T10600] ? __fget_light+0xea/0x280 00:17:43 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = socket$inet_mptcp(0x2, 0x1, 0x106) ioctl$int_in(r2, 0x5421, &(0x7f0000000180)=0xffffffffffffff9b) bind$inet(r2, &(0x7f0000000000)={0x2, 0x4e24, @multicast2}, 0x10) connect$inet(r2, &(0x7f0000000480)={0x2, 0x4e24, @local}, 0x10) r3 = syz_genetlink_get_family_id$nl80211(0x0) sendmsg$NL80211_CMD_GET_STATION(r2, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000002c0)={&(0x7f0000000400)=ANY=[@ANYBLOB="1c008000", @ANYRES16=r3, @ANYBLOB="100025bd7000ffdbdf2511000000060010007407006d7f72c560b20f1699e7004d5d846b5d096838cef3344209283b9bd515c882aa1c2b52b504670a5e36b7adf1c0adcde0f216fb0a5f1d22185c8159fdd8ddf30ef3913a5b3eb65bfec37b8a2b6781a1a0c14e12"], 0x1c}, 0x1, 0x0, 0x0, 0x50}, 0x804) sendmsg$NL80211_CMD_GET_MPATH(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r3, 0x800, 0x70bd29, 0x25dfdbfd, {}, [@NL80211_ATTR_MAC={0xa, 0x6, @broadcast}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0x4}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0x3}]}, 0x30}, 0x1, 0x0, 0x0, 0x840}, 0x40004) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) r6 = getpid() sched_setscheduler(r6, 0x5, &(0x7f00000002c0)) ptrace$poke(0x5, r6, &(0x7f0000000000), 0x9) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) dup3(r5, r1, 0x0) r7 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {0x2}, {}, {}, {}, {0x0, 0x0, 0xff}, {}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {0x0, 0x0, 0x0, [], 0x2}, {0x0, 0x0, 0x0, [], 0x2}, {}, {}, {}, {}, {0x0, 0x0, 0x0, [], 0x8}]}}) ioctl$KVM_RUN(r7, 0xae80, 0x0) [ 1647.330906][T10600] __sys_sendmsg+0xe5/0x1b0 [ 1647.335408][T10600] ? __sys_sendmsg_sock+0xb0/0xb0 [ 1647.340447][T10600] ? do_syscall_64+0x1c/0xe0 [ 1647.345041][T10600] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 1647.351029][T10600] do_syscall_64+0x60/0xe0 [ 1647.355449][T10600] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1647.361338][T10600] RIP: 0033:0x45c1d9 [ 1647.365225][T10600] Code: Bad RIP value. [ 1647.369282][T10600] RSP: 002b:00007f53b9242c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1647.377686][T10600] RAX: ffffffffffffffda RBX: 0000000000026f80 RCX: 000000000045c1d9 [ 1647.385659][T10600] RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000003 [ 1647.393632][T10600] RBP: 00007f53b9242ca0 R08: 0000000000000000 R09: 0000000000000000 [ 1647.401599][T10600] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1647.409570][T10600] R13: 0000000000c9fb6f R14: 00007f53b92439c0 R15: 000000000078bf0c 00:17:43 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0f5}], 0x2}}], 0x1, 0x0) 00:17:43 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1e7, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:43 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3f2}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:43 executing program 5 (fault-call:2 fault-nth:1): r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1647.645605][T10631] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1647.672591][T10632] FAULT_INJECTION: forcing a failure. [ 1647.672591][T10632] name failslab, interval 1, probability 0, space 0, times 0 [ 1647.745205][T10632] CPU: 0 PID: 10632 Comm: syz-executor.5 Not tainted 5.8.0-rc5-syzkaller #0 [ 1647.753902][T10632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1647.763950][T10632] Call Trace: [ 1647.767249][T10632] dump_stack+0x18f/0x20d [ 1647.771583][T10632] should_fail.cold+0x5/0x14 [ 1647.776179][T10632] should_failslab+0x5/0xf [ 1647.780600][T10632] kmem_cache_alloc_node_trace+0x27d/0x400 [ 1647.786411][T10632] __kmalloc_node_track_caller+0x38/0x60 [ 1647.792048][T10632] __alloc_skb+0xae/0x550 [ 1647.796383][T10632] netlink_sendmsg+0x94f/0xd90 [ 1647.801156][T10632] ? netlink_unicast+0x7d0/0x7d0 [ 1647.806095][T10632] ? netlink_unicast+0x7d0/0x7d0 [ 1647.811031][T10632] sock_sendmsg+0xcf/0x120 [ 1647.815453][T10632] ____sys_sendmsg+0x6e8/0x810 [ 1647.820224][T10632] ? kernel_sendmsg+0x50/0x50 [ 1647.824902][T10632] ? do_recvmmsg+0x6d0/0x6d0 [ 1647.829501][T10632] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 1647.835566][T10632] ? _parse_integer+0x132/0x180 [ 1647.840681][T10632] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 1647.846665][T10632] ___sys_sendmsg+0xf3/0x170 [ 1647.851262][T10632] ? sendmsg_copy_msghdr+0x160/0x160 [ 1647.856549][T10632] ? __fget_files+0x272/0x400 [ 1647.861235][T10632] ? lock_downgrade+0x820/0x820 [ 1647.866091][T10632] ? find_held_lock+0x2d/0x110 [ 1647.870866][T10632] ? ksys_write+0x212/0x250 [ 1647.875374][T10632] ? __fget_files+0x294/0x400 [ 1647.880058][T10632] ? __fget_light+0xea/0x280 [ 1647.884655][T10632] __sys_sendmsg+0xe5/0x1b0 [ 1647.889161][T10632] ? __sys_sendmsg_sock+0xb0/0xb0 [ 1647.894201][T10632] ? do_syscall_64+0x1c/0xe0 [ 1647.898791][T10632] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 1647.904767][T10632] do_syscall_64+0x60/0xe0 [ 1647.909183][T10632] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1647.915073][T10632] RIP: 0033:0x45c1d9 [ 1647.918954][T10632] Code: Bad RIP value. [ 1647.922466][T10633] batman_adv: batadv0: Adding interface: vlan1397 [ 1647.923009][T10632] RSP: 002b:00007f53b9242c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1647.937790][T10632] RAX: ffffffffffffffda RBX: 0000000000026f80 RCX: 000000000045c1d9 [ 1647.945757][T10632] RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000003 [ 1647.952145][T10633] batman_adv: batadv0: The MTU of interface vlan1397 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1647.953719][T10632] RBP: 00007f53b9242ca0 R08: 0000000000000000 R09: 0000000000000000 00:17:44 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0f7}], 0x2}}], 0x1, 0x0) [ 1647.953728][T10632] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1647.953737][T10632] R13: 0000000000c9fb6f R14: 00007f53b92439c0 R15: 000000000078bf0c [ 1648.183143][T10633] batman_adv: batadv0: Not using interface vlan1397 (retrying later): interface not active [ 1648.240407][T10631] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:44 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x500}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:44 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1e8, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1648.438005][T10648] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:44 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0f8}], 0x2}}], 0x1, 0x0) [ 1648.689249][T10649] batman_adv: batadv0: Adding interface: vlan1398 [ 1648.720681][T10649] batman_adv: batadv0: The MTU of interface vlan1398 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:44 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1648.864434][T10649] batman_adv: batadv0: Not using interface vlan1398 (retrying later): interface not active [ 1648.920440][T10648] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:45 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0f6}], 0x2}}], 0x1, 0x0) 00:17:45 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x600}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1649.120500][T10667] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1649.379221][T10668] batman_adv: batadv0: Adding interface: vlan1399 [ 1649.400752][T10668] batman_adv: batadv0: The MTU of interface vlan1399 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1649.509434][T10668] batman_adv: batadv0: Not using interface vlan1399 (retrying later): interface not active 00:17:48 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x490580, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r6, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$VIDIOC_G_EXT_CTRLS(r6, 0xc0205647, &(0x7f0000004600)={0xa30000, 0x3, 0x0, 0xffffffffffffffff, 0x0, &(0x7f00000045c0)={0x9a0912, 0xffffffff, [], @string=&(0x7f0000004580)=0x53}}) getsockopt$inet_tcp_TCP_ZEROCOPY_RECEIVE(r7, 0x6, 0x23, &(0x7f0000004640)={&(0x7f0000ffb000/0x2000)=nil, 0x2000}, &(0x7f0000004680)=0x10) ioctl$KVM_SET_IRQCHIP(r5, 0x8208ae63, &(0x7f0000000400)={0x1, 0x0, @ioapic={0x3000, 0x7, 0x40, 0x3, 0x0, [{0xe3, 0x81, 0x20}, {0xf7, 0x2, 0x1, [], 0x80}, {0x8, 0x7f, 0x7, [], 0x1f}, {0x2, 0x8, 0x3f, [], 0x9}, {0x4, 0x10, 0xff, [], 0x2}, {0xf6, 0x49, 0x1, [], 0x40}, {0x8, 0x1, 0x7, [], 0x7}, {0x0, 0x81, 0x6, [], 0xf7}, {0xff, 0x3, 0x3, [], 0x69}, {0x1, 0x1, 0x40, [], 0xff}, {0x1f, 0xd7, 0x6, [], 0x18}, {0x5, 0x7f, 0x46, [], 0x1}, {0x7, 0x3, 0x33, [], 0x42}, {0x80, 0x3, 0x0, [], 0x3a}, {0xe1, 0x7f, 0x9, [], 0xf9}, {0x2, 0x9, 0x6, [], 0x4}, {0x1, 0x5, 0x4}, {0x3, 0x7f, 0x8, [], 0x43}, {0xff, 0x6f, 0x9, [], 0xff}, {0x10, 0x4, 0x6, [], 0x1f}, {0xc8, 0x5}, {0xa, 0x0, 0x7f, [], 0x73}, {0x7, 0x0, 0x9, [], 0x41}, {0x8, 0x5, 0x4, [], 0x1}]}}) 00:17:48 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1e9, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:48 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:17:48 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x700}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:48 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0f7}], 0x2}}], 0x1, 0x0) 00:17:48 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0f9}], 0x2}}], 0x1, 0x0) [ 1652.380697][T10697] __nla_validate_parse: 1 callbacks suppressed [ 1652.380705][T10697] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:48 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x2, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:17:48 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000400)='/sys/kernel/debug/binder/state\x00', 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) epoll_ctl$EPOLL_CTL_MOD(r1, 0x3, r2, &(0x7f0000000440)={0x30000002}) r3 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) r6 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000005c0)='/dev/sequencer\x00', 0x200, 0x0) recvfrom$phonet(r6, &(0x7f0000000600)=""/91, 0x5b, 0x40010002, &(0x7f0000000680)={0x23, 0x40, 0x6}, 0x10) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) dup3(r5, r3, 0x0) r7 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) sendmsg$IPCTNL_MSG_TIMEOUT_DEFAULT_SET(r1, &(0x7f0000000580)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x34, 0x3, 0x8, 0x101, 0x0, 0x0, {0xa, 0x0, 0x1}, [@CTA_TIMEOUT_NAME={0x9, 0x1, 'syz0\x00'}, @CTA_TIMEOUT_NAME={0x9, 0x1, 'syz1\x00'}, @CTA_TIMEOUT_L4PROTO={0x5, 0x3, 0x6}]}, 0x34}, 0x1, 0x0, 0x0, 0x80000}, 0x40) r8 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080)='TIPC\x00') sendmsg$TIPC_CMD_SET_LINK_WINDOW(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000480)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r8, @ANYBLOB="01020000000000000000010000000000000009d084b873bc65a84300056d62726f6164636173742d6c696e6b00007a860000000000000000000000000000000000000000000000000000000000000000000000000000000000811bb3a910a919c9d7372a62f3000000000000000000"], 0x68}}, 0x0) sendmsg$TIPC_CMD_GET_NODES(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x1c, r8, 0x200, 0x70bd29, 0x25dfdbfb, {}, ["", "", "", "", "", ""]}, 0x1c}}, 0x40080) ioctl$KVM_SET_IRQCHIP(r3, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {0x0, 0x0, 0x7}, {0x0, 0x4}, {0x5}, {}, {0x0, 0x1}, {}, {0x0, 0xfd}, {}, {0x0, 0x2}, {}, {}, {0x0, 0x0, 0xfc}, {0x80, 0xff}, {}, {0x0, 0x0, 0xfc}]}}) ioctl$KVM_RUN(r7, 0xae80, 0x0) [ 1652.718852][T10704] batman_adv: batadv0: Adding interface: vlan1400 [ 1652.751639][T10704] batman_adv: batadv0: The MTU of interface vlan1400 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1652.914121][T10704] batman_adv: batadv0: Not using interface vlan1400 (retrying later): interface not active [ 1652.998735][T10697] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:49 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x3, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:17:49 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$NBD_SET_TIMEOUT(r4, 0xab09, 0x9) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) 00:17:49 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x900}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:49 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1ea, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:49 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0f8}], 0x2}}], 0x1, 0x0) [ 1653.252280][T10752] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:49 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x4, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:17:49 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000140), 0xc, &(0x7f0000000200)={&(0x7f0000000540)=ANY=[@ANYRESDEC=r0, @ANYRES16, @ANYBLOB="040027bd70000000000002003e5ced7b8c814e9e00000c0006893d580080e581f910eae64400000c0002020200070000060000000002993c263b8704950128d6a33eed2457fcc850380a8a333c340d9134f4af2c789056c0fa4e86fdf496f2c99e68f103175c4466db60f291077259ab23a3f99ff28272e9331cabf7b50b7883fc35e0d9d250d6458867bf44215ce2cd72c4327eac2ce33d6a89f30ddaf510049a08ab5641c23d69bf6012f67aa63b0a87765cb8aee8ac0bd2d23c6fca4ef9cf46c6b05c8e288159a7e7"], 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x40000) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r2 = dup3(r0, 0xffffffffffffffff, 0x80000) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="100025bd7000fedbdf25050000000c00050004000000000000002c00078008000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="00020000", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="0c0005000000000000000000"], 0x58}}, 0x4000014) r5 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r6 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r7 = ioctl$KVM_CREATE_VM(r6, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r7, 0xae60) r8 = socket$kcm(0x29, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r8, 0x8933, &(0x7f0000000140)={'ip6erspan0\x00'}) dup3(r7, r5, 0x0) r9 = ioctl$KVM_CREATE_VCPU(r5, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r5, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0xfffffffc, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0, 0x0, [], 0x4}]}}) ioctl$KVM_RUN(r9, 0xae80, 0x0) [ 1653.715207][T10759] batman_adv: batadv0: Adding interface: vlan1401 [ 1653.787434][T10759] batman_adv: batadv0: The MTU of interface vlan1401 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:49 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) openat$nvram(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nvram\x00', 0x0, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) write$P9_RLOCK(r3, &(0x7f0000002540)={0x8, 0x35, 0x1, 0x1}, 0x8) vmsplice(r3, &(0x7f00000024c0)=[{&(0x7f0000000480)="365686041d9cccba5bb922930f238682ca95401c872fa5b9c8bcdd8e196ab069742ffa266da90c49f40d522281b0ea0806a97267a95f46956c93ec5d86452f6f2fdf373da957560128a9c862d23784f55b3331c49426bd2ef17a868b44aab97b685859aa9d0fe6f2fdca6cd8febe458c48a0f5304ded2007408e9c60640a834a8127f8bdca91f01fd8568108c0577de37cb2bc672b601e75b4d6f4124ef5de8610b8f047d9caf44c6e50ba66dc5d5e9132e5c4fa3da761cf2b7a6924e76bb4ce59f17a9e81da5a74328a52740f66129cee98c26f0ceb3d00219ad15bdbacdf0a3dc75dc447d12fc56d9a873d3e151a70dd319ab996b171431561923c9ea3e5724fc984550bd479ccb6a8e436043d46a8ab8650c4a4ba4f9b853232437e71908ffc5e32ad3c075cfc90334db2e557e239c8fd61c8ef8108e48e6de089e93896dc3564cbb73bf409dfea11af76f510154c02dd91c3f201c8947e6d5f71ab71579b06f76caed7391ceb0ab36a6e11779ddbff3e16eb564d688270a96e575f7425604590ebea867e14c2cf337f94d2b69cba6351b182d6ac102857a7e433d36aadd56876647c29a409069a83ac915ce5c43981c801aa872a70afe7bf5d4ded3c509a77e9ebcb5e1ee022d5630fff6cdf63e6fff03c0ecc235e451afa6199bc28a0cfb1ac31180afcae8e30e62f5ad38581407b4fb45dbf4b01170b9f2c5dd8510215e2a4b4ade989b03cce0803af8165912c7a2df79947b7614b53553bb4ba160cb4b64036a1726a1b89d82ececf56b0dbcde3db0c26ed2b0701f9c28c8740ec94cd2e496a99e682266ac630e5c48a857b34c7e671a8936d9b3ff11ce80885dcb34ca389e1af60bfbc234ea1006e9432f422304614f3de7cf3e4a7e74283d9c1e0120bfa64839462965c90c2cbf008497c2c0ab8f79449cc138156bc9106da0125cb999b8f5ada2cad38d12009b66a575f0908993bf8a2e6d2fb81200ff13b16612c91db739eba6e1d6e7a53975b0c33c9993a6c1a39b97f2521b171c37409f02ae40df7ae06a0bd43379c9c0221f03a0c1c816e145d782871626425f87e4fb20c91f96b978e28b4986f68c50609ba36e234fba79ef1544b58dcb7382dea1a3634eb1ef5cb7873a12c93d6a5ca4a1acdb3fb4c78af428daf6a3d23a98aa97b36ba1894419f53f71df1749b80ffca9c5b5c72ffc902014b58c63ccb596c83686ff7cafe4c3b7d7c0d3952e8d553ec46cc845ed2f34e856aaf5b415680e47ee025c2f08162f450fa3b798318f49927dbbbfba9106dc254049c4725ca704cb4289e25b190d56f338952abfd9305328617f04e28a82a5e815ca2c12ba63091b528c2f2660175481232bed1dcaeeb8f2068d9f2606ba8c6caeb22f08d17e9abf7cf31930f292656a0b7ce41f4553006962aa5aa8e36be7984b3b0e59ade80cfd58b9e0f7493e6ea3e02822f0be611b6556314ec8e5afa151eb898647f2ec512f3460bd1591de772fd10356d2d3fc6379ac97e1c33dc5a03989bd2e7468e373f8772ba9d64a87e91b93e3b3e9b2353045d2ffc773568499e5f9ef834fc14c8ddd71b9e713e16b377eb8afc949545ce08eee9fa9c72f7f5e58235dd588ca823890d0353803b9e0894c0f08539337024503b2fbbf2a5cc8d89e17c013c7245a47bda136f882af27b06a9d72b070d55b035d639a3d3ed98027e03a025929d1a7b0eb862ca3cf1b189dabe4118c610cda69f25e71ce522ac1568278e25a379c4f06f68e249ebfd5bd02b5b2d827f8150e2d9b3404b5e9dc721bba06dcb4f98b0e637e1984f704329c51954b161e9b6bae8373a2deba7180dcedf8c24d47db02cf502f26bc4417e69ce99cf8dd506ded3c6201e270fa40bc537202c7c35561e9f033a418af3622a2a8a61a455df0984e291592fc17ed71ed3bcdb09e2af9da3c11cd154103b8e70a1ffd7c61437689dc11ad1980efdd26ce6b5a5cc36e2d84bcd73b923251de5ba67c36d592461712f32726ea4dbb64ecdb44d4b216f5bc35dddfbcecc71ead487e66be081fe6d76d8f2456e183570e287f4f47c52019d68d367c2349e46316dd139d380fa10da787b726d685584e7280ee4ff0f446e9c5a1c91b1257f4aa90d6685a166636207a9bb6d5e184a23ddf2fb6a1e242ff874a74af29c96015266fdee73375444f319c9e29ee36d4ed1e777196e874775f6728d8fe74b9d5ffc1f51a88e56e0114bf6b12c9cbb166bcb5d25ac26309884f27d621dc77fbdf050ba1ece321cd8d8fabe2aac4fa69a64e7348199e9a40e15543a79e805b266e4cdd1f36a05bdfade8b11bb84b478723468fccae86bb71e905f78b69763d40e17a4df57f05458b2b501a4101811050d82a14151c2156b5c092c0ca8006671f9e05e781bf74b45068a5caef7e7b0e158fdc9e9203dd184cb7f7a336a8aa0d01d8ab6a6aff83b6be0064e9632ada26fb01d98e3a365c61f56b5d86967209ffc7b6ba90522c71779bfffcaa8d0cb40e1ed553b3d4fd9f30e82e2659f7aef5fe9382cbaac07e57771c7fb5bff82fdfa2873d0a4255495f0f13af56a86b6e35ead9bcf190dd929a34946888ebc825a368771857ce142febef67d6e36ee6f761d0b23f9b4b75b807c518bc50672ffb2ffa133fe3bae58e6efedbd45a44956da92878733b45878aa5e02f9c0763df134d03cec93d075ea0138e44a1fb209c2e779b76addf9a97a33b60486ab6565578a5d84f2352749eb1d2875852eea58c3b01c4b479776046c7c4c770fb1e836908b91c0a1bb5f3697eeb3274fe93afa51b804813569395759c13ca84bdfb6e2d12ba572692b87891395aee03717e927e200215b93d53b7e9e0b2934787b164a9899930da05622f8d2d615639b2f5b8d05adc60fae5f3f10c43545d38f8150db786d34ce016e9c9c34fbd9f3c4c999c3d3e9bf2fc6ba0112f78d6970ec4ad0e2022950c60220b7421cbe28b28db425e9d9130b5c07bb2f8947c79f2459e076dfaaddd5355547d6a7b3c69fa181843aaebcf14f96a28565399dcc1d4432b05e6d2cf4beffd5581a2b71e732a678ef3303cdd8806e9ce9b3211d785718f5951664355fa29022363b1e55a0644f887929c8831f091b7443f046171d39004e7fec15041356b6b02eccf89d55215b8c64eb621e963df7a46f8d52a09cacae05dafbf57e053076b69e650340c4785a38aa586c793400b4890d0bdf7967ee609638bbfa3ff4062ede34178d40b377853da587bf4aff0b8deeffcf3def1e1c1cedf8de5275b58f1f0d77485f4d96ba105209b5ba66193d5258b7144c956f67bafa1260cb7175586f4d5e9da578beadbf26c4b33703a126cc32ab25d9093337e8b2585cf5b41af5f9b142f87e633ad62206be80f0ce0ac60e6210f3de8c2a38679cdc83bcabb719c36647abb9ce8ebd57399c3615508aa25acfef66f3541431782e07acb55d0360f1f319caf51fdc6fd5872c8486db526ac689d7ed979fd2f1ef148feb287b83c03d1ab0f2482c070bf645f2c943ef969adde9648645a2fc581a1b02a2dc97efd22a8b75e47853d980f6ceb8e4bdddf8bc9b54b047df37f6c9ff069e10aff7d7b9f3e9b156f7fca2dd738e80907fab5b404ec6543983098c2b873626db184adbbfac484d35662ba2466b0527f22f0a7937c58846cfa1218a3e06ef08ec86e60b8ba77ee04128e1434f9ed1e33942cc92d0ec4489dd3cb0a1f2263b3d0e4cd196afc62254a3f7b01e96d2180de661a27a29a458f153bdb4a80e66a3569af85d03d8c77cffad27da661efc30359f56a56ae7df7d675aa24738ffa9a2097f383ea151a47a873182b17dc7be2d53f085c9696067ad23a212bdbe00c9b5fe0b2f63b088c00d607fa15d3e7373734e3ea81acb1a63c280e98f144a4b3da7a45ff538ae9670360490f82dd5a2d00a4e066fb5175d6f133f9602f1aaf2768ce41d191d7f88dfd190cf9d809b4552792f6794cf00f32d36d9f76e1435a22bf37b9595920112f07d934cd6d92ae8b8eb2288faae88d3641bd69fd603d7514c46001c71353befed63ed4a0f669ae577b1477565bbe6c015b489bfbb8fcfa4e5d78dde7936d3c0ae215b161df0282730cbc3fc584bdc239dc6f2919316cd3a84caf6605b173199361ba051a0536fb86070591100119b56317f914b42974120180e910110ccfed9343e1b0dd261f4f8256e564182da656d83509f603ab6e96579178949a5a0bf6211aaa6a1064c93e0078835efda3929beebd0013e0bcc95a5104ff70be960338e80ab6e39b81dd2a185d9ddb9af80da08665f9cf8e50c5e4dd1d8b604637315095188dd34b5de607f7aa2116af86c874612b6bf276e70728b5ae16458e3188f3d0edd29222375202ce81dbcbf852c2ddffc5403d9efd3314403ba8dfe1fe981b25ed9ff4ff3b083ce1f042abef96af2d6449eabcd82062f99eb16c1f76c3d75daa9c60b81bb5d6d423366680c89d5762187035adf1faa1baf5e57a6db46340b896cebfc58bd365c3840abbd256ad54ef7227deb42722b9275a8695ce0f70c9c43d411c0b92c86e6e0f2fc48d3cea39cea1ebd1b57bd74531b33627da21219892b90d7f49711594dbc7d87fdebeb20c963ba02fd6456ae5bf9845d222e4dde12f13bea7d291972ea91d646ef4eb05347130ce8051181f01c7c448f5916f851d17f82ed901eaa62d31d7a25c93ccecdd37cb7742bf0f274de293578ae40cea8f5485372356185ade4e5ffa9200d72ae32f3008ec7b8376ec05dd38c7cb2f734c29e1500e5fb06c576024f52c1fdb33747f1c59e6f02409ea3fa5b032244db79f3d1a8d46d494e1d4c81121b7e56c66d30a21083bd7996f1ff9835aefcfe9f8be7669e1a5031b84992d39b80dfa18acf076fa4438bd35b9587a87e40c82e5ba5c53c5a10c8faa80c100a27f0dfc29bdeccb2f75ed17c49fb2accb87fdac109a1644b0b79d33948e69b84e6f65fd5edef3d27f2826988adde94d18674e758031dba007f5a549eb7c567bc69de6f233fe9344370cc36c0c05a9302a06747001aaf2d7c5228f5d87276e842ea9ad0dbf15ebe54d0224ecbd593c84d34046e6edc8e2fe5265d16313d8555e5b16b678979f767e01955b0412d1b53f435f7b4096da63db39e6fc87fd6090f4637b1462c32d13c29fdb2f9ca08651247da06572470c941997aa3d225e0a11e1d9c6c6e1ab062bf058868fbdbb9c0a9a6637774616e56ab3e803aa6e1efb61de7b5f26e822acd6be4bba2f44004e98e968e297fff8a0c816649a4927e83df63a7ada9fec1994d7c09da06dd4a01d8a6fb21e9e74bff11b8767803df8cd9b63e5d33218c649680c3eb4f6658f3e46396f9db8dd2a609f978a912eedb26be0917d47c4499522d5114dc7d6a9cc6c94a3b0f25c6be6630dc2c095531866247a73b85fee83a15a3b79a4b396e80b34cc6911ca5673ce3f57a894f2cc5b96025225045d531f05a8ea6f1eae824c16ce0987fd943d499b4678be9a2cb967ec9b317ac293a2445655db5b9499ba4804970f38554d590c73f7d0451bf168ed1a32cdc828d6da34225f24445f80da693c59abfca53964bac3cc3a6ab1377bdc981899da6a8508385e60fa14aaccd48f3dd4fb013f17432a465b7ec6b81e5a09efa057bebdee84f263337d2fe4704b9a7d21c26d9beabcfedd93b8c1f25dd484f2c684d5ab9179f3faeb930b3c9f9367d757ed94e730c301f2cf07ee761069f97113d7637317abb2e5d7511691dec9ec137bb45b196144473f5f8f28e6fec466545d3d95462ff04885a45fd8e246726adcf5e7174", 0x1000}, {&(0x7f0000001480)="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", 0x1000}, {&(0x7f0000002480)="6c197c719f82a444f0fc610740801484288fa91ab4d73b99422caa0bc6470d26377539a95defa269eaace3d1d70cc6165b10523dbbc72c56bc23ea25", 0x3c}], 0x3, 0x6) r4 = syz_genetlink_get_family_id$tipc(&(0x7f0000000140)='TIPC\x00') sendmsg$TIPC_CMD_GET_NODES(r3, &(0x7f0000000440)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000180)={0x1c, r4, 0x2, 0x70bd26, 0x25dfdbfd, {}, ["", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x24004020}, 0x844) r5 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) dup3(r5, r1, 0x0) r6 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xfc}, {}, {0x0, 0x2}, {0x0, 0x0, 0x4}, {0x0, 0xfd, 0x0, [], 0xfe}, {}, {0x0, 0x0, 0x4, [], 0x2}, {0x0, 0x6}, {0x0, 0x0, 0x0, [], 0x9}, {0x0, 0xbd}, {0x0, 0x4}, {0x0, 0x0, 0x0, [], 0x2}, {}, {0x0, 0x0, 0xfd}, {}, {}, {}, {0x0, 0x0, 0x0, [], 0x1f}, {0x0, 0x0, 0x7}, {}, {}, {0x0, 0x0, 0x2, [], 0xb2}, {}, {0xfc}]}}) ioctl$KVM_RUN(r6, 0xae80, 0x0) creat(&(0x7f0000002500)='./file0\x00', 0x10b) [ 1653.890736][T10759] batman_adv: batadv0: Not using interface vlan1401 (retrying later): interface not active [ 1653.930411][T10752] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:50 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x5, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:17:50 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0fa}], 0x2}}], 0x1, 0x0) 00:17:50 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xa00}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:50 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x8, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:17:50 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = socket$inet_tcp(0x2, 0x1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$KVM_CHECK_EXTENSION(r4, 0xae03, 0x5) ioctl$sock_SIOCGIFVLAN_GET_VLAN_REALDEV_NAME_CMD(r3, 0x8982, &(0x7f0000000100)={0x8, 'gre0\x00', {'veth1_to_hsr\x00'}, 0x7}) r5 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) dup3(r5, r1, 0x0) r6 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_RUN(r6, 0xae80, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r7, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$PERF_EVENT_IOC_QUERY_BPF(r7, 0xc008240a, &(0x7f0000000000)=ANY=[@ANYBLOB="0300000000000000cb6e931508d414ef00000000"]) write$snddsp(0xffffffffffffffff, &(0x7f0000000400)="11811870377503b69dfb7736748c0a553dbecac07ebc471cd6bdc3d622a128154a6a7e7bf4d162cd4a4441d5648bf7b2f7ddc2b5aa15e8cb77302cd32b1c98b3f58eeb7512b843fd82322d993d0773ef411b3a2c710e733e4b3622221556ac54981fa11ffa493f958075f67a010100a6cfe3f0658b8052871b001f55ebac093e388403f96cc0f44a8952ea4bcb7eeb2168b1264a51780479e37a3d10c4ffd4182a0ac90403cb2940795564cac3a822e1bc358ae3f9dd5066912667e49def43b43425839e62b69236e714d2144ae79d0f73b3cfa858397d1e6d", 0xd9) ioctl$SG_SET_TIMEOUT(r7, 0x2201, &(0x7f0000000140)=0x6) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x7, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {0x0, 0x2}, {0x0, 0x0, 0x0, [], 0x1}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x9}]}}) ioctl$KVM_RUN(r6, 0xae80, 0x0) [ 1654.220098][T10820] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:50 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1eb, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:50 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0f9}], 0x2}}], 0x1, 0x0) [ 1654.481486][T10823] batman_adv: batadv0: Adding interface: vlan1402 [ 1654.514352][T10823] batman_adv: batadv0: The MTU of interface vlan1402 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1654.682961][T10823] batman_adv: batadv0: Not using interface vlan1402 (retrying later): interface not active [ 1654.780322][T10820] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:50 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x9, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:17:50 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) r4 = dup3(r3, r1, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) setsockopt$inet6_udp_int(r4, 0x11, 0x67, &(0x7f0000000000)=0x2, 0x4) 00:17:51 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc00}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:51 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0fb}], 0x2}}], 0x1, 0x0) 00:17:51 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0xe, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1655.072747][T10865] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:51 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1ec, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:51 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r5 = dup(r4) ioctl$SG_IO(r5, 0x2285, &(0x7f0000001400)={0x0, 0xfffffffffffffffe, 0x11, 0xfc, @buffer={0x0, 0x1000, &(0x7f0000000400)=""/4096}, &(0x7f0000000000)="01aad2d43442807d3f9066522289e21cc8", &(0x7f00000000c0)=""/161, 0x4, 0x2, 0x3, &(0x7f0000000180)}) r6 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r6, 0xae80, 0x0) r7 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000001480)='/sys/kernel/debug/binder/transaction_log\x00', 0x0, 0x0) sendmsg$RDMA_NLDEV_CMD_SYS_GET(r7, &(0x7f0000001580)={&(0x7f00000014c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000001540)={&(0x7f0000001500)={0x38, 0x1406, 0x100, 0x70bd2d, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}]}, 0x38}, 0x1, 0x0, 0x0, 0x14}, 0x84) 00:17:51 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0fa}], 0x2}}], 0x1, 0x0) [ 1655.441188][T10873] batman_adv: batadv0: Adding interface: vlan1403 [ 1655.466140][T10873] batman_adv: batadv0: The MTU of interface vlan1403 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1655.600659][T10873] batman_adv: batadv0: Not using interface vlan1403 (retrying later): interface not active [ 1655.713671][T10865] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:51 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xa) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000280)=ANY=[@ANYBLOB="4800000010000507000000000000000000000002", @ANYRES32=r4, @ANYBLOB="0000400000000002280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="2000000014002101008000000000000002000000", @ANYRES32=r4, @ANYBLOB="08000200ac"], 0x20}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000240)=@ipv4_newaddr={0x20, 0x14, 0x121, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, r4}, [@IFA_LOCAL={0x8, 0x2, @multicast2}]}, 0x20}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=@ipv4_deladdr={0x18, 0x15, 0x1, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, r4}}, 0x18}}, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) r6 = dup2(r5, r5) getsockopt$inet_IP_IPSEC_POLICY(r6, 0x0, 0x10, &(0x7f0000000500)={{{@in=@remote, @in=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@initdev}, 0x0, @in6}}, 0x0) lsetxattr$security_capability(&(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='security.capability\x00', &(0x7f00000002c0)=@v3={0x3000000, [{0x800, 0x5}, {0x81, 0x5}], r7}, 0x18, 0x0) setsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f00000000c0)={{{@in=@initdev={0xac, 0x1e, 0x1, 0x0}, @in=@remote, 0x4e24, 0x0, 0x4e22, 0x0, 0x2, 0x20, 0x0, 0x3c, r4, r7}, {0x9, 0x7, 0x18, 0x6a, 0x3, 0x87bd, 0x8, 0xb3fd}, {0x7f, 0x2, 0x80ae}, 0x0, 0x0, 0x0, 0x1, 0x2, 0x3}, {{@in6=@dev={0xfe, 0x80, [], 0x31}, 0x4d3, 0x33}, 0xa, @in=@remote, 0x3507, 0x4, 0x1, 0x81, 0x7, 0xe3fd184b, 0x1}}, 0xe8) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r8 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r8, 0xae80, 0x0) 00:17:51 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0fc}], 0x2}}], 0x1, 0x0) 00:17:52 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0xf, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:17:52 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe00}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:52 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$CAPI_REGISTER(r4, 0x400c4301, &(0x7f0000000000)={0x7fffffff, 0x4, 0x800}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) setxattr$trusted_overlay_origin(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='trusted.overlay.origin\x00', &(0x7f00000004c0)='y\x00', 0x2, 0x6) ioctl$SNDRV_TIMER_IOCTL_START(r5, 0x54a0) dup3(r3, r1, 0x0) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r6, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r7 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r7, &(0x7f0000000000)={0x0, 0x4, &(0x7f0000000080)=[{&(0x7f0000000200)="2e0400005500810ce00f80ecdb4cb9f207c804a00d00000002002efb0a0002000a0ada1b40d805000300c50083b8", 0xfec9}], 0x1, 0x0, 0x0, 0x5865}, 0x0) ioctl$KVM_SET_MSRS(r6, 0x4008ae89, &(0x7f0000000400)=ANY=[@ANYBLOB="0a00000000000000d80a00000000000006000000000000006308000000000000ffff000000000000c15f13dfa067d03706000000000000003c0900000011afeb8100000000000000d50a00000000000009000000000000001b01000000000000890c000000000000100a0000000000005107000000000000ab08000000000000223a00000000000089090000000000000000000000000000b703000000000000ff03000000000000"]) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {0x0, 0x0, 0x0, [], 0x4}, {}, {}, {0x0, 0xfd}, {0x0, 0x0, 0x0, [], 0xa4}]}}) [ 1656.173851][T10941] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:52 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x60, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:17:52 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0fb}], 0x2}}], 0x1, 0x0) [ 1656.407676][T10943] batman_adv: batadv0: Adding interface: vlan1404 [ 1656.421277][T10943] batman_adv: batadv0: The MTU of interface vlan1404 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1656.452654][T10943] batman_adv: batadv0: Not using interface vlan1404 (retrying later): interface not active [ 1656.474274][T10948] netlink: 1046 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1656.511354][T10948] PF_BRIDGE: br_mdb_parse() with invalid attr 00:17:52 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffe}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:52 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0xf0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1656.572719][T10967] PF_BRIDGE: br_mdb_parse() with invalid attr 00:17:52 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1ed, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:52 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {0x0, 0x0, 0x2}, {}, {}, {}, {}, {}, {0x0, 0x3f}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0, 0x0, [], 0xff}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:17:52 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0fd}], 0x2}}], 0x1, 0x0) [ 1656.962700][T10980] batman_adv: batadv0: Adding interface: vlan1405 [ 1657.012358][T10980] batman_adv: batadv0: The MTU of interface vlan1405 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:53 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) openat$nvram(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nvram\x00', 0x100, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$SNAPSHOT_S2RAM(r5, 0x330b) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1657.137691][T10980] batman_adv: batadv0: Not using interface vlan1405 (retrying later): interface not active 00:17:53 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x300, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:17:53 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x1200}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:53 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0fc}], 0x2}}], 0x1, 0x0) 00:17:53 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x500, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1657.400514][T11022] __nla_validate_parse: 4 callbacks suppressed [ 1657.400523][T11022] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:53 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) signalfd4(r2, &(0x7f0000000000)={[0x3]}, 0x8, 0x80000) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1657.609074][T11026] batman_adv: batadv0: Adding interface: vlan1406 [ 1657.631925][T11026] batman_adv: batadv0: The MTU of interface vlan1406 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1657.695060][T11026] batman_adv: batadv0: Not using interface vlan1406 (retrying later): interface not active [ 1657.736103][T11022] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:53 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1ee, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:53 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2000}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:53 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x900, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:17:53 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0fe}], 0x2}}], 0x1, 0x0) 00:17:54 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) prctl$PR_GET_ENDIAN(0x13, &(0x7f0000000100)) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$FS_IOC_FSGETXATTR(r4, 0x801c581f, &(0x7f0000000000)={0x8, 0x4, 0x0, 0x3, 0x1f}) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {0x1}, {}, {0x0, 0x0, 0x5}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {0x0, 0x0, 0x0, [], 0x4}, {0x81}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) [ 1657.970546][T11062] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:54 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0xe00, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:17:54 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$F2FS_IOC_RELEASE_COMPRESS_BLOCKS(r4, 0x8008f512, &(0x7f0000000000)) dup3(r3, r1, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) r6 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vcsu\x00', 0x400, 0x0) ioctl$SG_SET_KEEP_ORPHAN(r6, 0x2287, &(0x7f0000000140)) ioctl$KVM_RUN(r5, 0xae80, 0x0) 00:17:54 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0fd}], 0x2}}], 0x1, 0x0) [ 1658.394201][T11066] batman_adv: batadv0: Adding interface: vlan1407 [ 1658.450209][T11066] batman_adv: batadv0: The MTU of interface vlan1407 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:54 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r6 = syz_genetlink_get_family_id$batadv(&(0x7f00000000c0)='batadv\x00') sendmsg$BATADV_CMD_SET_HARDIF(r5, &(0x7f0000000400)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x5c, r6, 0x2, 0x70bd2b, 0x25dfdbfe, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0xbe}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x1}, @BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x13}, @BATADV_ATTR_ISOLATION_MARK={0x8}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x80}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x2}, @BATADV_ATTR_GW_SEL_CLASS={0x8}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8084}, 0x4004) r7 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000440)='/dev/vcsa\x00', 0x8100, 0x0) ioctl$KVM_GET_EMULATED_CPUID(r7, 0xc008ae09, &(0x7f0000000480)=""/161) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1658.627777][T11066] batman_adv: batadv0: Not using interface vlan1407 (retrying later): interface not active 00:17:54 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1ef, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1658.743980][T11062] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:54 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x9ffff540}], 0x2}}], 0x1, 0x0) 00:17:55 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x107802, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {0x0, 0x0, 0xfd, [], 0x1}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0, 0x5}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) 00:17:55 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0xf00, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:17:55 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2a01}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1659.215219][T11144] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:55 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0, 0x2}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:17:55 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x15b8, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:17:55 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) r4 = dup3(r3, r1, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) r6 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0)='nl80211\x00') sendmsg$NL80211_CMD_NEW_STATION(r4, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x38, r6, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NL80211_ATTR_STA_SUPPORTED_RATES={0x11, 0x13, "874562f80f41711c616daea367"}, @NL80211_ATTR_REASON_CODE={0x6, 0x36, 0x3f}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0x3}]}, 0x38}, 0x1, 0x0, 0x0, 0x1}, 0x20000010) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) [ 1659.638875][T11151] batman_adv: batadv0: Adding interface: vlan1408 [ 1659.684840][T11151] batman_adv: batadv0: The MTU of interface vlan1408 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:55 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1f0, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:55 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x4}}], 0x1, 0x0) [ 1659.845619][T11151] batman_adv: batadv0: Not using interface vlan1408 (retrying later): interface not active [ 1659.927037][T11144] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:56 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff0fe}], 0x2}}], 0x1, 0x0) 00:17:56 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {0x0, 0x0, 0x8}, {}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {}, {}, {0x3d}, {}, {0x0, 0x0, 0x40}, {}, {}, {}, {0x0, 0x0, 0x0, [], 0x10}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:17:56 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x3f00, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:17:56 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3f00}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1660.267012][T11202] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:56 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) getsockopt$IP_VS_SO_GET_TIMEOUT(r4, 0x0, 0x486, &(0x7f0000000000), &(0x7f00000000c0)=0xc) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$KVM_ASSIGN_SET_MSIX_NR(r5, 0x4008ae73, &(0x7f0000000100)={0xfffffffb, 0x8}) dup3(r3, r1, 0x0) r6 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r6, 0xae80, 0x0) 00:17:56 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x8}}], 0x1, 0x0) 00:17:56 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1f1, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1660.759093][T11208] batman_adv: batadv0: Adding interface: vlan1409 [ 1660.777044][T11208] batman_adv: batadv0: The MTU of interface vlan1409 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:56 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$KVM_CREATE_VM(r5, 0xae01, 0x0) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:17:57 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x9ffff540}], 0x2}}], 0x1, 0x0) [ 1660.942139][T11208] batman_adv: batadv0: Not using interface vlan1409 (retrying later): interface not active 00:17:57 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x6000, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1661.066891][T11202] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:57 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4000}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:57 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) fcntl$setlease(r5, 0x400, 0x1) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {0x0, 0x0, 0x0, [], 0x5}, {}, {}, {0x0, 0x0, 0x3}, {}, {}, {0x0, 0x0, 0x1, [], 0xfe}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {}, {0x1f}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:17:57 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0xb815, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1661.296691][T11278] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:57 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x10}}], 0x1, 0x0) 00:17:57 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {}, {0x0, 0x0, 0x3}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:17:57 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1f2, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1661.682885][T11281] batman_adv: batadv0: Adding interface: vlan1410 [ 1661.705591][T11281] batman_adv: batadv0: The MTU of interface vlan1410 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1661.837875][T11281] batman_adv: batadv0: Not using interface vlan1410 (retrying later): interface not active 00:17:57 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040)='/dev/uinput\x00', 0x2, 0x0) openat$mice(0xffffffffffffff9c, &(0x7f0000000000)='/dev/input/mice\x00', 0x0) write$uinput_user_dev(r1, &(0x7f0000000400)={'syz1\x00'}, 0x45c) ioctl$UI_SET_EVBIT(r1, 0x40045564, 0x2) ioctl$UI_SET_RELBIT(r1, 0x40045566, 0x8) ioctl$UI_SET_EVBIT(r1, 0x40045564, 0x1) ioctl$UI_DEV_SETUP(r1, 0x5501, 0x0) ioctl$UI_DEV_DESTROY(r1, 0x5502) r2 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r4, 0xae60) dup3(r4, r2, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r2, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) [ 1661.909117][T11278] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:58 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4088}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:58 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0xf000, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1662.033628][T11332] input: syz1 as /devices/virtual/input/input10 00:17:58 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x4}}], 0x1, 0x0) [ 1662.369828][T11336] input: syz1 as /devices/virtual/input/input11 [ 1662.440355][T11350] batman_adv: batadv0: Adding interface: vlan1411 00:17:58 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1f3, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1662.473580][T11350] batman_adv: batadv0: The MTU of interface vlan1411 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:17:58 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x2}}], 0x1, 0x0) 00:17:58 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) r4 = dup3(r3, r1, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) accept4$packet(r4, &(0x7f0000000580)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000005c0)=0x14, 0x80000) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x8, 0x0, 0x0, [{0x2}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x4}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) pipe(&(0x7f0000000400)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r6, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) personality(0x6) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r7, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) recvfrom$phonet(r7, &(0x7f0000000440)=""/232, 0xe8, 0x2, &(0x7f0000000540)={0x23, 0x8, 0x0, 0x7}, 0x10) ioctl$DRM_IOCTL_GET_UNIQUE(r6, 0xc0106401, &(0x7f0000000000)={0x8d, &(0x7f00000000c0)=""/141}) [ 1662.623148][T11350] batman_adv: batadv0: Not using interface vlan1411 (retrying later): interface not active 00:17:58 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x30000, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:17:58 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x3}}], 0x1, 0x0) [ 1662.717965][T11343] __nla_validate_parse: 1 callbacks suppressed [ 1662.717974][T11343] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:58 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4800}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:59 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x34000, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:17:59 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x4}}], 0x1, 0x0) 00:17:59 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) write$nbd(r4, &(0x7f0000000400)=ANY=[@ANYBLOB="67440000c53d3b705f2ee000040090847cb382d6254dc5f272d27938c64cfbf015c9f32fa6963b72f642a98d22fafa6b95d9f159e42cc1d3f5f22b8bc81fb28136d3dc58531e81b92dbd1da02c4bb734f741"], 0x2d) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) r6 = add_key(&(0x7f0000000200)='user\x00', &(0x7f0000000240)={'syz', 0x0}, &(0x7f00000002c0)='4', 0xba, 0xfffffffffffffffe) keyctl$dh_compute(0x17, &(0x7f0000000100)={r6, 0x0, r6}, 0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={'vmac64(aes)\x00'}}) keyctl$set_timeout(0xf, r6, 0x0) r7 = add_key(&(0x7f0000000000)='id_legacy\x00', &(0x7f0000000140)={'syz', 0x2}, 0x0, 0x0, r6) ioctl$FS_IOC_ADD_ENCRYPTION_KEY(0xffffffffffffffff, 0xc0506617, &(0x7f0000000480)={{0x1, 0x0, @descriptor="b552dfb9f8938458"}, 0xe9, r7, [], "739f984d2c4af1a6f36819c044923c113152d782c106285e31e0eac724aebc5681dbae4a37f23d5f188de5cd9cefe0c03a08e7cef286b5da1b3eee8f697f597d72b39f3cab1b4ca4814a0d65f736477e4b4b9199050db1d81f85469bba3d5a56a55d46fef51667d8a1672d54089a0dba4d1b2a06b615d30650524144fcf226746300de497bd050dbfc1862111b35e80b011c8238ec44fd4f68fdb1a1c02ad98f6b04b7599a41000c4bd983b97050784d5424c9ec3cfddf745279c8a0174f55965034eb017d100025b22f6394a78b9b7af3bd4f7ff99606a3b52c9fb8a0c5e67585f72eb785347ea1b2"}) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r8, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r8, 0x8955, &(0x7f00000000c0)={{0x2, 0x4e23, @loopback}, {0x1, @dev={[], 0x27}}, 0x4, {0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x16}}, 'syz_tun\x00'}) [ 1663.041802][T11409] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:59 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x5}}], 0x1, 0x0) 00:17:59 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x6}}], 0x1, 0x0) [ 1663.360457][T11416] batman_adv: batadv0: Adding interface: vlan1412 [ 1663.378318][T11416] batman_adv: batadv0: The MTU of interface vlan1412 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1663.511049][T11416] batman_adv: batadv0: Not using interface vlan1412 (retrying later): interface not active 00:17:59 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x8}}], 0x1, 0x0) 00:17:59 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000440)='/proc/timer_list\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000640)='devlink\x00') sendmsg$DEVLINK_CMD_SB_POOL_GET(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000740)=ANY=[@ANYBLOB="44000000aab869613c04b8eb288de064ee3ff901c70e79fe", @ANYRES16=r4, @ANYBLOB="010000000000000000000f0000000e0001006e657464657673696d0c00000f0002006e657464657673692d30000008000b0000000000060011000000000063732fc9568ccca1dcfa0401974419768a96d07664ddc961ffb32f92d1a98d0237491e8a6fcfb3eb4ed284365de8068981a7cfa2cc7d71b3905e2929bab2adb38539f798c88f12468fe0ada88bcc93c24596b963d8814ab8cfec542e22d66db674c839a3c8f5d61864d4f733c5a09c330628bd7dc186cf9c4bdbd1aa9207"], 0x44}}, 0x0) sendmsg$DEVLINK_CMD_PORT_GET(r2, &(0x7f0000000500)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000840)=ANY=[@ANYBLOB="cc000000", @ANYRES16=r4, @ANYBLOB="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"], 0xcc}, 0x1, 0x0, 0x0, 0x4044004}, 0x4004) r5 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) getsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x10, &(0x7f0000000480), &(0x7f00000004c0)=0x4) r6 = ioctl$KVM_CREATE_VM(r5, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r6, 0xae60) dup3(r6, r1, 0x0) r7 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0xffffffffffffff49, 0x400200) getsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r7, 0x84, 0x12, &(0x7f00000000c0), &(0x7f0000000100)=0x4) r8 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {0xdc}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r8, 0xae80, 0x0) ioctl$SIOCGETNODEID(r8, 0x89e1, &(0x7f0000000400)={0x2}) 00:17:59 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1f4, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:17:59 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x7}}], 0x1, 0x0) 00:17:59 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x400300, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1663.581369][T11409] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:17:59 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x8}}], 0x1, 0x0) 00:17:59 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4a00}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:17:59 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:17:59 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0xf0ffff, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:00 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x9}}], 0x1, 0x0) [ 1664.022305][T11487] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:00 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x1000000, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:00 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa}}], 0x1, 0x0) [ 1664.396762][T11494] batman_adv: batadv0: Adding interface: vlan1413 [ 1664.421152][T11494] batman_adv: batadv0: The MTU of interface vlan1413 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:18:00 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x10}}], 0x1, 0x0) 00:18:00 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) socket(0x10, 0x803, 0x0) socket$inet_sctp(0x2, 0x800000000000001, 0x84) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x2}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000000040)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000140)='cpuset\x00', 0x0, 0x0) r1 = open(&(0x7f0000000080)='./file0\x00', 0x2000, 0xd28573e63a07ebe3) r2 = openat$cgroup_int(r1, &(0x7f0000000180)='cpuset.memory_spread_slab\x00', 0x2, 0x0) writev(r2, &(0x7f0000000300)=[{&(0x7f00000003c0)="325e1ea2f7ee871e035648b4aca41e1fe73222d20169092dc48429f23a8930ef0138faad1f25c5d1d84ec1fcb972aae70c9ed90f3440a830dd7dbf44e06dc033d1630ca6eae07206818700000000007ead1e56a6f00c8a32f074305b755a0be00347157faf28d9dabe3ef680a8392fa9000800003d098e10b1012c716c0d95d596483fc6e3b1da28e7493cc17c1e7bfaebc8206c", 0x94}, {&(0x7f0000000200)='7', 0x1}, {&(0x7f0000000240)="6703c138fb3c26f468899c2eadb3f0ab0b48db1f8803561ab99e7bc2a8d4d40c03bdd5b0e9b51447218dadf915f67b43d021dd3cf5e63c5655a0966ad7f31f0dc53bfff708c4bdbe3e3e56960976f4203222c288c22e78648b73dc07ffa4", 0x5e}, {&(0x7f0000000480)="d308d869a9d445f6d706383d523362982a99008ca5c83e323b56361eba80553fd8640e41aa4f0acab4138546d4eb2c5393e8a89a0bab6141fe663a0cdd9ab4b2aa244e832349839756b05da9a5231667b73285e8cd627c827ce71349aa21c1d2f5eb87cad21189a0e42b253c2fb81970512e6f29bb4b5bf543c48e8a0176aa3b3a561a41dec4fa839879614307db8d3c21ba86b5330fe817feb2ac67de1e06c7f010bf6d65e3fb60bf7247600a1f59a7c290372334b6f6cc42c2adbf1d50a8ae8256711d63be4533b06caf8679df0a62ac0446c895e0159011a0a48d511e14cf041ade0fe715b422574ea31578ec397e86804fc38e", 0xf5}], 0x4) sendmsg$IPCTNL_MSG_EXP_DELETE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x40004011) r3 = socket(0x0, 0x80002, 0x0) sendmmsg$alg(r3, &(0x7f0000000140), 0x4924924924923aa, 0x0) getsockopt$IP6T_SO_GET_REVISION_MATCH(r3, 0x29, 0x44, &(0x7f00000000c0)={'icmp\x00'}, &(0x7f0000000100)=0x1e) sendmsg$inet_sctp(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$SNDRV_TIMER_IOCTL_PARAMS(r5, 0x40505412, &(0x7f00000000c0)={0x3, 0x1, 0x400000, 0x0, 0x6}) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$BLKTRACESTART(r4, 0x1274, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) 00:18:00 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb}}], 0x1, 0x0) 00:18:00 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1f5, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1664.523150][T11494] batman_adv: batadv0: Not using interface vlan1413 (retrying later): interface not active [ 1664.574242][T11487] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:00 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x2000000, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:00 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4c00}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:00 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc}}], 0x1, 0x0) [ 1664.657185][T11527] new mount options do not match the existing superblock, will be ignored [ 1664.798109][T11535] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:00 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x3000000, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1664.894919][T11523] new mount options do not match the existing superblock, will be ignored 00:18:01 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd}}], 0x1, 0x0) 00:18:01 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) r4 = dup3(r3, r1, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {0x99}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x1}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) ioctl$sock_kcm_SIOCKCMATTACH(r4, 0x89e0, &(0x7f0000000000)={0xffffffffffffffff, r4}) 00:18:01 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe}}], 0x1, 0x0) [ 1665.261007][T11540] batman_adv: batadv0: Adding interface: vlan1414 00:18:01 executing program 3: openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) pipe(&(0x7f0000000140)={0xffffffffffffffff}) ioctl$SNDRV_CTL_IOCTL_PVERSION(0xffffffffffffffff, 0x80045500, &(0x7f0000000400)) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) getsockopt$inet_mreqsrc(r2, 0x0, 0x26, &(0x7f0000000440)={@rand_addr, @broadcast, @multicast1}, &(0x7f0000000480)=0xc) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r4, 0xae60) dup3(r4, r1, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r6, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) getsockopt$inet_tcp_buf(r6, 0x6, 0xd, &(0x7f0000000000)=""/33, &(0x7f00000000c0)=0x21) open(&(0x7f0000000100)='./file0\x00', 0x1, 0x28) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x7, 0xfd, 0x1f}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x4}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) [ 1665.304395][T11540] batman_adv: batadv0: The MTU of interface vlan1414 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1665.450445][T11540] batman_adv: batadv0: Not using interface vlan1414 (retrying later): interface not active 00:18:01 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x2}}], 0x1, 0x0) 00:18:01 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xf}}], 0x1, 0x0) 00:18:01 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1f6, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:01 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) r4 = dup3(r3, r1, 0x0) ioctl$FBIOPUT_CON2FBMAP(r4, 0x4610, &(0x7f0000000000)={0x22}) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$PPPIOCSMAXCID(r4, 0x40047451, &(0x7f0000000640)=0x8) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r6, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r7 = socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000040)='TIPCv2\x00') sendmsg$TIPC_NL_MEDIA_SET(r7, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000003c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r8, @ANYBLOB="010000000000000000000c000000180005"], 0x2c}}, 0x0) sendmsg$TIPC_NL_NET_GET(r6, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000400)={0x1d4, r8, 0x0, 0x70bd25, 0x25dfdbfd, {}, [@TIPC_NLA_BEARER={0x54, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_NAME={0x18, 0x1, @l2={'eth', 0x3a, 'veth0_virt_wifi\x00'}}, @TIPC_NLA_BEARER_UDP_OPTS={0x38, 0x4, {{0x20, 0x1, @in6={0xa, 0x1, 0xfa, @private0, 0x7}}, {0x14, 0x2, @in={0x2, 0x4e23, @local}}}}]}, @TIPC_NLA_MON={0x44, 0x9, 0x0, 0x1, [@TIPC_NLA_MON_REF={0x8, 0x2, 0x81}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x201}, @TIPC_NLA_MON_REF={0x8, 0x2, 0x40}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x8}, @TIPC_NLA_MON_REF={0x8, 0x2, 0x40}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x9}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x4}]}, @TIPC_NLA_SOCK={0x78, 0x2, 0x0, 0x1, [@TIPC_NLA_SOCK_ADDR={0x8, 0x1, 0x9}, @TIPC_NLA_SOCK_ADDR={0x8, 0x1, 0x9b1e}, @TIPC_NLA_SOCK_REF={0x8, 0x2, 0x101}, @TIPC_NLA_SOCK_REF={0x8, 0x2, 0x9140}, @TIPC_NLA_SOCK_CON={0x24, 0x3, 0x0, 0x1, [@TIPC_NLA_CON_NODE={0x8, 0x2, 0xffffffff}, @TIPC_NLA_CON_NODE={0x8, 0x2, 0x401}, @TIPC_NLA_CON_FLAG={0x8, 0x1, 0x1f}, @TIPC_NLA_CON_FLAG={0x8, 0x1, 0x7}]}, @TIPC_NLA_SOCK_ADDR={0x8, 0x1, 0x9}, @TIPC_NLA_SOCK_HAS_PUBL={0x4}, @TIPC_NLA_SOCK_CON={0x24, 0x3, 0x0, 0x1, [@TIPC_NLA_CON_FLAG={0x8, 0x1, 0x5}, @TIPC_NLA_CON_FLAG={0x8, 0x1, 0x1}, @TIPC_NLA_CON_FLAG={0x8, 0x1, 0xb3e}, @TIPC_NLA_CON_NODE={0x8, 0x2, 0x8}]}]}, @TIPC_NLA_BEARER={0x98, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_UDP_OPTS={0x2c, 0x4, {{0x14, 0x1, @in={0x2, 0x4e22, @empty}}, {0x14, 0x2, @in={0x2, 0x4e21, @empty}}}}, @TIPC_NLA_BEARER_UDP_OPTS={0x38, 0x4, {{0x20, 0x1, @in6={0xa, 0x4e21, 0x6, @dev={0xfe, 0x80, [], 0xc}}}, {0x14, 0x2, @in={0x2, 0x4e21, @loopback}}}}, @TIPC_NLA_BEARER_PROP={0xc, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x17}]}, @TIPC_NLA_BEARER_PROP={0x24, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_PRIO={0x8, 0x1, 0xc}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x5}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x1a}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x2d1}]}]}, @TIPC_NLA_LINK={0x4}, @TIPC_NLA_PUBL={0x14, 0x3, 0x0, 0x1, [@TIPC_NLA_PUBL_TYPE={0x8, 0x1, 0x3}, @TIPC_NLA_PUBL_LOWER={0x8, 0x2, 0xcdb8}]}]}, 0x1d4}, 0x1, 0x0, 0x0, 0x40010}, 0x4040088) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) ioctl$RTC_EPOCH_READ(0xffffffffffffffff, 0x8008700d, &(0x7f0000000600)) [ 1665.543349][T11535] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:01 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x4000000, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:01 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x5865}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:01 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x10}}], 0x1, 0x0) [ 1665.717607][T11595] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1665.774283][T11610] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:01 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x3}}], 0x1, 0x0) 00:18:02 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) shutdown(r3, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r3, 0x84, 0x6f, &(0x7f0000000000)={0x0, 0x1c, &(0x7f00000002c0)=[@in6={0xa, 0x0, 0x0, @private0}]}, &(0x7f0000000180)=0x10) r4 = dup3(r3, r2, 0x0) getsockopt$inet_sctp_SCTP_MAX_BURST(r4, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x17) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000040)={r5}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f00000000c0)=ANY=[@ANYRES32=r5, @ANYBLOB="350000005fafafdd249542349fc67e447864000000002afa863179a154d3c89d8b52e44757e206315000"/57], &(0x7f0000000100)=0x3d) setsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000000140)={r6, 0x40}, 0x8) r7 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r8 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r9 = ioctl$KVM_CREATE_VM(r8, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r9, 0xae60) dup3(r9, r7, 0x0) r10 = ioctl$KVM_CREATE_VCPU(r7, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r7, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {0x0, 0x0, 0x0, [], 0x1}, {}, {}, {}, {}, {0x0, 0x0, 0x43}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r10, 0xae80, 0x0) 00:18:02 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x11}}], 0x1, 0x0) 00:18:02 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x4}}], 0x1, 0x0) 00:18:02 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x12}}], 0x1, 0x0) [ 1666.147999][T11621] batman_adv: batadv0: Adding interface: vlan1415 00:18:02 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x5}}], 0x1, 0x0) [ 1666.181936][T11621] batman_adv: batadv0: The MTU of interface vlan1415 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:18:02 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x13}}], 0x1, 0x0) [ 1666.308766][T11621] batman_adv: batadv0: Not using interface vlan1415 (retrying later): interface not active [ 1666.403227][T11610] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:02 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1f7, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:02 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x100004) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) r5 = open(&(0x7f0000000000)='./file0\x00', 0x20000, 0x1a) ioctl$SNDRV_RAWMIDI_IOCTL_STATUS32(r5, 0xc0245720, &(0x7f00000000c0)) 00:18:02 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x14}}], 0x1, 0x0) 00:18:02 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x6}}], 0x1, 0x0) 00:18:02 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x5000000, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:02 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6000}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:02 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x7}}], 0x1, 0x0) 00:18:02 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x15}}], 0x1, 0x0) 00:18:02 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) r4 = dup3(r3, r1, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) sendmsg$IPCTNL_MSG_CT_GET_UNCONFIRMED(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x18000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, 0x7, 0x1, 0x3, 0x0, 0x0, {0xa, 0x0, 0x3}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x8004}, 0x1) ioctl$KVM_RUN(r5, 0xae80, 0x0) 00:18:02 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x8}}], 0x1, 0x0) 00:18:02 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x16}}], 0x1, 0x0) [ 1666.910549][T11686] batman_adv: batadv0: Adding interface: vlan1416 00:18:03 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x9}}], 0x1, 0x0) [ 1666.941269][T11686] batman_adv: batadv0: The MTU of interface vlan1416 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1667.066219][T11686] batman_adv: batadv0: Not using interface vlan1416 (retrying later): interface not active 00:18:03 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1f8, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:03 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x17}}], 0x1, 0x0) 00:18:03 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ubi_ctrl\x00', 0x424840, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f00000000c0)={'caif0\x00', 0x1}) sendmsg$AUDIT_MAKE_EQUIV(r4, &(0x7f0000000400)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x28, 0x3f7, 0x400, 0x70bd25, 0x25dfdbfc, {0x7, 0x7, './file0', './file0'}, [""]}, 0x28}}, 0x20004000) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {0x0, 0x0, 0xfe}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0, 0x7f}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) 00:18:03 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x8000000, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:03 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa}}], 0x1, 0x0) 00:18:03 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6400}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:03 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb}}], 0x1, 0x0) 00:18:03 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x18}}], 0x1, 0x0) 00:18:03 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r5, 0x800443d2, &(0x7f0000000180)={0x6, &(0x7f0000000100)=[{@fixed}, {@fixed}, {@fixed}, {@none}, {@fixed}, {}]}) dup3(r3, r1, 0x0) r6 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) r7 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x1, 0x0) getsockopt$packet_buf(r7, 0x107, 0xd, &(0x7f0000000400)=""/4096, &(0x7f00000000c0)=0x1000) ioctl$KVM_RUN(r6, 0xae80, 0x0) [ 1667.771051][T11756] batman_adv: batadv0: Adding interface: vlan1417 00:18:03 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc}}], 0x1, 0x0) [ 1667.799392][T11756] batman_adv: batadv0: The MTU of interface vlan1417 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:18:03 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x19}}], 0x1, 0x0) [ 1667.973705][T11756] batman_adv: batadv0: Not using interface vlan1417 (retrying later): interface not active 00:18:04 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd}}], 0x1, 0x0) [ 1668.086367][T11743] __nla_validate_parse: 3 callbacks suppressed [ 1668.086376][T11743] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:04 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1f9, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:04 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x1a}}], 0x1, 0x0) 00:18:04 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x9000000, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:04 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6558}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:04 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe}}], 0x1, 0x0) 00:18:04 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0xa0000, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x40803, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) r4 = dup3(r3, r1, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) r6 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r6, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xa) sendmsg$nl_route(r5, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000280)=ANY=[@ANYBLOB="4800000010000507000000000000000000000002", @ANYRES32=r7, @ANYBLOB="0000400000000002280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="2000000014002101008000000000000002000000", @ANYRES32=r7, @ANYBLOB="08000200ac"], 0x20}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000240)=@ipv4_newaddr={0x20, 0x14, 0x121, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, r7}, [@IFA_LOCAL={0x8, 0x2, @multicast2}]}, 0x20}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=@ipv4_deladdr={0x18, 0x15, 0x1, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, r7}}, 0x18}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCADD6RD(0xffffffffffffffff, 0x89f9, &(0x7f0000002980)={'ip6gre0\x00', &(0x7f0000002900)={'ip6gre0\x00', r7, 0x29, 0x4, 0x7f, 0x3f, 0x0, @mcast1, @ipv4={[], [], @multicast2}, 0x40, 0x8000, 0x5, 0x9}}) sendmsg$NL80211_CMD_SET_STATION(0xffffffffffffffff, &(0x7f0000002a80)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000002a40)={&(0x7f00000029c0)={0x4c, 0x0, 0x800, 0x70bd2b, 0x25dfdbfe, {}, [@NL80211_ATTR_STA_PLINK_STATE={0x5, 0x74, 0x1}, @NL80211_ATTR_REASON_CODE={0x6, 0x36, 0x2}, @NL80211_ATTR_IFINDEX={0x8}, @NL80211_ATTR_STA_PLINK_STATE={0x5, 0x74, 0x6}, @NL80211_ATTR_IFINDEX={0x8, 0x3, r8}, @NL80211_ATTR_STA_TX_POWER_SETTING={0x5}, @NL80211_ATTR_REASON_CODE={0x6, 0x36, 0x7f}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4008010}, 0x0) getsockopt$inet_mreq(r4, 0x0, 0x23, &(0x7f0000000000)={@dev, @empty}, &(0x7f00000000c0)=0x8) r9 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x3, 0x0, @pic={0x3f, 0x7, 0x1, 0x65, 0x75, 0x9, 0xfa, 0x40, 0x40, 0x5e, 0x9e, 0x80, 0x3, 0xf7, 0x2}}) ioctl$KVM_RUN(r9, 0xae80, 0x0) [ 1668.816163][T11816] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:04 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xf}}], 0x1, 0x0) 00:18:05 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x1b}}], 0x1, 0x0) 00:18:05 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x1c}}], 0x1, 0x0) 00:18:05 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x10}}], 0x1, 0x0) [ 1669.081758][T11828] batman_adv: batadv0: Adding interface: vlan1418 [ 1669.094076][T11828] batman_adv: batadv0: The MTU of interface vlan1418 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1669.147768][T11828] batman_adv: batadv0: Not using interface vlan1418 (retrying later): interface not active [ 1669.211662][T11815] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:18:05 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x11}}], 0x1, 0x0) 00:18:05 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x1d}}], 0x1, 0x0) [ 1669.346168][T11816] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1669.394092][T11834] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:18:05 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x12}}], 0x1, 0x0) 00:18:05 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0xe000000, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:05 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1fa, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:05 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x1e}}], 0x1, 0x0) 00:18:05 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6800}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:05 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='./file0\x00') ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1669.839444][T11881] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:05 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x13}}], 0x1, 0x0) 00:18:05 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x21}}], 0x1, 0x0) 00:18:06 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0xf000000, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:06 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x14}}], 0x1, 0x0) 00:18:06 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x22}}], 0x1, 0x0) 00:18:06 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) r4 = dup3(r3, r1, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r4, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {}, {0x7d}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) [ 1670.138448][T11892] batman_adv: batadv0: Adding interface: vlan1419 [ 1670.169207][T11892] batman_adv: batadv0: The MTU of interface vlan1419 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:18:06 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x23}}], 0x1, 0x0) [ 1670.267605][T11892] batman_adv: batadv0: Not using interface vlan1419 (retrying later): interface not active [ 1670.290357][T11881] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:06 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x15}}], 0x1, 0x0) 00:18:06 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1fb, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:06 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x3f000000, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:06 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6c00}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:06 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x24}}], 0x1, 0x0) 00:18:06 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x16}}], 0x1, 0x0) 00:18:06 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) setsockopt$SO_TIMESTAMP(r2, 0x1, 0x1d, &(0x7f0000000000)=0x1, 0x4) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r4, 0xae60) dup3(r4, r1, 0x0) openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000100)='/dev/cachefiles\x00', 0x0, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) 00:18:06 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x17}}], 0x1, 0x0) [ 1670.682455][T11964] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:06 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x25}}], 0x1, 0x0) 00:18:07 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x60000000, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:07 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x18}}], 0x1, 0x0) [ 1670.922737][T11977] batman_adv: batadv0: Adding interface: vlan1420 00:18:07 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x26}}], 0x1, 0x0) [ 1670.981720][T11977] batman_adv: batadv0: The MTU of interface vlan1420 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:18:07 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(0xffffffffffffffff, 0x84, 0x75, &(0x7f0000000000)={0x0, 0x9}, &(0x7f00000000c0)=0x8) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f0000000100)={r3, 0x8}, 0x8) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000000)={0x0, 0x1c, &(0x7f00000002c0)=[@in6={0xa, 0x0, 0x0, @private0}]}, &(0x7f0000000180)=0x10) r4 = dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp_SCTP_MAX_BURST(r4, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x17) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000040)={r5}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000140)={r5, 0x7f}, &(0x7f0000000400)=0x8) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f0000000440)={r3, 0x6}, &(0x7f0000000480)=0x8) getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffffff, 0x84, 0xe, &(0x7f00000004c0)={r6, 0xb82, 0xff, 0x5, 0x8000, 0x2117, 0x2, 0x8, {r7, @in6={{0xa, 0x4e20, 0x81, @private2={0xfc, 0x2, [], 0x1}, 0x5}}, 0x0, 0x2, 0x4, 0xfffff801, 0x80000000}}, &(0x7f0000000580)=0xb0) r8 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r9 = ioctl$KVM_CREATE_VM(r8, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r9, 0xae60) dup3(r9, r1, 0x0) r10 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x5000, 0x8, 0x9, 0x1, 0x0, [{0x0, 0x3, 0x2, [], 0x4}, {0x3, 0x3, 0xc0}, {0x6, 0x9, 0x7, [], 0x1}, {0x6, 0x8, 0x29, [], 0x3}, {0x3, 0x4, 0x99, [], 0x40}, {0x5, 0x1a, 0x5, [], 0x3}, {0x0, 0x40, 0x7f, [], 0x40}, {0x3, 0x1f, 0x6, [], 0x5}, {0x8b, 0x0, 0x0, [], 0x1}, {0x40, 0x0, 0x5, [], 0x3f}, {0x87, 0x6, 0x5, [], 0x6}, {0x83, 0x20, 0x5, [], 0x8}, {0xc4, 0x80, 0x2, [], 0x2}, {0x7, 0x8, 0x81, [], 0xb9}, {0x1, 0x1, 0x7, [], 0x1}, {0x2, 0x24, 0x3f, [], 0x1}, {0x6, 0xc0, 0x20}, {0x9, 0x4, 0x0, [], 0x1}, {0x4, 0x2, 0x0, [], 0x20}, {0x2, 0x9, 0x2, [], 0x1}, {0x6, 0x1, 0xff, [], 0x1}, {0x3f, 0x4, 0x6, [], 0xe5}, {0x6, 0x1, 0x0, [], 0x81}, {0x6, 0x7f, 0x9, [], 0x81}]}}) ioctl$KVM_RUN(r10, 0xae80, 0x0) [ 1671.174090][T11977] batman_adv: batadv0: Not using interface vlan1420 (retrying later): interface not active [ 1671.239416][T11964] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:07 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1fc, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:07 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x19}}], 0x1, 0x0) 00:18:07 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x27}}], 0x1, 0x0) 00:18:07 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x9effffff, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:07 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7400}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:07 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) dup(r4) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) [ 1671.769965][T12030] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:07 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x28}}], 0x1, 0x0) 00:18:08 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x1a}}], 0x1, 0x0) 00:18:08 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) signalfd4(r5, &(0x7f0000000000)={[0xffffffff]}, 0x8, 0x800) ioctl$KVM_RUN(r4, 0xae80, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r6, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) mmap(&(0x7f0000ffb000/0x2000)=nil, 0x2000, 0x1000006, 0x1010, r6, 0xa436e000) 00:18:08 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x29}}], 0x1, 0x0) [ 1672.059619][T12042] batman_adv: batadv0: Adding interface: vlan1421 [ 1672.119588][T12042] batman_adv: batadv0: The MTU of interface vlan1421 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:18:08 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x1b}}], 0x1, 0x0) 00:18:08 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x2a}}], 0x1, 0x0) [ 1672.249302][T12042] batman_adv: batadv0: Not using interface vlan1421 (retrying later): interface not active 00:18:08 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x1c}}], 0x1, 0x0) 00:18:08 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1fd, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:08 executing program 3: openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x8000, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) ioctl$KVM_SET_REGS(r0, 0x4090ae82, &(0x7f0000000400)={[0x80000000, 0x3d4b, 0x4, 0x8, 0x5, 0xfffffffffffffffd, 0x5, 0x8, 0x0, 0x7, 0x1ff, 0xd7e8, 0xe, 0x1, 0x241, 0x100000000], 0x2, 0x4040}) dup3(r5, r3, 0x0) r6 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r3, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r6, 0xae80, 0x0) 00:18:08 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7a00}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:08 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x2b}}], 0x1, 0x0) 00:18:08 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0xb8150000, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:09 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x1d}}], 0x1, 0x0) 00:18:09 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x2c}}], 0x1, 0x0) 00:18:09 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x1e}}], 0x1, 0x0) 00:18:09 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x2d}}], 0x1, 0x0) 00:18:09 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) r4 = dup3(r3, r1, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r6, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$KVM_SET_IRQCHIP(r6, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {0x6}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {0x0, 0x0, 0x0, [], 0x5}, {0x0, 0x0, 0x0, [], 0x20}, {}, {}, {}, {}, {0x0, 0x37}, {0x0, 0x20}, {0x0, 0x0, 0x0, [], 0xfc}]}}) r7 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080)='TIPC\x00') sendmsg$TIPC_CMD_SET_LINK_WINDOW(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x68, r7, 0x201, 0x0, 0x0, {{}, {}, {0x4c, 0x18, {0x56d, @link='broadcast-link\x00'}}}}, 0x68}}, 0x0) sendmsg$TIPC_CMD_GET_NODES(r4, &(0x7f0000000400)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x1c, r7, 0x1, 0x70bd28, 0x25dfdbff, {}, ["", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x8000}, 0x4040) ioctl$KVM_RUN(r5, 0xae80, 0x0) [ 1673.170323][T12111] batman_adv: batadv0: Adding interface: vlan1422 [ 1673.201561][T12111] batman_adv: batadv0: The MTU of interface vlan1422 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:18:09 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x21}}], 0x1, 0x0) 00:18:09 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x2e}}], 0x1, 0x0) [ 1673.349105][T12111] batman_adv: batadv0: Not using interface vlan1422 (retrying later): interface not active [ 1673.421352][T12100] __nla_validate_parse: 2 callbacks suppressed [ 1673.421362][T12100] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:09 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x22}}], 0x1, 0x0) 00:18:09 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1fe, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:09 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0xf0ffffff, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:09 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x2f}}], 0x1, 0x0) 00:18:09 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x8100}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:09 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$KVM_GET_MP_STATE(r2, 0x8004ae98, &(0x7f0000000000)) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r4, 0xae60) r5 = dup3(r4, r1, 0x0) ioctl$DRM_IOCTL_MODE_SETGAMMA(r5, 0xc02064a5, &(0x7f0000000480)={0x5, 0x4, &(0x7f0000000140)=[0x5, 0x34f5, 0xc233, 0x2], &(0x7f0000000400)=[0x0, 0xff, 0x0, 0x8], &(0x7f0000000440)=[0xfe01, 0xfff9, 0x0, 0xc1c, 0x6, 0x58c, 0xffff, 0xfff8, 0x3, 0x5]}) r6 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) getsockopt$bt_BT_RCVMTU(0xffffffffffffffff, 0x112, 0xd, &(0x7f0000000500)=0x2, &(0x7f0000000540)=0x2) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r7, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$PPPIOCGFLAGS(r7, 0x8004745a, &(0x7f0000000100)) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r8, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$KVM_SET_XCRS(r8, 0x4188aea7, &(0x7f00000004c0)={0x3, 0x0, [{0x5, 0x0, 0x1}, {0x4, 0x0, 0x7}, {0x20000000, 0x0, 0x3}]}) ioctl$KVM_RUN(r6, 0xae80, 0x0) 00:18:09 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x23}}], 0x1, 0x0) [ 1673.759343][T12177] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:09 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0xfcffffff, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:09 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x24}}], 0x1, 0x0) 00:18:10 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x30}}], 0x1, 0x0) 00:18:10 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x31}}], 0x1, 0x0) 00:18:10 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x25}}], 0x1, 0x0) 00:18:10 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @pic={0x4, 0x3f, 0x0, 0xa, 0xc, 0xa3, 0x8, 0x0, 0x7f, 0x0, 0x7b, 0x9, 0x5, 0x3, 0x46, 0x40}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1674.181973][T12186] batman_adv: batadv0: Adding interface: vlan1423 [ 1674.223965][T12186] batman_adv: batadv0: The MTU of interface vlan1423 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1674.380076][T12186] batman_adv: batadv0: Not using interface vlan1423 (retrying later): interface not active [ 1674.480852][T12186] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:10 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x201, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:10 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x32}}], 0x1, 0x0) 00:18:10 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x26}}], 0x1, 0x0) 00:18:10 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xb203}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:10 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$KVM_IRQ_LINE(r5, 0x4008ae61, &(0x7f0000000000)={0x47, 0x3}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:18:10 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0xfffff000, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:10 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x27}}], 0x1, 0x0) 00:18:10 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0xffffff7f, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:10 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x33}}], 0x1, 0x0) [ 1674.761162][T12254] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:10 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x28}}], 0x1, 0x0) 00:18:11 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x34}}], 0x1, 0x0) 00:18:11 executing program 3: r0 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000000)='/dev/bsg\x00', 0x2000, 0x0) ioctl$SOUND_MIXER_INFO(r0, 0x805c4d65, &(0x7f00000000c0)) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r4, 0xae60) dup3(r4, r2, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r2, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {}, {0x0, 0x0, 0x8}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) [ 1675.159023][T12260] batman_adv: batadv0: Adding interface: vlan1424 [ 1675.178095][T12260] batman_adv: batadv0: The MTU of interface vlan1424 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1675.209068][T12260] batman_adv: batadv0: Not using interface vlan1424 (retrying later): interface not active [ 1675.242622][T12254] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:11 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x300, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:11 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x29}}], 0x1, 0x0) 00:18:11 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x35}}], 0x1, 0x0) 00:18:11 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0xffffff9e, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:11 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xb803}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:11 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) r6 = socket$nl_route(0x10, 0x3, 0x0) r7 = socket$netlink(0x10, 0x3, 0x0) r8 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xa) sendmsg$nl_route(r7, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000280)=ANY=[@ANYBLOB="4800000010000507000000000000000000000002", @ANYRES32=r9, @ANYBLOB="0000400000000002280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r7, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="2000000014002101008000000000000002000000", @ANYRES32=r9, @ANYBLOB="08000200ac"], 0x20}}, 0x0) sendmsg$nl_route(r6, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000240)=@ipv4_newaddr={0x20, 0x14, 0x121, 0x1, 0x0, {0x2, 0x0, 0x60, 0x0, r9}, [@IFA_LOCAL={0x8, 0x2, @private=0x2a010102}]}, 0x20}}, 0x0) sendmsg$nl_route(r5, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=@ipv4_deladdr={0x18, 0x15, 0x1, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, r9}}, 0x18}}, 0x0) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'vcan0\x00', r9}) [ 1675.772600][T12314] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:11 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x2a}}], 0x1, 0x0) 00:18:11 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x36}}], 0x1, 0x0) 00:18:12 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x2b}}], 0x1, 0x0) 00:18:12 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x37}}], 0x1, 0x0) 00:18:12 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x2c}}], 0x1, 0x0) [ 1676.141973][T12327] batman_adv: batadv0: Adding interface: vlan1425 [ 1676.204009][T12327] batman_adv: batadv0: The MTU of interface vlan1425 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:18:12 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x38}}], 0x1, 0x0) [ 1676.286850][T12327] batman_adv: batadv0: Not using interface vlan1425 (retrying later): interface not active [ 1676.348851][T12316] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1676.794344][T12314] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1676.920345][T12337] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:18:13 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x301, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:13 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x2d}}], 0x1, 0x0) 00:18:13 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0xfffffff0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:13 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x39}}], 0x1, 0x0) 00:18:13 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc203}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:13 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {0x0, 0x0, 0x8}, {0x0, 0xde}, {}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x40}]}}) prctl$PR_SET_SECUREBITS(0x1c, 0xe) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:18:13 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x3a}}], 0x1, 0x0) 00:18:13 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x2e}}], 0x1, 0x0) [ 1677.303639][T12378] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:13 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x3b}}], 0x1, 0x0) 00:18:13 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x2f}}], 0x1, 0x0) 00:18:13 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x3c}}], 0x1, 0x0) 00:18:13 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x30}}], 0x1, 0x0) [ 1677.659392][T12386] batman_adv: batadv0: Adding interface: vlan1426 00:18:13 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x500, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:13 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ppp\x00', 0x111180, 0x0) fstatfs(r4, &(0x7f0000000400)=""/162) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfe}]}}) r6 = syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0x4, 0x10000) ioctl$PPPIOCSMAXCID(r6, 0x40047451, &(0x7f00000000c0)=0x3) ioctl$KVM_RUN(r5, 0xae80, 0x0) [ 1677.717683][T12386] batman_adv: batadv0: The MTU of interface vlan1426 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1677.785965][T12386] batman_adv: batadv0: Not using interface vlan1426 (retrying later): interface not active 00:18:13 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0xfffffffc, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:13 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x3d}}], 0x1, 0x0) 00:18:13 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xd602}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:13 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x31}}], 0x1, 0x0) 00:18:14 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x3e}}], 0x1, 0x0) 00:18:14 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0xffffffff, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:14 executing program 3: openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000140)='/dev/zero\x00', 0x30d440, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) r4 = dup3(r3, r1, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$CAPI_GET_PROFILE(r4, 0xc0404309, &(0x7f0000000000)=0x22) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r6, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$KVM_CREATE_VCPU(r6, 0xae41, 0x2) ioctl$KVM_RUN(r5, 0xae80, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r7, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$SOUND_MIXER_READ_STEREODEVS(r7, 0x80044dfb, &(0x7f0000000100)) 00:18:14 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x32}}], 0x1, 0x0) 00:18:14 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x41}}], 0x1, 0x0) 00:18:14 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x33}}], 0x1, 0x0) [ 1678.320050][T12461] batman_adv: batadv0: Adding interface: vlan1427 [ 1678.377512][T12461] batman_adv: batadv0: The MTU of interface vlan1427 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1678.507525][T12461] batman_adv: batadv0: Not using interface vlan1427 (retrying later): interface not active [ 1678.545699][T12455] __nla_validate_parse: 2 callbacks suppressed [ 1678.545707][T12455] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:14 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x501, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:14 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x42}}], 0x1, 0x0) 00:18:14 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x34}}], 0x1, 0x0) 00:18:14 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) syz_open_dev$vim2m(&(0x7f0000000000)='/dev/video#\x00', 0x3, 0x2) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:18:14 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0xf, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:14 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xda02}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1678.925473][T12499] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:15 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x13, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:15 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x43}}], 0x1, 0x0) 00:18:15 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x35}}], 0x1, 0x0) 00:18:15 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x44}}], 0x1, 0x0) 00:18:15 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x14, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:15 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {0x0, 0x0, 0xc1}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1679.325751][T12512] batman_adv: batadv0: Adding interface: vlan1428 [ 1679.348417][T12512] batman_adv: batadv0: The MTU of interface vlan1428 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1679.508450][T12512] batman_adv: batadv0: Not using interface vlan1428 (retrying later): interface not active [ 1679.559207][T12499] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:16 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x600, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:16 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x36}}], 0x1, 0x0) 00:18:16 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x45}}], 0x1, 0x0) 00:18:16 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0xc0, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:16 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe000}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:16 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$KVM_SET_IRQCHIP(r5, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0xffffffff, 0x0, 0x0, 0x0, [{0x0, 0x2}, {}, {}, {}, {}, {}, {}, {0x0, 0x0, 0x0, [], 0x5}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {}, {0x0, 0x0, 0x0, [], 0x9}, {}, {0xfe, 0x40}, {}, {}, {0x0, 0x0, 0x5}, {}, {0x0, 0x0, 0x5}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 1680.041690][T12579] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:16 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0xec0, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:16 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x46}}], 0x1, 0x0) 00:18:16 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x37}}], 0x1, 0x0) 00:18:16 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) r4 = dup3(r3, r1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$VIDIOC_TRY_EXT_CTRLS(r5, 0xc0205649, &(0x7f0000000400)={0xd1a05d2c0f239878, 0x9, 0xfffffff9, r2, 0x0, &(0x7f0000000140)={0x99096a, 0x0, [], @value64=0x5}}) ioctl$HIDIOCGNAME(r6, 0x80404806, &(0x7f0000000440)) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r4, 0x84, 0x6b, &(0x7f00000000c0)=[@in6={0xa, 0x4e21, 0xfffffffe, @private0, 0x8000}, @in6={0xa, 0x4e21, 0x7fffffff, @local, 0x401}, @in6={0xa, 0x4e21, 0x5, @ipv4={[], [], @remote}}], 0x54) r7 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r9, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) setsockopt$IP_VS_SO_SET_ADDDEST(r9, 0x0, 0x487, &(0x7f0000000480)={{0x2f, @initdev={0xac, 0x1e, 0x0, 0x0}, 0x4e21, 0x2, 'lc\x00', 0x10, 0x9}, {@empty, 0x4e24, 0x10000, 0x8, 0xe647}}, 0x44) vmsplice(r8, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$PPPIOCCONNECT(r8, 0x4004743a, &(0x7f0000000000)=0x4) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r7, 0xae80, 0x0) 00:18:16 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x33fe0, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:16 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x47}}], 0x1, 0x0) [ 1680.518230][T12588] batman_adv: batadv0: Adding interface: vlan1429 [ 1680.587986][T12588] batman_adv: batadv0: The MTU of interface vlan1429 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:18:16 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x601, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:16 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x38}}], 0x1, 0x0) 00:18:16 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x48}}], 0x1, 0x0) 00:18:16 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2000062c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1680.666084][T12588] batman_adv: batadv0: Not using interface vlan1429 (retrying later): interface not active [ 1680.702142][T12579] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:17 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf000}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:17 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:18:17 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x49}}], 0x1, 0x0) 00:18:17 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x7ffff000, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:17 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x39}}], 0x1, 0x0) 00:18:17 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0xfffffdef, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1681.075589][T12665] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:17 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x4a}}], 0x1, 0x0) 00:18:17 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x3a}}], 0x1, 0x0) [ 1681.373615][T12670] batman_adv: batadv0: Adding interface: vlan1430 [ 1681.382287][T12670] batman_adv: batadv0: The MTU of interface vlan1430 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1681.416378][T12670] batman_adv: batadv0: Not using interface vlan1430 (retrying later): interface not active [ 1681.438706][T12665] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:17 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x700, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:17 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x2, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:17 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r2, 0xae60) dup3(r2, r1, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r3, 0xae80, 0x0) 00:18:17 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x4b}}], 0x1, 0x0) 00:18:17 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x3b}}], 0x1, 0x0) 00:18:17 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf203}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1681.600499][T12706] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:17 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x4c}}], 0x1, 0x0) 00:18:17 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x3c}}], 0x1, 0x0) 00:18:17 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$SNDRV_PCM_IOCTL_RESET(r3, 0x4141, 0x0) r4 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r4, 0xae60) dup3(r4, r1, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) 00:18:17 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x3, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:17 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x3d}}], 0x1, 0x0) 00:18:17 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x4d}}], 0x1, 0x0) [ 1681.938536][T12715] batman_adv: batadv0: Adding interface: vlan1431 [ 1681.977622][T12715] batman_adv: batadv0: The MTU of interface vlan1431 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1682.119388][T12715] batman_adv: batadv0: Not using interface vlan1431 (retrying later): interface not active [ 1682.187071][T12706] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:18 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x701, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:18 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x3e}}], 0x1, 0x0) 00:18:18 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x4e}}], 0x1, 0x0) 00:18:18 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfe0f}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:18 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x7, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:18 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x41}}], 0x1, 0x0) [ 1682.425735][T12762] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:18 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x4f}}], 0x1, 0x0) 00:18:18 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x145201, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000100)={0xffffffffffffffff, 0xc0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040), 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, 0x10) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f00000002c0)={r5}, 0xc) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000000)={0x2, r5}, 0x8) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f00000000c0)={0x9, r6}, 0x8) 00:18:18 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x42}}], 0x1, 0x0) 00:18:18 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x50}}], 0x1, 0x0) 00:18:18 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x8, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1682.718812][T12770] batman_adv: batadv0: Adding interface: vlan1432 00:18:18 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = gettid() r4 = creat(&(0x7f0000000280)='./file0\x00', 0x1) prctl$PR_SET_PTRACER(0x59616d61, r3) write$binfmt_script(r4, &(0x7f0000000440)=ANY=[@ANYBLOB="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"], 0x191) socket(0x80000000000000a, 0x0, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) close(r4) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000180)='./file0\x00', 0x0, 0x0) ptrace$setopts(0x4206, r3, 0x0, 0x0) r5 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) dup3(r5, r1, 0x0) r6 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x0, 0x0, 0x0, [], 0xff}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x8}, {0x0, 0xfd}, {}, {}, {0x0, 0x0, 0xfc}, {0x0, 0x40}, {}, {}, {0x0, 0x9}]}}) getsockopt$IP6T_SO_GET_ENTRIES(0xffffffffffffffff, 0x29, 0x41, &(0x7f00000000c0)=ANY=[@ANYBLOB="73656375726974790000000000000000000000000000000000000000000000008700000075d69f785f1877d21807ab8b2c3ff3a66383be1495c8c545f15286e0aabd24a7de753b509cfea8b4ca1331131fe9b641700ab5574b1e2ce89eb914abab892eb4b62a819227beb8ae5dd79b4b38ec2c9ea690d030a53dd2f51c2ae46e83885d3d403ca62cd418c733433bf94e06613d25bde0a01672c3ec10305bee70e724e13dab37ba44bbb075"], &(0x7f0000000400)=0xab) ioctl$KVM_RUN(r6, 0xae80, 0x0) [ 1682.749214][T12770] batman_adv: batadv0: The MTU of interface vlan1432 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1682.919655][T12770] batman_adv: batadv0: Not using interface vlan1432 (retrying later): interface not active [ 1683.279327][T12803] debugfs: Directory '12803-4' with parent 'kvm' already present! 00:18:19 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x801, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:19 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0xf, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:19 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x43}}], 0x1, 0x0) 00:18:19 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfeff}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:19 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x51}}], 0x1, 0x0) [ 1683.639538][T12823] __nla_validate_parse: 1 callbacks suppressed [ 1683.639548][T12823] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1683.977737][T12824] batman_adv: batadv0: Adding interface: vlan1433 [ 1684.022790][T12824] batman_adv: batadv0: The MTU of interface vlan1433 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:18:20 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x52}}], 0x1, 0x0) [ 1684.206419][T12824] batman_adv: batadv0: Not using interface vlan1433 (retrying later): interface not active [ 1684.296688][T12823] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:20 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xff0f}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1684.543107][T12844] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1685.033211][T12845] batman_adv: batadv0: Adding interface: vlan1434 [ 1685.093383][T12845] batman_adv: batadv0: The MTU of interface vlan1434 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:18:21 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1b, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:21 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x53}}], 0x1, 0x0) 00:18:21 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x44}}], 0x1, 0x0) [ 1685.402545][T12845] batman_adv: batadv0: Not using interface vlan1434 (retrying later): interface not active 00:18:21 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x45}}], 0x1, 0x0) [ 1699.922468][T12844] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:36 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r2, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$EVIOCSABS0(r2, 0x401845c0, &(0x7f0000000000)={0x93b, 0x5, 0xa980, 0x1, 0x9, 0x101}) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r4, 0xae60) dup3(r4, r1, 0x0) openat$apparmor_thread_exec(0xffffffffffffff9c, &(0x7f0000000100)='/proc/thread-self/attr/exec\x00', 0x2, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0xfffffffc, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {0x0, 0x0, 0x0, [], 0x4}]}}) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x1) ioctl$KVM_RUN(r5, 0xae80, 0x0) 00:18:36 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x900, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:36 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x54}}], 0x1, 0x0) 00:18:36 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x46}}], 0x1, 0x0) 00:18:36 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x300, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:36 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xff7f}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1700.148561][T12883] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:36 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:36 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x55}}], 0x1, 0x0) 00:18:36 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x47}}], 0x1, 0x0) 00:18:36 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x48}}], 0x1, 0x0) 00:18:36 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x56}}], 0x1, 0x0) 00:18:36 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) r4 = dup3(r3, r1, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$USBDEVFS_GET_CAPABILITIES(r4, 0x8004551a, &(0x7f00000000c0)) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) setsockopt$inet_udp_encap(r4, 0x11, 0x64, &(0x7f0000000000)=0x3, 0x4) ioctl$KVM_RUN(r5, 0xae80, 0x0) [ 1700.524035][T12890] batman_adv: batadv0: Adding interface: vlan1435 00:18:36 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x57}}], 0x1, 0x0) [ 1700.561521][T12890] batman_adv: batadv0: The MTU of interface vlan1435 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1700.701496][T12890] batman_adv: batadv0: Not using interface vlan1435 (retrying later): interface not active [ 1700.777087][T12883] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:36 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x901, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:36 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x49}}], 0x1, 0x0) 00:18:36 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x58}}], 0x1, 0x0) 00:18:36 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x2, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:36 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfffe}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:36 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r6 = socket$inet6_sctp(0xa, 0x5, 0x84) r7 = socket$inet6_sctp(0xa, 0x5, 0x84) r8 = socket$inet6_sctp(0xa, 0x5, 0x84) shutdown(r8, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r8, 0x84, 0x6f, &(0x7f0000000000)={0x0, 0x1c, &(0x7f00000002c0)=[@in6={0xa, 0x0, 0x0, @private0}]}, &(0x7f0000000180)=0x10) r9 = dup3(0xffffffffffffffff, r7, 0x0) getsockopt$inet_sctp_SCTP_MAX_BURST(r9, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x17) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r6, 0x84, 0x7c, &(0x7f0000000040)={r10}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r5, 0x84, 0x9, &(0x7f00000000c0)={r10, @in={{0x2, 0x4e21, @loopback}}, 0x7499, 0x9, 0x9, 0x47, 0x4, 0x9, 0x8}, 0x9c) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {0x0, 0x0, 0x8}, {0x0, 0x0, 0x0, [], 0xaa}, {}, {0x10}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x20}, {}, {}, {}, {0x0, 0x1}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:18:37 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x4a}}], 0x1, 0x0) 00:18:37 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x3, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:37 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x59}}], 0x1, 0x0) [ 1700.977645][T12959] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:37 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r5 = getpid() sched_setscheduler(r5, 0x5, &(0x7f00000002c0)) fcntl$setown(r4, 0x8, r5) dup3(r3, r1, 0x0) r6 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{0x0, 0x0, 0x0, [], 0x1}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {0x0, 0x0, 0x0, [], 0x1}, {}, {}, {}, {}, {}, {}, {0x0, 0x1}]}}) ioctl$KVM_RUN(r6, 0xae80, 0x0) 00:18:37 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x4b}}], 0x1, 0x0) [ 1701.224421][T12966] batman_adv: batadv0: Adding interface: vlan1436 [ 1701.240166][T12966] batman_adv: batadv0: The MTU of interface vlan1436 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1701.346960][T12966] batman_adv: batadv0: Not using interface vlan1436 (retrying later): interface not active [ 1701.437255][T12959] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:37 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x4c}}], 0x1, 0x0) 00:18:37 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0xa00, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:37 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x5a}}], 0x1, 0x0) 00:18:37 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x20000}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:37 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x4, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:37 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x4d}}], 0x1, 0x0) 00:18:37 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x5b}}], 0x1, 0x0) 00:18:37 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x4e}}], 0x1, 0x0) [ 1701.751064][T13021] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:38 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x5c}}], 0x1, 0x0) 00:18:38 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x4f}}], 0x1, 0x0) [ 1702.076444][T13026] batman_adv: batadv0: Adding interface: vlan1437 [ 1702.118121][T13026] batman_adv: batadv0: The MTU of interface vlan1437 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1702.227804][T13026] batman_adv: batadv0: Not using interface vlan1437 (retrying later): interface not active [ 1702.281578][T13021] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:38 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x5d}}], 0x1, 0x0) 00:18:38 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x5, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:38 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x50}}], 0x1, 0x0) 00:18:38 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d3d}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:38 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0xa01, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1702.849688][T13058] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:38 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x51}}], 0x1, 0x0) 00:18:38 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x5e}}], 0x1, 0x0) [ 1702.995345][T13065] batman_adv: batadv0: Adding interface: vlan1438 00:18:39 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x5f}}], 0x1, 0x0) [ 1703.031301][T13065] batman_adv: batadv0: The MTU of interface vlan1438 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1703.076516][T13065] batman_adv: batadv0: Not using interface vlan1438 (retrying later): interface not active 00:18:39 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x52}}], 0x1, 0x0) 00:18:39 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x8, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:39 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d3e}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1703.107964][T13058] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:39 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x60}}], 0x1, 0x0) [ 1703.199548][T13084] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:39 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x53}}], 0x1, 0x0) 00:18:39 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x61}}], 0x1, 0x0) 00:18:39 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x62}}], 0x1, 0x0) 00:18:39 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x63}}], 0x1, 0x0) [ 1703.411982][T13090] batman_adv: batadv0: Adding interface: vlan1439 [ 1703.436715][T13090] batman_adv: batadv0: The MTU of interface vlan1439 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1703.495076][T13090] batman_adv: batadv0: Not using interface vlan1439 (retrying later): interface not active 00:18:39 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0xb00, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:39 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x54}}], 0x1, 0x0) 00:18:39 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x64}}], 0x1, 0x0) 00:18:39 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x9, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:39 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d3f}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:40 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x55}}], 0x1, 0x0) 00:18:40 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x65}}], 0x1, 0x0) 00:18:40 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0xe, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:40 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x56}}], 0x1, 0x0) 00:18:40 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x66}}], 0x1, 0x0) 00:18:40 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x57}}], 0x1, 0x0) [ 1704.110389][T13132] batman_adv: batadv0: Adding interface: vlan1440 00:18:40 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x58}}], 0x1, 0x0) [ 1704.183442][T13132] batman_adv: batadv0: The MTU of interface vlan1440 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1704.333300][T13132] batman_adv: batadv0: Not using interface vlan1440 (retrying later): interface not active 00:18:40 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0xb01, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:40 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x67}}], 0x1, 0x0) 00:18:40 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x59}}], 0x1, 0x0) 00:18:40 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d40}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:40 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0xf, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1704.969007][T13168] __nla_validate_parse: 3 callbacks suppressed [ 1704.969016][T13168] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:41 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x5a}}], 0x1, 0x0) 00:18:41 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x68}}], 0x1, 0x0) 00:18:41 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x5b}}], 0x1, 0x0) 00:18:41 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x69}}], 0x1, 0x0) 00:18:41 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x60, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1705.330705][T13174] batman_adv: batadv0: Adding interface: vlan1441 00:18:41 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x5c}}], 0x1, 0x0) 00:18:41 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x6a}}], 0x1, 0x0) [ 1705.385678][T13174] batman_adv: batadv0: The MTU of interface vlan1441 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1705.498587][T13174] batman_adv: batadv0: Not using interface vlan1441 (retrying later): interface not active 00:18:41 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0xc00, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:41 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x5d}}], 0x1, 0x0) [ 1705.555975][T13174] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:41 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x6b}}], 0x1, 0x0) 00:18:41 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d41}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:41 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0xf0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:41 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x6c}}], 0x1, 0x0) 00:18:41 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x5e}}], 0x1, 0x0) 00:18:41 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x300, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1705.766424][T13218] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:41 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x5f}}], 0x1, 0x0) 00:18:41 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x6d}}], 0x1, 0x0) 00:18:42 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x60}}], 0x1, 0x0) 00:18:42 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x6e}}], 0x1, 0x0) [ 1706.041399][T13225] batman_adv: batadv0: Adding interface: vlan1442 [ 1706.074621][T13225] batman_adv: batadv0: The MTU of interface vlan1442 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1706.156102][T13225] batman_adv: batadv0: Not using interface vlan1442 (retrying later): interface not active [ 1706.227809][T13225] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:42 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0xc01, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:42 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x61}}], 0x1, 0x0) 00:18:42 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x6f}}], 0x1, 0x0) 00:18:42 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d42}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:42 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x500, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:42 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x62}}], 0x1, 0x0) 00:18:42 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x70}}], 0x1, 0x0) [ 1706.525472][T13269] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:42 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x900, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:42 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x63}}], 0x1, 0x0) 00:18:42 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x71}}], 0x1, 0x0) 00:18:42 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x64}}], 0x1, 0x0) 00:18:42 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x72}}], 0x1, 0x0) [ 1706.907836][T13274] batman_adv: batadv0: Adding interface: vlan1443 [ 1706.937461][T13274] batman_adv: batadv0: The MTU of interface vlan1443 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1707.030618][T13274] batman_adv: batadv0: Not using interface vlan1443 (retrying later): interface not active [ 1707.073247][T13269] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:43 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0xd00, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:43 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x65}}], 0x1, 0x0) 00:18:43 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x73}}], 0x1, 0x0) 00:18:43 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0xe00, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:43 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d43}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:43 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x66}}], 0x1, 0x0) [ 1707.468501][T13309] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:43 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0xf00, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:43 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x74}}], 0x1, 0x0) 00:18:43 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x67}}], 0x1, 0x0) 00:18:43 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x75}}], 0x1, 0x0) [ 1707.736806][T13314] batman_adv: batadv0: Adding interface: vlan1444 00:18:43 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x68}}], 0x1, 0x0) [ 1707.774345][T13314] batman_adv: batadv0: The MTU of interface vlan1444 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:18:43 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x76}}], 0x1, 0x0) [ 1707.881525][T13314] batman_adv: batadv0: Not using interface vlan1444 (retrying later): interface not active [ 1707.935325][T13309] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:44 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0xd01, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:44 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x69}}], 0x1, 0x0) 00:18:44 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x77}}], 0x1, 0x0) 00:18:44 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x15b8, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:44 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d44}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1708.308819][T13350] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:44 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x3f00, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:44 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x78}}], 0x1, 0x0) 00:18:44 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x6a}}], 0x1, 0x0) 00:18:44 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x79}}], 0x1, 0x0) 00:18:44 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x6b}}], 0x1, 0x0) [ 1708.550120][T13356] batman_adv: batadv0: Adding interface: vlan1445 [ 1708.576929][T13356] batman_adv: batadv0: The MTU of interface vlan1445 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:18:44 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(0xffffffffffffffff, 0xc01064b5, &(0x7f00000000c0)={&(0x7f0000000000)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5}) ioctl$DRM_IOCTL_MODE_SETPLANE(r5, 0xc03064b7, &(0x7f0000000100)={r6, 0x4, 0x4, 0xe7, 0x81, 0x0, 0x6, 0x7ff, 0x9, 0x10001, 0x1f, 0x1ff}) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r7 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r7, 0xae80, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r8, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$FS_IOC_RESVSP(0xffffffffffffffff, 0x40305828, &(0x7f0000000400)={0x0, 0x1, 0x7fffffff, 0xffb8}) vmsplice(r9, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$sock_kcm_SIOCKCMATTACH(r4, 0x89e0, &(0x7f0000000140)={r8, r9}) 00:18:44 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x7a}}], 0x1, 0x0) [ 1708.656352][T13356] batman_adv: batadv0: Not using interface vlan1445 (retrying later): interface not active [ 1708.726595][T13350] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:45 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0xe00, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:45 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x6c}}], 0x1, 0x0) 00:18:45 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x6000, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:45 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d45}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:45 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x7b}}], 0x1, 0x0) 00:18:45 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) getsockopt$inet_sctp6_SCTP_EVENTS(r5, 0x84, 0xb, &(0x7f0000000000), &(0x7f00000000c0)=0xe) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:18:45 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x6d}}], 0x1, 0x0) 00:18:45 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x7c}}], 0x1, 0x0) 00:18:45 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x6e}}], 0x1, 0x0) 00:18:45 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$F2FS_IOC_MOVE_RANGE(r4, 0xc020f509, &(0x7f0000000100)={r1, 0x6, 0xcb, 0x3}) setsockopt$bt_BT_RCVMTU(r5, 0x112, 0xd, &(0x7f0000000140)=0x1, 0x2) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r6 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {0x2}, {}, {}, {0x0, 0x0, 0x0, [], 0x5}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r6, 0xae80, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r7, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$KVM_CREATE_VCPU(r7, 0xae41, 0x0) r8 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_TIOCOUTQ(r8, 0x5411, &(0x7f0000000000)) [ 1709.248579][T13419] batman_adv: batadv0: Adding interface: vlan1446 00:18:45 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x7d}}], 0x1, 0x0) [ 1709.292844][T13419] batman_adv: batadv0: The MTU of interface vlan1446 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:18:45 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x6f}}], 0x1, 0x0) [ 1709.398300][T13419] batman_adv: batadv0: Not using interface vlan1446 (retrying later): interface not active 00:18:45 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0xe01, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:45 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0xb815, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:45 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x7e}}], 0x1, 0x0) 00:18:45 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d46}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:45 executing program 3: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r0, &(0x7f0000000400)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x4) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0)='nl80211\x00') sendmsg$NL80211_CMD_SET_STATION(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x1c, r1, 0x0, 0x70bd25, 0x25dfdbfd, {}, [@NL80211_ATTR_STA_TX_POWER={0x6, 0x114, 0x2}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000000}, 0x400d4) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) dup3(r5, r3, 0x0) r6 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r3, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r6, 0xae80, 0x0) syz_genetlink_get_family_id$nl80211(&(0x7f0000000440)='nl80211\x00') 00:18:45 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x70}}], 0x1, 0x0) 00:18:46 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x82}}], 0x1, 0x0) 00:18:46 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x71}}], 0x1, 0x0) 00:18:46 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0x2, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0xfff, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {0x0, 0x2}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0, 0x0, [], 0x2}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:18:46 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x83}}], 0x1, 0x0) 00:18:46 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x72}}], 0x1, 0x0) [ 1710.257863][T13489] batman_adv: batadv0: Adding interface: vlan1447 [ 1710.298589][T13489] batman_adv: batadv0: The MTU of interface vlan1447 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:18:46 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x84}}], 0x1, 0x0) [ 1710.413100][T13489] batman_adv: batadv0: Not using interface vlan1447 (retrying later): interface not active [ 1710.525353][T13479] __nla_validate_parse: 3 callbacks suppressed [ 1710.525363][T13479] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:46 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0xf00, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:46 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x73}}], 0x1, 0x0) 00:18:46 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}]}}) ioctl$KVM_RUN(r4, 0xae80, 0x0) r5 = getpid() sched_setscheduler(r5, 0x5, &(0x7f00000002c0)) get_robust_list(r5, &(0x7f0000000140)=&(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)}}, &(0x7f0000000180)=0x18) 00:18:46 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x85}}], 0x1, 0x0) 00:18:46 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0xf000, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:46 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d47}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1710.743591][T13548] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:46 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x74}}], 0x1, 0x0) 00:18:46 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x86}}], 0x1, 0x0) [ 1710.906169][T13560] batman_adv: batadv0: Adding interface: vlan1448 [ 1710.914280][T13560] batman_adv: batadv0: The MTU of interface vlan1448 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:18:47 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x75}}], 0x1, 0x0) 00:18:47 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x87}}], 0x1, 0x0) [ 1710.954351][T13560] batman_adv: batadv0: Not using interface vlan1448 (retrying later): interface not active 00:18:47 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x30000, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1711.018142][T13548] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:47 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x76}}], 0x1, 0x0) 00:18:47 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0xf01, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:47 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d48}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1711.393502][T13595] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1711.640968][T13598] batman_adv: batadv0: Adding interface: vlan1449 [ 1711.682630][T13598] batman_adv: batadv0: The MTU of interface vlan1449 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1711.762497][T13598] batman_adv: batadv0: Not using interface vlan1449 (retrying later): interface not active [ 1711.801213][T13595] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:48 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) dup3(r3, r1, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r5, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r6 = ioctl$KVM_CREATE_VCPU(r5, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x0, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0xfd}, {}, {0x0, 0x0, 0x0, [], 0x4}, {}, {}, {}, {}, {}, {}, {0x0, 0x5}]}}) ioctl$KVM_RUN(r6, 0xae80, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r7, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r7, 0x4020ae46, &(0x7f0000000000)={0x101ff, 0x2, 0x10000, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) 00:18:48 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x88}}], 0x1, 0x0) 00:18:48 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x34000, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:48 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d49}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:48 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x77}}], 0x1, 0x0) 00:18:48 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1001, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) [ 1711.992922][T13613] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:48 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x89}}], 0x1, 0x0) 00:18:48 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x78}}], 0x1, 0x0) 00:18:48 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x400300, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1712.239799][T13622] batman_adv: batadv0: Adding interface: vlan1450 00:18:48 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x8a}}], 0x1, 0x0) 00:18:48 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x79}}], 0x1, 0x0) [ 1712.314152][T13622] batman_adv: batadv0: The MTU of interface vlan1450 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:18:48 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x8b}}], 0x1, 0x0) [ 1712.460561][T13622] batman_adv: batadv0: Not using interface vlan1450 (retrying later): interface not active 00:18:48 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x7a}}], 0x1, 0x0) [ 1712.506010][T13613] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:48 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0xf0ffff, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:48 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d4a}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:48 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x8c}}], 0x1, 0x0) 00:18:48 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x7b}}], 0x1, 0x0) [ 1712.684004][T13672] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1712.849141][T13676] batman_adv: batadv0: Adding interface: vlan1451 [ 1712.856939][T13676] batman_adv: batadv0: The MTU of interface vlan1451 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1712.889305][T13676] batman_adv: batadv0: Not using interface vlan1451 (retrying later): interface not active [ 1712.910651][T13672] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:49 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1100, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:49 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x1000000, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:49 executing program 3: r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) openat$audio1(0xffffffffffffff9c, &(0x7f0000000000)='/dev/audio1\x00', 0x41, 0x0) r3 = shmat(0x0, &(0x7f0000ffe000/0x2000)=nil, 0x5000) shmdt(r3) shmdt(r3) ioctl$KVM_CREATE_IRQCHIP(r2, 0xae60) r4 = dup3(r2, r0, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x0) ioctl$EVIOCGRAB(r4, 0x40044590, &(0x7f0000000080)=0x51) r6 = openat$proc_capi20(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/capi/capi20\x00', 0x2000, 0x0) ioctl$KVM_SET_IRQCHIP(r6, 0x8208ae63, &(0x7f00000001c0)={0x2, 0x0, @pic={0x7f, 0x0, 0x9, 0x20, 0x8, 0x1, 0x55, 0x1, 0x6b, 0x5, 0x1, 0x22, 0xc, 0x1, 0x98, 0x7}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) 00:18:49 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x8d}}], 0x1, 0x0) 00:18:49 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x7c}}], 0x1, 0x0) 00:18:49 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d4b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:49 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x7d}}], 0x1, 0x0) [ 1713.138241][T13693] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:49 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x8e}}], 0x1, 0x0) 00:18:49 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$EVIOCGEFFECTS(r0, 0x80044584, &(0x7f00000000c0)=""/222) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) r5 = msgget(0x0, 0x546) msgsnd(r5, &(0x7f0000000500)=ANY=[@ANYBLOB="00000000cd4ed1ab3980fa9b00030000bd8480f5b93788565f10460903523056f219a5d9d05b2a8da44fb917daf886756d9925997c8a05509ca4f69c8e79ba3679b84377388160dc94e837c6e0c5086e4b8d7fa8c0378ed61f166b51ad9de70833bb910152ca3c6c4c46362f7978408748bb2916049f160745d178cccc8342c61a8beae5f38f43408935a5a8f2fc8c1c95067aac7db4724b7df83fe6900bee5fa8956bbe924796f6be612aa8b33f23884f827a1ddb"], 0x1c, 0x0) r6 = socket$inet6(0xa, 0x1, 0x0) getsockopt$inet6_buf(r6, 0x29, 0xd2, 0xffffffffffffffff, &(0x7f0000000400)) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000001c0)={0x0, 0x0, @ioapic={0x0, 0x0, 0x0, 0x0, 0x0, [{}, {0x8}, {}, {}, {}, {}, {}, {0x1}, {}, {0x0, 0xfd}, {}, {0x0, 0x1f}]}}) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/sync_threshold\x00', 0x2, 0x0) ioctl$UI_SET_SWBIT(r7, 0x4004556d, 0x0) ioctl$KVM_RUN(r4, 0xae80, 0x0) 00:18:49 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x7e}}], 0x1, 0x0) 00:18:49 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x8f}}], 0x1, 0x0) 00:18:49 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x2000000, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1713.495053][T13704] batman_adv: batadv0: Adding interface: vlan1452 [ 1713.558190][T13704] batman_adv: batadv0: The MTU of interface vlan1452 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1713.665763][T13704] batman_adv: batadv0: Not using interface vlan1452 (retrying later): interface not active 00:18:50 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1101, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:50 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x82}}], 0x1, 0x0) 00:18:50 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x90}}], 0x1, 0x0) 00:18:50 executing program 3: sendmsg$kcm(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x48, &(0x7f0000000080)=[{&(0x7f0000000040)="2e00000025000511d25a80648c638c0d0424fc60040010000a0003000200000037153e370a00098002000000d1bd", 0x2e}], 0x1}, 0x0) syz_genetlink_get_family_id$fou(&(0x7f0000000080)='fou\x00') 00:18:50 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d4c}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:50 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x3000000, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:50 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x83}}], 0x1, 0x0) 00:18:50 executing program 3: 00:18:50 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x91}}], 0x1, 0x0) 00:18:50 executing program 3: 00:18:50 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x84}}], 0x1, 0x0) 00:18:50 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x4000000, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1714.354731][T13765] batman_adv: batadv0: Adding interface: vlan1453 [ 1714.408200][T13765] batman_adv: batadv0: The MTU of interface vlan1453 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1714.467430][T13765] batman_adv: batadv0: Not using interface vlan1453 (retrying later): interface not active 00:18:50 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1200, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:50 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x92}}], 0x1, 0x0) 00:18:50 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x85}}], 0x1, 0x0) 00:18:50 executing program 3: 00:18:50 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x5000000, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:50 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d4d}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:50 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x93}}], 0x1, 0x0) 00:18:50 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x86}}], 0x1, 0x0) 00:18:50 executing program 3: 00:18:50 executing program 3: 00:18:50 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x87}}], 0x1, 0x0) [ 1714.910980][T13802] batman_adv: batadv0: Adding interface: vlan1454 00:18:51 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x94}}], 0x1, 0x0) [ 1714.947068][T13802] batman_adv: batadv0: The MTU of interface vlan1454 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1715.083598][T13802] batman_adv: batadv0: Not using interface vlan1454 (retrying later): interface not active 00:18:51 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1201, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:51 executing program 3: 00:18:51 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x88}}], 0x1, 0x0) 00:18:51 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x95}}], 0x1, 0x0) 00:18:51 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x8000000, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:51 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d4e}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:51 executing program 3: 00:18:51 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x96}}], 0x1, 0x0) 00:18:51 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x89}}], 0x1, 0x0) 00:18:51 executing program 3: 00:18:51 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x9000000, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:51 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x8a}}], 0x1, 0x0) [ 1715.591007][T13845] batman_adv: batadv0: Adding interface: vlan1455 [ 1715.655958][T13845] batman_adv: batadv0: The MTU of interface vlan1455 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1715.762751][T13845] batman_adv: batadv0: Not using interface vlan1455 (retrying later): interface not active [ 1715.788530][T13838] __nla_validate_parse: 6 callbacks suppressed [ 1715.788539][T13838] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:51 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1300, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:51 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x97}}], 0x1, 0x0) 00:18:51 executing program 3: 00:18:51 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x8b}}], 0x1, 0x0) 00:18:51 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d4f}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:51 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0xe000000, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1715.953596][T13874] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:52 executing program 3: 00:18:52 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x8c}}], 0x1, 0x0) 00:18:52 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x98}}], 0x1, 0x0) 00:18:52 executing program 3: 00:18:52 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x8d}}], 0x1, 0x0) 00:18:52 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x99}}], 0x1, 0x0) [ 1716.192679][T13881] batman_adv: batadv0: Adding interface: vlan1456 [ 1716.222692][T13881] batman_adv: batadv0: The MTU of interface vlan1456 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1716.315238][T13881] batman_adv: batadv0: Not using interface vlan1456 (retrying later): interface not active [ 1716.375037][T13874] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:52 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1301, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:52 executing program 3: 00:18:52 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x8e}}], 0x1, 0x0) 00:18:52 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x9a}}], 0x1, 0x0) 00:18:52 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0xf000000, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:52 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d50}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:52 executing program 3: 00:18:52 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x9b}}], 0x1, 0x0) [ 1716.734846][T13919] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:52 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x8f}}], 0x1, 0x0) 00:18:52 executing program 3: 00:18:53 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x90}}], 0x1, 0x0) 00:18:53 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x9c}}], 0x1, 0x0) [ 1717.110847][T13924] batman_adv: batadv0: Adding interface: vlan1457 [ 1717.145489][T13924] batman_adv: batadv0: The MTU of interface vlan1457 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:18:53 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1400, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:53 executing program 3: 00:18:53 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x91}}], 0x1, 0x0) 00:18:53 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x3f000000, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:53 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x9d}}], 0x1, 0x0) [ 1717.213352][T13924] batman_adv: batadv0: Not using interface vlan1457 (retrying later): interface not active [ 1717.236941][T13919] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:53 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d51}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:53 executing program 3: 00:18:53 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x92}}], 0x1, 0x0) 00:18:53 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x60000000, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:53 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x9e}}], 0x1, 0x0) [ 1717.419374][T13961] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:53 executing program 3: 00:18:53 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x93}}], 0x1, 0x0) [ 1717.686172][T13967] batman_adv: batadv0: Adding interface: vlan1458 [ 1717.699223][T13967] batman_adv: batadv0: The MTU of interface vlan1458 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1717.738614][T13967] batman_adv: batadv0: Not using interface vlan1458 (retrying later): interface not active [ 1717.747669][T13961] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:53 executing program 3: 00:18:53 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x9f}}], 0x1, 0x0) 00:18:53 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x94}}], 0x1, 0x0) 00:18:53 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1401, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:53 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d52}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:53 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x9effffff, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:54 executing program 3: [ 1717.946944][T13992] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:54 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa0}}], 0x1, 0x0) 00:18:54 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x95}}], 0x1, 0x0) 00:18:54 executing program 3: 00:18:54 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa1}}], 0x1, 0x0) 00:18:54 executing program 3: 00:18:54 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x96}}], 0x1, 0x0) [ 1718.243928][T14000] batman_adv: batadv0: Adding interface: vlan1459 [ 1718.283697][T14000] batman_adv: batadv0: The MTU of interface vlan1459 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:18:54 executing program 3: 00:18:54 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x97}}], 0x1, 0x0) [ 1718.387770][T14000] batman_adv: batadv0: Not using interface vlan1459 (retrying later): interface not active [ 1718.432293][T13992] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:54 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1500, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:54 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa2}}], 0x1, 0x0) 00:18:54 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0xb8150000, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:54 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x98}}], 0x1, 0x0) 00:18:54 executing program 3: 00:18:54 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d53}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 1718.628478][T14035] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:54 executing program 3: 00:18:54 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa3}}], 0x1, 0x0) 00:18:54 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x99}}], 0x1, 0x0) 00:18:54 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa4}}], 0x1, 0x0) 00:18:54 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x9a}}], 0x1, 0x0) 00:18:54 executing program 3: [ 1718.978901][T14045] batman_adv: batadv0: Adding interface: vlan1460 [ 1719.008798][T14045] batman_adv: batadv0: The MTU of interface vlan1460 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1719.058110][T14045] batman_adv: batadv0: Not using interface vlan1460 (retrying later): interface not active 00:18:55 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1501, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:55 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa5}}], 0x1, 0x0) 00:18:55 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x9b}}], 0x1, 0x0) 00:18:55 executing program 3: 00:18:55 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0xf0ffffff, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:55 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d54}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:55 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x9c}}], 0x1, 0x0) 00:18:55 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0xfcffffff, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:55 executing program 3: 00:18:55 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa6}}], 0x1, 0x0) 00:18:55 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x9d}}], 0x1, 0x0) 00:18:55 executing program 3: [ 1719.564976][T14086] batman_adv: batadv0: Adding interface: vlan1461 [ 1719.580621][T14086] batman_adv: batadv0: The MTU of interface vlan1461 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1719.616074][T14086] batman_adv: batadv0: Not using interface vlan1461 (retrying later): interface not active 00:18:55 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1600, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:55 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa7}}], 0x1, 0x0) 00:18:55 executing program 3: 00:18:55 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x9e}}], 0x1, 0x0) 00:18:55 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0xfffff000, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:55 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d55}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:55 executing program 3: 00:18:55 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0x9f}}], 0x1, 0x0) 00:18:56 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa8}}], 0x1, 0x0) 00:18:56 executing program 3: 00:18:56 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa9}}], 0x1, 0x0) 00:18:56 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa0}}], 0x1, 0x0) [ 1720.134103][T14129] batman_adv: batadv0: Adding interface: vlan1462 [ 1720.184446][T14129] batman_adv: batadv0: The MTU of interface vlan1462 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1720.222685][T14129] batman_adv: batadv0: Not using interface vlan1462 (retrying later): interface not active 00:18:56 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1601, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:56 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa1}}], 0x1, 0x0) 00:18:56 executing program 3: 00:18:56 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0xffffff7f, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:56 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d56}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:56 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xaa}}], 0x1, 0x0) 00:18:56 executing program 3: 00:18:56 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa2}}], 0x1, 0x0) 00:18:56 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xab}}], 0x1, 0x0) 00:18:56 executing program 3: 00:18:56 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa3}}], 0x1, 0x0) 00:18:56 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xac}}], 0x1, 0x0) [ 1720.742903][T14170] batman_adv: batadv0: Adding interface: vlan1463 [ 1720.758870][T14170] batman_adv: batadv0: The MTU of interface vlan1463 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1720.790103][T14170] batman_adv: batadv0: Not using interface vlan1463 (retrying later): interface not active [ 1720.828222][T14167] __nla_validate_parse: 5 callbacks suppressed [ 1720.828230][T14167] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:57 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1700, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:57 executing program 3: 00:18:57 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa4}}], 0x1, 0x0) 00:18:57 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xad}}], 0x1, 0x0) 00:18:57 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0xffffff9e, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:57 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d57}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:57 executing program 3: 00:18:57 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xae}}], 0x1, 0x0) [ 1721.040142][T14205] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:57 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa5}}], 0x1, 0x0) 00:18:57 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0xfffffff0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:57 executing program 3: 00:18:57 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xaf}}], 0x1, 0x0) [ 1721.353431][T14210] batman_adv: batadv0: Adding interface: vlan1464 [ 1721.379726][T14210] batman_adv: batadv0: The MTU of interface vlan1464 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1721.454205][T14210] batman_adv: batadv0: Not using interface vlan1464 (retrying later): interface not active [ 1721.475086][T14205] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:57 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1701, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:57 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa6}}], 0x1, 0x0) 00:18:57 executing program 3: 00:18:57 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb0}}], 0x1, 0x0) 00:18:57 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d58}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:57 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0xfffffffc, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:57 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa7}}], 0x1, 0x0) [ 1721.744123][T14242] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:57 executing program 3: 00:18:57 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb1}}], 0x1, 0x0) 00:18:57 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa8}}], 0x1, 0x0) 00:18:58 executing program 3: 00:18:58 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb2}}], 0x1, 0x0) [ 1722.086380][T14248] batman_adv: batadv0: Adding interface: vlan1465 [ 1722.129663][T14248] batman_adv: batadv0: The MTU of interface vlan1465 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1722.204136][T14248] batman_adv: batadv0: Not using interface vlan1465 (retrying later): interface not active [ 1722.235975][T14242] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:58 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1800, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:58 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xa9}}], 0x1, 0x0) 00:18:58 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0xffffffff, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:58 executing program 3: 00:18:58 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d59}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:58 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb3}}], 0x1, 0x0) 00:18:58 executing program 3: 00:18:58 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:58 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xaa}}], 0x1, 0x0) 00:18:58 executing program 3: r0 = socket(0x10, 0x2, 0x0) ioctl$sock_ipv4_tunnel_SIOCCHGTUNNEL(r0, 0x89f3, &(0x7f0000000200)={'syztnl1\x00', &(0x7f0000001740)={'syztnl2\x00', 0x0, 0x0, 0x0, 0x0, 0x0, {{0x5, 0x4, 0x0, 0x0, 0x14, 0x0, 0x0, 0x0, 0x0, 0x0, @remote, @multicast1}}}}) 00:18:58 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb4}}], 0x1, 0x0) [ 1722.506539][T14293] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:58 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xab}}], 0x1, 0x0) [ 1722.756079][T14300] batman_adv: batadv0: Adding interface: vlan1466 [ 1722.777952][T14300] batman_adv: batadv0: The MTU of interface vlan1466 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1722.849974][T14300] batman_adv: batadv0: Not using interface vlan1466 (retrying later): interface not active [ 1722.877859][T14293] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:59 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1801, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:59 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x2, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:59 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb5}}], 0x1, 0x0) 00:18:59 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xac}}], 0x1, 0x0) 00:18:59 executing program 3: pipe(&(0x7f0000000200)) fsopen(&(0x7f0000000000)='sysfs\x00', 0x0) syz_open_dev$binderN(&(0x7f0000000040)='/dev/binder#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000580)={0x2, 0x70, 0x7e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) unshare(0x600) pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000140)={0x1ff}, &(0x7f0000000200), 0x0) 00:18:59 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d5a}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:59 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xad}}], 0x1, 0x0) 00:18:59 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x3, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:59 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb6}}], 0x1, 0x0) [ 1723.052184][T14334] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:18:59 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x101}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x38, 0x2, 0x0, 0x0, 0x7}, 0x0) pipe(&(0x7f0000000180)={0xffffffffffffffff}) open(&(0x7f0000000400)='./bus\x00', 0x14103e, 0x0) vmsplice(r1, &(0x7f0000000000)=[{&(0x7f0000000500), 0xfffffe00}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x0, 0x8, 0x3, 0x3}, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="880000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="db80833c000000006000128008000100767469005400028008000400ac1e000108000100", @ANYBLOB="08000500e000000208000500ac14142808000500e0000002080003000902000008000600"], 0x88}}, 0x0) 00:18:59 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xae}}], 0x1, 0x0) 00:18:59 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb7}}], 0x1, 0x0) [ 1723.405465][T14336] batman_adv: batadv0: Adding interface: vlan1467 [ 1723.424419][T14336] batman_adv: batadv0: The MTU of interface vlan1467 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1723.465266][T14336] batman_adv: batadv0: Not using interface vlan1467 (retrying later): interface not active [ 1723.480362][T14352] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1723.502750][T14352] netlink: 64 bytes leftover after parsing attributes in process `syz-executor.3'. 00:18:59 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1900, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:18:59 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xaf}}], 0x1, 0x0) 00:18:59 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb8}}], 0x1, 0x0) 00:18:59 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x4, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:59 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d5b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:18:59 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x5, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:18:59 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb0}}], 0x1, 0x0) 00:18:59 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb9}}], 0x1, 0x0) 00:18:59 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb1}}], 0x1, 0x0) [ 1723.955039][T14387] batman_adv: batadv0: Adding interface: vlan1468 [ 1723.968350][T14387] batman_adv: batadv0: The MTU of interface vlan1468 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1724.028603][T14387] batman_adv: batadv0: Not using interface vlan1468 (retrying later): interface not active 00:19:00 executing program 3: prlimit64(0x0, 0xe, 0x0, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000280)={0x38, 0x2, 0x0, 0x0, 0x8}, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) recvmmsg(r1, &(0x7f00000041c0)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000bc0)=""/98, 0x62}}], 0x1, 0x120, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x1, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x7e, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x9000, 0x0, 0x40}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_dev$usbfs(&(0x7f0000000040)='/dev/bus/usb/00#/00#\x00', 0x4000000000000071, 0x0) 00:19:00 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xba}}], 0x1, 0x0) 00:19:00 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb2}}], 0x1, 0x0) 00:19:00 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1901, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:19:00 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x8, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:00 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d5c}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:19:00 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb3}}], 0x1, 0x0) 00:19:00 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xbb}}], 0x1, 0x0) 00:19:00 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xbc}}], 0x1, 0x0) 00:19:00 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb4}}], 0x1, 0x0) 00:19:00 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xbd}}], 0x1, 0x0) 00:19:00 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb5}}], 0x1, 0x0) [ 1724.539824][T14432] batman_adv: batadv0: Adding interface: vlan1469 [ 1724.572643][T14432] batman_adv: batadv0: The MTU of interface vlan1469 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1724.655102][T14432] batman_adv: batadv0: Not using interface vlan1469 (retrying later): interface not active 00:19:01 executing program 3: 00:19:01 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb6}}], 0x1, 0x0) 00:19:01 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xbe}}], 0x1, 0x0) 00:19:01 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x9, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:01 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1a00, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:19:01 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d5d}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:19:01 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0xe, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:01 executing program 3: 00:19:01 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xbf}}], 0x1, 0x0) 00:19:01 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb7}}], 0x1, 0x0) 00:19:01 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000240)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) recvmmsg(r1, &(0x7f0000008880), 0x400000000000249, 0x0, 0x0) pipe(0x0) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(0xffffffffffffffff, &(0x7f0000000340), 0x41395527) ioctl$TUNSETPERSIST(0xffffffffffffffff, 0x400454cb, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x1, 0x0, 0x3, 0x9, 0x4000}, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sendmsg$MPTCP_PM_CMD_GET_LIMITS(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) newfstatat(0xffffffffffffff9c, 0x0, 0x0, 0x4000) timerfd_create(0x0, 0x80000) perf_event_open(&(0x7f0000000280)={0x2, 0x70, 0x6a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x2}, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000400)='/dev/fuse\x00', 0x2, 0x0) sendmsg$BATADV_CMD_GET_HARDIF(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000100), 0xc, &(0x7f0000000340)={&(0x7f00000004c0)=ANY=[@ANYRES16=0x0, @ANYBLOB="000426bd70df2505000000050038000100000a000900bbd2bbbbbbbb00196444cd869d242079bb2a000000e8ff05002800"], 0x48}}, 0x0) mount$fuse(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000940)='fuse\x00', 0x0, &(0x7f0000000140)={{'fd', 0x3d, r2}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id'}}) 00:19:01 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc0}}], 0x1, 0x0) 00:19:01 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb8}}], 0x1, 0x0) 00:19:01 executing program 3: openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/slabinfo\x00', 0x0, 0x0) readv(0xffffffffffffffff, &(0x7f0000002340), 0x0) accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$EXT4_IOC_SWAP_BOOT(0xffffffffffffffff, 0x6611) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000000c0)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$evdev(0x0, 0x0, 0x0) ioctl$EVIOCSCLOCKID(r0, 0x400445a0, &(0x7f00000001c0)=0x5) sendmsg$AUDIT_USER_TTY(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[@ANYRES64], 0x1}}, 0x0) r1 = creat(&(0x7f0000000300)='./bus\x00', 0x102) creat(&(0x7f00000002c0)='./bus\x00', 0x2) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000580)={'veth0_to_bond\x00', 0x0}) setsockopt$SO_TIMESTAMP(0xffffffffffffffff, 0x1, 0x1d, &(0x7f0000000040)=0x1, 0x4) bind$packet(0xffffffffffffffff, &(0x7f0000000080)={0x11, 0x0, r2, 0x1, 0x0, 0x6, @link_local}, 0x14) sendto$packet(0xffffffffffffffff, &(0x7f0000000140)="bb53a945842851722bb479853e60", 0xe, 0x0, 0x0, 0x0) setsockopt$bt_BT_VOICE(0xffffffffffffffff, 0x112, 0xb, &(0x7f0000000000), 0x2) ioctl$FS_IOC_SETVERSION(r1, 0xc0c0583b, &(0x7f0000000080)=0x80000000000000) 00:19:01 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc1}}], 0x1, 0x0) [ 1725.366096][T14473] batman_adv: batadv0: Adding interface: vlan1470 [ 1725.386503][T14473] batman_adv: batadv0: The MTU of interface vlan1470 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:19:01 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xb9}}], 0x1, 0x0) [ 1725.447668][T14473] batman_adv: batadv0: Not using interface vlan1470 (retrying later): interface not active 00:19:01 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1a01, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:19:01 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0xf, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:01 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d5e}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:19:01 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xba}}], 0x1, 0x0) 00:19:01 executing program 3: r0 = syz_open_dev$sndctrl(&(0x7f0000000000)='/dev/snd/controlC#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(r0, 0xc4c85512, 0x0) 00:19:01 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc2}}], 0x1, 0x0) 00:19:01 executing program 3: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) dup2(r1, r0) write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f0000000180)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000300)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_IP(r0, &(0x7f0000000200)={0x3, 0x40, 0xfa04, {{0x6000000, 0x0, 0x0, @private1={0xfc, 0x1, [0x0, 0x0, 0x9]}}, {0xa, 0x0, 0x0, @dev}, r2}}, 0x48) 00:19:01 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xbb}}], 0x1, 0x0) 00:19:01 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc3}}], 0x1, 0x0) 00:19:02 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xbc}}], 0x1, 0x0) 00:19:02 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc4}}], 0x1, 0x0) 00:19:02 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x60, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1726.089715][T14535] batman_adv: batadv0: Adding interface: vlan1471 [ 1726.115815][T14535] batman_adv: batadv0: The MTU of interface vlan1471 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1726.188353][T14535] batman_adv: batadv0: Not using interface vlan1471 (retrying later): interface not active [ 1726.210272][T14524] __nla_validate_parse: 10 callbacks suppressed [ 1726.210280][T14524] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:02 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1b00, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:19:02 executing program 3: r0 = socket(0x1f, 0x1, 0x0) setsockopt$sock_int(r0, 0xffff, 0x1004, 0x0, 0x0) 00:19:02 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xbd}}], 0x1, 0x0) 00:19:02 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc5}}], 0x1, 0x0) 00:19:02 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0xf0, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:02 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d5f}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:19:02 executing program 3: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) openat(0xffffffffffffffff, &(0x7f0000000000)='/', 0x0, 0x0) [ 1726.370235][T14575] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:02 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xbe}}], 0x1, 0x0) 00:19:02 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc6}}], 0x1, 0x0) 00:19:02 executing program 3: r0 = syz_open_dev$dri(&(0x7f0000000040)='/dev/dri/card#\x00', 0x0, 0x0) ioctl$DRM_IOCTL_MODE_CREATE_DUMB(r0, 0xc02064b2, &(0x7f0000000000)={0x53, 0x80, 0x2}) ioctl$DRM_IOCTL_MODE_CREATE_DUMB(r0, 0xc02064b2, &(0x7f0000000080)={0x4, 0x4, 0x2000003}) r1 = socket$netlink(0x10, 0x3, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) ioctl$sock_inet6_SIOCADDRT(0xffffffffffffffff, 0x890b, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000000)) dup3(r1, r0, 0x0) 00:19:02 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xbf}}], 0x1, 0x0) 00:19:02 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x300, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1726.628072][T14584] batman_adv: batadv0: Adding interface: vlan1472 [ 1726.658653][T14584] batman_adv: batadv0: The MTU of interface vlan1472 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1726.769426][T14584] batman_adv: batadv0: Not using interface vlan1472 (retrying later): interface not active [ 1726.815426][T14575] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:03 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1b01, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:19:03 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc7}}], 0x1, 0x0) 00:19:03 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000240)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) recvmmsg(r1, &(0x7f0000008880), 0x400000000000249, 0x0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) ioctl$TUNSETPERSIST(0xffffffffffffffff, 0x400454cb, 0x0) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x1, 0x0, 0x3, 0x9, 0x4000}, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) sendmsg$MPTCP_PM_CMD_GET_LIMITS(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) newfstatat(0xffffffffffffff9c, 0x0, 0x0, 0x4000) timerfd_create(0x0, 0x80000) perf_event_open(&(0x7f0000000280)={0x2, 0x70, 0x6a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000, 0x0, @perf_config_ext={0x2}, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000400)='/dev/fuse\x00', 0x2, 0x0) sendmsg$BATADV_CMD_GET_HARDIF(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f00000004c0)=ANY=[@ANYRES16=0x0, @ANYBLOB="000426bd70df2505000000050038000100000a000900bbd2bbbbbbbb00196444cd869d242079bb2a000000e8ff05002800"], 0x48}}, 0x0) mount$fuse(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000940)='fuse\x00', 0x0, &(0x7f0000000140)={{'fd', 0x3d, r4}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id'}}) 00:19:03 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc0}}], 0x1, 0x0) 00:19:03 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x500, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:03 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d60}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:19:03 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc8}}], 0x1, 0x0) 00:19:03 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc1}}], 0x1, 0x0) [ 1727.025028][T14622] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:03 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c00, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:19:03 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc2}}], 0x1, 0x0) 00:19:03 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc9}}], 0x1, 0x0) 00:19:03 executing program 3: r0 = memfd_create(&(0x7f0000000200)='G\x84\xe7R\xb5\xbc\xeal\x01\x86\x01\xff\xff\xff\xff\x00\x00\x00\x00\x1bX\x93\xbbqz\x01o\x81\xa6\x02Wq\x8c\xbfx\xdd\xd4\xf1\aQu8\x99:\x06\xb9\xbe\f&Ws\x83\xd6&s3\v7n0Oj\xff0\xea(\xeb\x986\x14\a\x95:\xeb\xf9A\xfb\x13k\xed{\xed*\xa5p37m\xa8\xa7\x95&\xb0\x93p\xa3\xa7\xda\xf2H\x9f\xf5D\xae\b\x81=\xdb]\xcb\x10\xb7\x89\x8e\x8a\x9a\x80^k\xc9t\x1c\x00\x1a\x1d.\xe5\x18I\aRW\x99\x1f\xb1#\x1efv\xb7\xe8\x01\x03\t\b\x95\xa9Q\x8a\xe2\xbeq\x1e=\xebh\xd1S\x18\xff\xb7\xae\x9c\x9d#\xf7o\xcf\xf3\xeb@\x97\xdc\x9c\r0\xe4^f\xf59g\xa0\xe5\xe4\x1bN\xc6\xff7\xb3\x10\'\xc0\x04\xd5\xef\a70\x8e\xfb\x1e\x15\v\x12Ms7\x03\xa4\xbfv\xaf\xf8\x13F!\x17c\xde$\x1de(\xfb)\xc9\xaam\xad\xda\x03\x16.\xdb,\x86E~gO {J\x17*\x8bX\xb4/\xf9\xa6\xea\x9c\x12\x01\x91\x16\xff}\xa4\x95s\x87vH\xd8f\x01\x1f\xde\x8d0\"\xa3jM\xbb\xd65\xc2\n\x90\xdbP\xe8\xb1\xec\xd4\b\xba\x83\xd1)\x95\x06\xb9\xc1\xd3', 0x0) write$binfmt_elf32(r0, &(0x7f0000000000)=ANY=[], 0xfffffe47) r1 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/binder/stats\x00', 0x0, 0x0) lseek(r0, 0xffffffffffffffff, 0x4) sendfile(r0, r1, 0x0, 0x80000001) 00:19:03 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc3}}], 0x1, 0x0) 00:19:03 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xca}}], 0x1, 0x0) [ 1727.372005][T14627] batman_adv: batadv0: Adding interface: vlan1473 [ 1727.400067][T14627] batman_adv: batadv0: The MTU of interface vlan1473 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:19:03 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc4}}], 0x1, 0x0) 00:19:03 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xcb}}], 0x1, 0x0) [ 1727.537268][T14627] batman_adv: batadv0: Not using interface vlan1473 (retrying later): interface not active 00:19:03 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x900, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1727.632187][T14622] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:03 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc5}}], 0x1, 0x0) 00:19:03 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xcc}}], 0x1, 0x0) 00:19:03 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d61}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:19:03 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c01, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:19:03 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0xe00, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:03 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xcd}}], 0x1, 0x0) [ 1727.858400][T14684] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:04 executing program 3: fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) close(0xffffffffffffffff) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080)='/dev/net/tun\x00', 0x88002, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000100)={'syzkaller1\x00', 0xa732}) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000180)=ANY=[], 0x208e24b) r1 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_inet_SIOCSIFADDR(r1, 0x8914, &(0x7f0000000000)={'syzkaller1\x00', {0x7, 0x0, @empty}}) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00'}) write$binfmt_misc(0xffffffffffffffff, 0x0, 0x1000000c8) splice(0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0) 00:19:04 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc6}}], 0x1, 0x0) 00:19:04 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xce}}], 0x1, 0x0) 00:19:04 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc7}}], 0x1, 0x0) 00:19:04 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xcf}}], 0x1, 0x0) [ 1728.156470][T14687] batman_adv: batadv0: Adding interface: vlan1474 [ 1728.203665][T14687] batman_adv: batadv0: The MTU of interface vlan1474 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:19:04 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd0}}], 0x1, 0x0) 00:19:04 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc8}}], 0x1, 0x0) 00:19:04 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd1}}], 0x1, 0x0) [ 1728.358357][T14687] batman_adv: batadv0: Not using interface vlan1474 (retrying later): interface not active 00:19:04 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d62}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:19:04 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd2}}], 0x1, 0x0) 00:19:04 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1d00, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:19:04 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xc9}}], 0x1, 0x0) 00:19:04 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f00000000c0)=0x100000001, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r0, 0x6, 0x14, &(0x7f0000000000)=0x1, 0x4) connect$inet6(r0, &(0x7f0000000180)={0xa, 0x0, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f00000005c0), 0xfffffffffffffee0, 0x0, 0x0, 0xb6) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) getsockopt$netlink(0xffffffffffffffff, 0x10e, 0x0, 0x0, &(0x7f0000000000)) ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) 00:19:04 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0xf00, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:04 executing program 3: ioctl$EXT4_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, 0x0) r0 = socket$unix(0x1, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) add_key$user(0x0, 0x0, &(0x7f0000000200), 0x0, 0x0) connect$packet(0xffffffffffffffff, 0x0, 0x0) mkdir(&(0x7f0000000040)='./file0\x00', 0x0) keyctl$revoke(0x3, 0x0) mount(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='securityfs\x00', 0x0, 0x0) 00:19:04 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xca}}], 0x1, 0x0) 00:19:04 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd3}}], 0x1, 0x0) [ 1728.606403][T14745] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:04 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xcb}}], 0x1, 0x0) 00:19:04 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd4}}], 0x1, 0x0) 00:19:04 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x15b8, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1728.836352][T14748] batman_adv: batadv0: Adding interface: vlan1475 [ 1728.882707][T14748] batman_adv: batadv0: The MTU of interface vlan1475 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1728.951772][T14748] batman_adv: batadv0: Not using interface vlan1475 (retrying later): interface not active [ 1728.993294][T14745] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:05 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d63}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:19:05 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xcc}}], 0x1, 0x0) 00:19:05 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1d01, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:19:05 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd5}}], 0x1, 0x0) 00:19:05 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) tkill(0x0, 0x31) openat$qrtrtun(0xffffffffffffff9c, &(0x7f0000000100)='/dev/qrtr-tun\x00', 0x0) 00:19:05 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x3f00, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:05 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xcd}}], 0x1, 0x0) 00:19:05 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x6000, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1729.211661][T14793] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:05 executing program 3: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_udp(0x2, 0x2, 0x0) close(r2) r3 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080)='/dev/net/tun\x00', 0x88002, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000000100)={'syzkaller1\x00', 0xa732}) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_inet_SIOCSIFADDR(r4, 0x8914, &(0x7f0000000000)={'syzkaller1\x00', {0x7, 0x0, @empty}}) r5 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r5, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x102}) write$binfmt_misc(r1, &(0x7f0000000140)=ANY=[], 0x1000000c8) splice(r0, 0x0, r2, 0x0, 0x80000010008, 0x0) 00:19:05 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd6}}], 0x1, 0x0) 00:19:05 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xce}}], 0x1, 0x0) 00:19:05 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xcf}}], 0x1, 0x0) [ 1729.539471][T14799] batman_adv: batadv0: Adding interface: vlan1476 [ 1729.561582][T14799] batman_adv: batadv0: The MTU of interface vlan1476 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1729.643455][T14799] batman_adv: batadv0: Not using interface vlan1476 (retrying later): interface not active 00:19:05 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d64}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:19:05 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd7}}], 0x1, 0x0) 00:19:05 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd0}}], 0x1, 0x0) 00:19:05 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1e00, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:19:05 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0xb815, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1729.705190][T14793] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:05 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd8}}], 0x1, 0x0) 00:19:05 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd1}}], 0x1, 0x0) 00:19:06 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0xf000, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1729.994473][T14848] batman_adv: batadv0: Adding interface: vlan1477 [ 1730.016349][T14848] batman_adv: batadv0: The MTU of interface vlan1477 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1730.059042][T14848] batman_adv: batadv0: Not using interface vlan1477 (retrying later): interface not active 00:19:06 executing program 3: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x69, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs$namespace(0x0, &(0x7f0000000000)='ns/cgroup\x00') 00:19:06 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd9}}], 0x1, 0x0) 00:19:06 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd2}}], 0x1, 0x0) 00:19:06 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x30000, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:06 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d65}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:19:06 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xda}}], 0x1, 0x0) 00:19:06 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd3}}], 0x1, 0x0) 00:19:06 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1e01, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:19:06 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x4, 0x0, 0x0) socket(0x0, 0x0, 0x0) ioctl$sock_inet_SIOCSIFDSTADDR(0xffffffffffffffff, 0x8918, 0x0) setsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, 0x0, 0x0) setsockopt$IPT_SO_SET_ADD_COUNTERS(0xffffffffffffffff, 0x0, 0x41, 0x0, 0x0) setsockopt$inet_opts(r0, 0x0, 0x4, 0x0, 0x0) 00:19:06 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x34000, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:06 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xdb}}], 0x1, 0x0) [ 1730.461476][T14883] batman_adv: batadv0: Adding interface: vlan1478 [ 1730.483811][T14883] batman_adv: batadv0: The MTU of interface vlan1478 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:19:06 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd4}}], 0x1, 0x0) [ 1730.616115][T14883] batman_adv: batadv0: Not using interface vlan1478 (retrying later): interface not active 00:19:06 executing program 3: r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000240)='net/igmp6\x00') r1 = socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) setsockopt$inet_tcp_int(r1, 0x6, 0x210000000013, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet_tcp_int(r1, 0x6, 0x18, &(0x7f0000000100)=0xffffffff80000001, 0x4) bind$inet(r1, &(0x7f0000738ff0)={0x2, 0x4e21, @empty}, 0x35) connect$inet(r1, &(0x7f0000000180)={0x2, 0x4e21, @local}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r1, 0x6, 0x16, &(0x7f0000000340)=[@timestamp, @mss, @sack_perm, @mss, @sack_perm, @timestamp, @window, @timestamp], 0x8) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r1, 0x6, 0x1d, &(0x7f0000000080)={0x0, 0x40004007fff, 0x32fe3ef0}, 0x14) sendfile(r1, r0, 0x0, 0xedc0) 00:19:06 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xdc}}], 0x1, 0x0) 00:19:06 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd5}}], 0x1, 0x0) 00:19:06 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d66}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:19:06 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x400300, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:06 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xdd}}], 0x1, 0x0) 00:19:06 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd6}}], 0x1, 0x0) [ 1731.043180][T14937] batman_adv: batadv0: Adding interface: vlan1479 [ 1731.071293][T14937] batman_adv: batadv0: The MTU of interface vlan1479 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:19:07 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1f00, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:19:07 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xde}}], 0x1, 0x0) 00:19:07 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd7}}], 0x1, 0x0) 00:19:07 executing program 3: r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000240)='net/igmp6\x00') r1 = socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) setsockopt$inet_tcp_int(r1, 0x6, 0x210000000013, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet_tcp_int(r1, 0x6, 0x18, &(0x7f0000000100)=0xffffffff80000001, 0x4) bind$inet(r1, &(0x7f0000738ff0)={0x2, 0x4e21, @empty}, 0x35) connect$inet(r1, &(0x7f0000000180)={0x2, 0x4e21, @local}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r1, 0x6, 0x16, &(0x7f0000000340)=[@timestamp, @mss, @sack_perm, @mss, @sack_perm, @timestamp, @window, @timestamp], 0x8) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r1, 0x6, 0x1d, &(0x7f0000000080)={0x0, 0x40004007fff, 0x32fe3ef0}, 0x14) sendfile(r1, r0, 0x0, 0xedc0) [ 1731.135648][T14937] batman_adv: batadv0: Not using interface vlan1479 (retrying later): interface not active 00:19:07 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0xf0ffff, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1731.216314][T14937] __nla_validate_parse: 5 callbacks suppressed [ 1731.216323][T14937] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:07 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xdf}}], 0x1, 0x0) 00:19:07 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd8}}], 0x1, 0x0) 00:19:07 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe0}}], 0x1, 0x0) 00:19:07 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d67}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:19:07 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xd9}}], 0x1, 0x0) 00:19:07 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x38, 0x2, 0x0, 0x0, 0x7}, 0x0) sendmsg$TIPC_CMD_GET_MAX_PORTS(0xffffffffffffffff, 0x0, 0x4080) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) r1 = creat(&(0x7f0000000080)='./file0\x00', 0x0) write$cgroup_type(r1, &(0x7f0000000180)='threaded\x00', 0x2d1ee37) sched_setattr(0x0, 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000100), 0x2c9f9de1) vmsplice(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528aca1}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0) r2 = syz_open_dev$loop(&(0x7f0000000280)='/dev/loop#\x00', 0x0, 0x100082) r3 = memfd_create(&(0x7f00000003c0)='\x06\x00\x00!\x00\x00\x00\x00u\x86e\x00\x00\t\x00\xa9\x03\x00\x00\xd6\xfbmZ\x84~\x9e\xf6\xb7\xc0\x8ac\x86l\xff\x7f\x00\x00\x90`\xc4\xf1L\x99\x06\x00\xe1\vn\xe0\x8d\x8a\xf2g\xeb\xa2q\x82\xd6\x1f\x98\xd8\xc6k\xeb\xb2O\x8c\x81Y\xbc*\xb3\xb3\x7ft\xab\xecoB\xcc\x1b8\xa29\xa7`\x91\xeb\x0f\xa2\xa5r\x0e4\t\xe3\xbf\xd43\x81\xa6\x19\xe1\xec\x85\xe9+\x197\xf1\xd3\xe2\xc6\xfbL\x91\xdf\xc5\xb2\x9c\xa2\a3\xb2\x8bN\x19\xb9x-\xe4{\xdd~\xe5\xbf\xc0]l\xf7\x00'/151, 0x0) pwritev(r3, &(0x7f0000001400)=[{&(0x7f00000007c0)="cdfdfdae56", 0x5}], 0x1, 0x8180a) sendfile(r2, r3, 0x0, 0x20000102000003) 00:19:07 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe1}}], 0x1, 0x0) [ 1731.649365][T14982] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:07 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1f01, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:19:07 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x1000000, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:07 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xda}}], 0x1, 0x0) 00:19:07 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe2}}], 0x1, 0x0) [ 1731.811699][T14985] batman_adv: batadv0: Adding interface: vlan1480 [ 1731.826785][T14985] batman_adv: batadv0: The MTU of interface vlan1480 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:19:08 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe3}}], 0x1, 0x0) 00:19:08 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xdb}}], 0x1, 0x0) [ 1731.987552][T14985] batman_adv: batadv0: Not using interface vlan1480 (retrying later): interface not active 00:19:08 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xdc}}], 0x1, 0x0) [ 1732.079690][T14982] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:08 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x2000000, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:08 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d68}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:19:08 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe4}}], 0x1, 0x0) 00:19:08 executing program 3: 00:19:08 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xdd}}], 0x1, 0x0) [ 1732.337436][T15025] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:08 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x2000, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:19:08 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x3000000, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:08 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe5}}], 0x1, 0x0) 00:19:08 executing program 3: 00:19:08 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xde}}], 0x1, 0x0) 00:19:08 executing program 3: 00:19:08 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe6}}], 0x1, 0x0) 00:19:08 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xdf}}], 0x1, 0x0) [ 1732.637080][T15026] batman_adv: batadv0: Adding interface: vlan1481 [ 1732.659615][T15026] batman_adv: batadv0: The MTU of interface vlan1481 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1732.742327][T15026] batman_adv: batadv0: Not using interface vlan1481 (retrying later): interface not active [ 1732.778369][T15025] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:08 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d69}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:19:08 executing program 3: r0 = socket(0x18, 0x0, 0x0) close(r0) r1 = socket$can_j1939(0x1d, 0x2, 0x7) r2 = socket$inet(0x2, 0x4000000000000001, 0x0) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000300)={'vcan0\x00', 0x0}) bind$can_j1939(r1, &(0x7f0000000340)={0x1d, r3}, 0x18) connect$can_j1939(r0, &(0x7f00000000c0)={0x1d, r3}, 0x18) sendmsg$WG_CMD_SET_DEVICE(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000001680)={0x28, 0x0, 0x0, 0x0, 0x0, {}, [@WGDEVICE_A_IFNAME={0x14, 0x2, 'wg1\x00'}]}, 0x28}}, 0x0) sendmmsg$alg(r0, &(0x7f00000000c0), 0x4924924924924d8, 0x0) 00:19:08 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe7}}], 0x1, 0x0) 00:19:08 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe0}}], 0x1, 0x0) [ 1732.876540][T15062] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:09 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x2001, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:19:09 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x4000000, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:09 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe1}}], 0x1, 0x0) 00:19:09 executing program 3: r0 = socket$inet(0x2, 0x3, 0x1b) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @local}, 0x10) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket(0x400000000000010, 0x802, 0x0) write(r3, &(0x7f00000000c0)="24000000200099f0003be90000ed190e020008160000100000ba1080080002007f196be0", 0x24) setsockopt$inet_mreqn(r0, 0x0, 0x21, &(0x7f0000000440)={@multicast2=0xff000000, @local}, 0xc) 00:19:09 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe8}}], 0x1, 0x0) 00:19:09 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe2}}], 0x1, 0x0) 00:19:09 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe9}}], 0x1, 0x0) [ 1733.095835][T15069] batman_adv: batadv0: Adding interface: vlan1482 [ 1733.138120][T15069] batman_adv: batadv0: The MTU of interface vlan1482 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:19:09 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe3}}], 0x1, 0x0) [ 1733.232461][T15069] batman_adv: batadv0: Not using interface vlan1482 (retrying later): interface not active [ 1733.278486][T15062] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:09 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d6a}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:19:09 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xea}}], 0x1, 0x0) 00:19:09 executing program 3: pipe(&(0x7f0000000200)) socket$inet_udplite(0x2, 0x2, 0x88) socket(0x10, 0x2, 0x0) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ttyS3\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000140)={0x1ff}, 0x0, 0x0) 00:19:09 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x5000000, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1733.478216][T15112] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1733.626149][T15113] batman_adv: batadv0: Adding interface: vlan1483 [ 1733.633999][T15113] batman_adv: batadv0: The MTU of interface vlan1483 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1733.664082][T15113] batman_adv: batadv0: Not using interface vlan1483 (retrying later): interface not active [ 1733.681923][T15112] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:09 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x2100, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:19:09 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe4}}], 0x1, 0x0) 00:19:09 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xeb}}], 0x1, 0x0) 00:19:09 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x8000000, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:09 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d6b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:19:09 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xec}}], 0x1, 0x0) [ 1733.839165][T15125] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:09 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe5}}], 0x1, 0x0) [ 1733.961507][T15133] batman_adv: batadv0: Adding interface: vlan1484 [ 1733.968219][T15133] batman_adv: batadv0: The MTU of interface vlan1484 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:19:10 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xed}}], 0x1, 0x0) [ 1734.002213][T15133] batman_adv: batadv0: Not using interface vlan1484 (retrying later): interface not active 00:19:10 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x9000000, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:10 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe6}}], 0x1, 0x0) 00:19:12 executing program 3: 00:19:12 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d6c}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:19:12 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0xe000000, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:12 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xee}}], 0x1, 0x0) 00:19:12 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe7}}], 0x1, 0x0) 00:19:12 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x2101, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:19:12 executing program 3: [ 1736.489418][T15171] __nla_validate_parse: 1 callbacks suppressed [ 1736.489425][T15171] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:12 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe8}}], 0x1, 0x0) 00:19:12 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xef}}], 0x1, 0x0) 00:19:12 executing program 3: 00:19:12 executing program 3: 00:19:12 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xe9}}], 0x1, 0x0) 00:19:12 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xf0}}], 0x1, 0x0) [ 1736.733868][T15180] batman_adv: batadv0: Adding interface: vlan1485 [ 1736.775749][T15180] batman_adv: batadv0: The MTU of interface vlan1485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1736.845167][T15180] batman_adv: batadv0: Not using interface vlan1485 (retrying later): interface not active 00:19:13 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d6d}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:19:13 executing program 3: 00:19:13 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xf1}}], 0x1, 0x0) 00:19:13 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xea}}], 0x1, 0x0) [ 1736.902875][T15171] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1736.998382][T15208] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1737.135448][T15213] batman_adv: batadv0: Adding interface: vlan1486 [ 1737.144792][T15213] batman_adv: batadv0: The MTU of interface vlan1486 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1737.174043][T15213] batman_adv: batadv0: Not using interface vlan1486 (retrying later): interface not active [ 1737.195496][T15208] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:13 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x2200, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:19:13 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0xf000000, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:13 executing program 3: 00:19:13 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xeb}}], 0x1, 0x0) 00:19:13 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xf2}}], 0x1, 0x0) 00:19:13 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d6e}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:19:13 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x3f000000, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:13 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x9cc46edb4bdacb55}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2) ioctl$sock_inet6_SIOCSIFADDR(0xffffffffffffffff, 0x8916, 0x0) add_key(&(0x7f0000000280)='ceph\x00', 0x0, &(0x7f0000001400)="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", 0x800, 0x0) r0 = open(&(0x7f00000000c0)='./file0\x00', 0x40c2, 0x0) r1 = open$dir(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) write(r0, &(0x7f0000000600)="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", 0xe00) sendfile(r0, r1, 0x0, 0x12000) stat(0x0, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0}) setuid(r2) syz_genetlink_get_family_id$nl80211(0x0) r3 = socket$inet6(0xa, 0x0, 0xff) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(0xffffffffffffffff, &(0x7f0000000340), 0x41395527) sendmsg$IPSET_CMD_TYPE(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x24, 0xd, 0x6, 0x201, 0x0, 0x0, {0xc, 0x0, 0xa}, [@IPSET_ATTR_TYPENAME={0xe, 0x3, 'bitmap:ip\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x20000010}, 0x40000) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x0, 0x0, @loopback}, 0x1c) getsockname$packet(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet6_IPV6_IPSEC_POLICY(r3, 0x29, 0x22, &(0x7f00000001c0)={{{@in=@empty, @in6=@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', 0x4e23, 0x0, 0x0, 0x7f, 0x0, 0xa0, 0x80, 0x5e}, {0x3, 0x3, 0x0, 0x0, 0x0, 0x0, 0x2, 0x1}, {0x3f, 0x0, 0xffffffff}, 0x8, 0x0, 0x2, 0x1, 0x0, 0x3}, {{@in=@dev={0xac, 0x14, 0x14, 0x25}, 0x4d3, 0xff}, 0x2, @in6=@initdev={0xfe, 0x88, [], 0x0, 0x0}, 0x3507, 0x0, 0x3, 0x0, 0x0, 0x0, 0x9d12}}, 0xe8) [ 1737.473803][T15233] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:13 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xf3}}], 0x1, 0x0) 00:19:13 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xec}}], 0x1, 0x0) [ 1737.921328][T15239] batman_adv: batadv0: Adding interface: vlan1487 [ 1737.948518][T15239] batman_adv: batadv0: The MTU of interface vlan1487 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:19:14 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xf4}}], 0x1, 0x0) [ 1738.095717][T15239] batman_adv: batadv0: Not using interface vlan1487 (retrying later): interface not active 00:19:14 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x60000000, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1738.167045][T15233] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1747.333909][T15274] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1747.612635][T15275] batman_adv: batadv0: Adding interface: vlan1488 [ 1747.640145][T15275] batman_adv: batadv0: The MTU of interface vlan1488 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1747.781162][T15275] batman_adv: batadv0: Not using interface vlan1488 (retrying later): interface not active [ 1747.855590][T15274] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:19:23 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x2201, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:19:23 executing program 4: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="4800000010000507000000001000000000000040", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x21d6f}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 00:19:23 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x29, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xed}}], 0x1, 0x0) 00:19:23 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x1c, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2, 0x0, 0xf5}}], 0x1, 0x0) 00:19:23 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0x9effffff, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) 00:19:23 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f0000001e80)=[{{0x0, 0x2300, &(0x7f0000000700)=[{&(0x7f0000000000)="f4", 0x1}, {&(0x7f0000000540)='\a', 0x7ffff000}], 0x2}}], 0x1, 0x0) 00:19:24 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000600)={0x2c, r1, 0x1, 0x0, 0xb8150000, {0x7}, [@ETHTOOL_A_STRSET_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}]}, 0x2c}}, 0x0) [ 1929.215182][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1929.222127][ C1] rcu: 1-....: (10500 ticks this GP) idle=8ea/1/0x4000000000000000 softirq=158429/158429 fqs=4907 [ 1929.233289][ C1] (t=10500 jiffies g=287845 q=106) [ 1929.238492][ C1] NMI backtrace for cpu 1 [ 1929.242810][ C1] CPU: 1 PID: 15241 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1929.251450][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1929.261516][ C1] Call Trace: [ 1929.264768][ C1] [ 1929.267600][ C1] dump_stack+0x18f/0x20d [ 1929.271918][ C1] nmi_cpu_backtrace.cold+0x70/0xb1 [ 1929.277093][ C1] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 1929.282699][ C1] nmi_trigger_cpumask_backtrace+0x1b3/0x223 [ 1929.288654][ C1] rcu_dump_cpu_stacks+0x194/0x1cf [ 1929.293738][ C1] rcu_sched_clock_irq.cold+0x5b3/0xccc [ 1929.299292][ C1] ? lock_is_held_type+0xb0/0xe0 [ 1929.304200][ C1] ? rcutree_dead_cpu+0x10/0x10 [ 1929.309052][ C1] ? lockdep_hardirqs_off+0x66/0xa0 [ 1929.314220][ C1] ? trace_hardirqs_off+0x27/0x210 [ 1929.319318][ C1] update_process_times+0x25/0x60 [ 1929.324319][ C1] tick_sched_handle+0x9b/0x180 [ 1929.329151][ C1] tick_sched_timer+0x108/0x290 [ 1929.333976][ C1] __hrtimer_run_queues+0x1d5/0xfc0 [ 1929.339143][ C1] ? can_stop_idle_tick+0x290/0x290 [ 1929.344315][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 1929.350268][ C1] ? ktime_get_update_offsets_now+0x1c4/0x250 [ 1929.356324][ C1] hrtimer_interrupt+0x32a/0x930 [ 1929.361260][ C1] __sysvec_apic_timer_interrupt+0x142/0x5e0 [ 1929.367216][ C1] sysvec_apic_timer_interrupt+0x4f/0x120 [ 1929.372916][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1929.378881][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0x8c/0xe0 [ 1929.385268][ C1] Code: 48 c7 c0 80 e0 b4 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 37 48 83 3d 3b 96 cc 01 00 74 22 48 89 df 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 35 28 67 f9 65 8b 05 5e b4 19 78 [ 1929.404931][ C1] RSP: 0018:ffffc90000da8c50 EFLAGS: 00000282 [ 1929.410968][ C1] RAX: 1ffffffff1369c10 RBX: 0000000000000282 RCX: 0000000000000002 [ 1929.418910][ C1] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 1929.426852][ C1] RBP: ffff8880ae7255c0 R08: 0000000000000000 R09: 0000000000000000 [ 1929.434797][ C1] R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880ae7255c0 [ 1929.442739][ C1] R13: 0000000100027bda R14: 0000000100027bec R15: 0000000000000000 [ 1929.450697][ C1] __mod_timer+0x669/0xf40 [ 1929.455263][ C1] ? enqueue_timer+0x420/0x420 [ 1929.460000][ C1] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 1929.465810][ C1] ? prandom_u32_state+0x10/0x180 [ 1929.470805][ C1] ? prandom_u32+0x79/0xb0 [ 1929.475193][ C1] call_timer_fn+0x1ac/0x760 [ 1929.479828][ C1] ? garp_request_leave+0x270/0x270 [ 1929.484999][ C1] ? add_timer_on+0x490/0x490 [ 1929.489682][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1929.495808][ C1] ? _raw_spin_unlock_irq+0x1f/0x80 [ 1929.500974][ C1] ? garp_request_leave+0x270/0x270 [ 1929.506144][ C1] __run_timers.part.0+0x54c/0xa20 [ 1929.511362][ C1] ? call_timer_fn+0x760/0x760 [ 1929.516099][ C1] ? lockdep_hardirqs_on+0x6a/0xe0 [ 1929.521180][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1929.527306][ C1] run_timer_softirq+0xae/0x1a0 [ 1929.532155][ C1] __do_softirq+0x34c/0xa60 [ 1929.536636][ C1] asm_call_on_stack+0xf/0x20 [ 1929.541280][ C1] [ 1929.544193][ C1] do_softirq_own_stack+0x111/0x170 [ 1929.549362][ C1] irq_exit_rcu+0x229/0x270 [ 1929.553835][ C1] sysvec_apic_timer_interrupt+0x54/0x120 [ 1929.559526][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1929.565476][ C1] RIP: 0010:lock_acquire+0x270/0xad0 [ 1929.570729][ C1] Code: 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 f8 06 00 00 48 83 3d ad d0 5a 08 00 0f 84 a6 05 00 00 48 8b 7c 24 08 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 03 44 24 10 48 c7 [ 1929.590302][ C1] RSP: 0018:ffffc90007e4f680 EFLAGS: 00000282 [ 1929.596343][ C1] RAX: 1ffffffff1369c10 RBX: ffff888023b5c040 RCX: 0000000000000001 [ 1929.604334][ C1] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: 0000000000000282 [ 1929.612277][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8c599a37 [ 1929.620219][ C1] R10: fffffbfff18b3346 R11: 0000000000000000 R12: 0000000000000000 [ 1929.628164][ C1] R13: ffff8880915db978 R14: 0000000000000000 R15: ffff888023b5c040 [ 1929.636121][ C1] ? lock_release+0x8d0/0x8d0 [ 1929.640799][ C1] ? lockdep_hardirqs_on+0x6a/0xe0 [ 1929.645879][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1929.652002][ C1] ? lock_is_held_type+0xb0/0xe0 [ 1929.656913][ C1] _raw_spin_lock+0x2a/0x40 [ 1929.661387][ C1] ? unmap_page_range+0xa73/0x2940 [ 1929.666490][ C1] unmap_page_range+0xa73/0x2940 [ 1929.671407][ C1] ? vm_normal_page_pmd+0x5b0/0x5b0 [ 1929.676580][ C1] unmap_single_vma+0x198/0x300 [ 1929.681409][ C1] unmap_vmas+0x16f/0x2f0 [ 1929.685707][ C1] ? zap_vma_ptes+0x100/0x100 [ 1929.690353][ C1] ? sched_clock+0x2a/0x40 [ 1929.694747][ C1] exit_mmap+0x2b1/0x510 [ 1929.698958][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1929.705086][ C1] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 1929.711041][ C1] ? __khugepaged_exit+0x2b8/0x3f0 [ 1929.716121][ C1] ? kmem_cache_free+0x261/0x310 [ 1929.721027][ C1] ? __khugepaged_exit+0x2d9/0x3f0 [ 1929.726109][ C1] __mmput+0x122/0x470 [ 1929.730147][ C1] mmput+0x53/0x60 [ 1929.733838][ C1] do_exit+0xa8f/0x2a40 [ 1929.737966][ C1] ? lock_acquire+0x1f1/0xad0 [ 1929.742613][ C1] ? find_held_lock+0x2d/0x110 [ 1929.747348][ C1] ? mm_update_next_owner+0x7a0/0x7a0 [ 1929.752689][ C1] ? get_signal+0x332/0x1ee0 [ 1929.757251][ C1] ? lock_downgrade+0x820/0x820 [ 1929.762070][ C1] ? lock_is_held_type+0xb0/0xe0 [ 1929.766979][ C1] do_group_exit+0x125/0x310 [ 1929.771540][ C1] get_signal+0x40b/0x1ee0 [ 1929.775928][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1929.782048][ C1] ? trace_hardirqs_on+0x5f/0x220 [ 1929.787041][ C1] do_signal+0x82/0x2520 [ 1929.791257][ C1] ? copy_siginfo_to_user32+0xa0/0xa0 [ 1929.796600][ C1] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1929.802112][ C1] ? __do_sys_add_key+0x2a9/0x430 [ 1929.807105][ C1] ? kfree+0x267/0x2c0 [ 1929.811144][ C1] ? __do_sys_add_key+0x2ae/0x430 [ 1929.816137][ C1] ? __do_sys_request_key+0x3b0/0x3b0 [ 1929.821480][ C1] ? __prepare_exit_to_usermode+0xcc/0x1f0 [ 1929.827256][ C1] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 1929.833208][ C1] __prepare_exit_to_usermode+0x156/0x1f0 [ 1929.838897][ C1] do_syscall_64+0x6c/0xe0 [ 1929.843286][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1929.849150][ C1] RIP: 0033:0x45c1d9 [ 1929.853012][ C1] Code: Bad RIP value. [ 1929.857046][ C1] RSP: 002b:00007f0d7172dc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000f8 [ 1929.865423][ C1] RAX: ffffffffffffffea RBX: 0000000000000740 RCX: 000000000045c1d9 [ 1929.873365][ C1] RDX: 0000000020001400 RSI: 0000000000000000 RDI: 0000000020000280 [ 1929.881310][ C1] RBP: 000000000078bf50 R08: 0000000000000000 R09: 0000000000000000 [ 1929.889251][ C1] R10: 0000000000000800 R11: 0000000000000246 R12: 000000000078bf0c [ 1929.897205][ C1] R13: 0000000000c9fb6f R14: 00007f0d7172e9c0 R15: 000000000078bf0c [ 1930.276190][ T451] tipc: TX() has been purged, node left!