}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x17f99) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:36 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x8a73010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1861.960580][T31944] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:36 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x8a1c}]}) 09:33:36 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x6c, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:36 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2eb50700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:36 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb57dd, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:36 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x17f9a) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:36 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x8d3b}]}) 09:33:36 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x8b73010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:36 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x74, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1862.330450][T32153] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:37 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb57de, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:37 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x8c73010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:37 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2fb50700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:37 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x17f9b) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:37 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xbffb}]}) [ 1862.783126][T32287] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:37 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x7a, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:37 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x3ffff) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:37 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x8d73010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:37 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb57df, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:37 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xde67}]}) [ 1863.233137][T32416] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:37 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x30b50700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:37 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x8e73010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:37 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x85, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:37 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x40000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:38 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xde88}]}) 09:33:38 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb57e0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:38 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x8f73010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1863.716898][T32489] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:38 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x1000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:38 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xd4, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:38 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x31b50700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:38 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xe001}]}) 09:33:38 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb57e1, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:38 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x9000000000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1864.223089][T32614] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:38 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xf2, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:38 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xfbbf}]}) 09:33:38 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x2000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:38 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x9073010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:39 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb57e2, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:39 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x32b50700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1864.678153][ T324] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:39 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x13c, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:39 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xff00}]}) 09:33:39 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x3000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:39 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x9173010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:39 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb57e3, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:39 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x33b50700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:39 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xff7e}]}) 09:33:39 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x9273010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1865.185411][ T446] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:39 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x4000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:39 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x162, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:40 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb57e4, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:40 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x9300000000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:40 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xff7f}]}) 09:33:40 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x34b50700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:40 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x5000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:40 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x1aa, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:40 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x9373010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:40 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb57e5, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:40 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x18000}]}) 09:33:40 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x35b50700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:40 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x940f000000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:40 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x6000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:40 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x1e4, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:40 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb57e6, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:40 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x18001}]}) 09:33:40 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x36b50700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:40 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x9473010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1866.379346][ T713] validate_nla: 2 callbacks suppressed [ 1866.379357][ T713] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:41 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb57e7, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:41 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x300, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:41 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x24801}]}) 09:33:41 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x7000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:41 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x9573010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1866.707541][ T832] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:41 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x9673010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:41 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x24807}]}) 09:33:41 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb57e8, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:41 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x37b50700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:41 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x314, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:41 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x8000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:41 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x9773010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:41 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3ae, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:41 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x24b72}]}) [ 1867.235946][ T965] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:42 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x38b50700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:42 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x9000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:42 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb57e9, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:42 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x9873010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:42 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x24e00}]}) 09:33:42 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3ba, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1867.701689][ T1205] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:42 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x9973010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:42 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xa000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1867.821294][ T1205] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:42 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3f000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:42 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x9a00000000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:42 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb57ea, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:42 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x26439}]}) 09:33:42 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3ca, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:42 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xa010000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1868.132332][ T1337] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:42 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb57eb, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:42 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x9a73010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:42 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xc000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:42 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x40000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:42 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x267e7}]}) 09:33:42 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3e2, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:43 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x9b73010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1868.560569][ T1465] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:43 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x28000}]}) 09:33:43 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb57ec, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:43 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xe000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:43 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x9c73010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:43 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x48000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1868.856895][ T1591] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:43 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3ee, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:43 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x28001}]}) 09:33:43 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x9d73010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:43 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x10000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:43 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb57ed, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:43 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4a000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:43 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x500, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:43 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x9e73010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1869.369039][ T1724] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:44 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x12000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:44 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x28233}]}) [ 1869.501405][ T1724] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:44 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x600, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:44 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x9effffff00000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:44 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4c000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:44 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb57ee, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:44 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x28300}]}) 09:33:44 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x1f000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:44 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x9f73010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:44 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x700, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:44 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x400300, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:44 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x20000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:44 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xa073010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:44 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4c150000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:44 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x29000}]}) 09:33:44 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x900, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:44 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x1000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:45 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xa173010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:45 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xa00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:45 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x5270e487}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:45 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x38000}]}) 09:33:45 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x3f000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:45 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xa273010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:45 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x2000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:45 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xa373010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:45 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xc00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:45 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x38001}]}) 09:33:45 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x60000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:45 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:45 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x40000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:45 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xa473010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:45 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x38002}]}) 09:33:46 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xe00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:46 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x48000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:46 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xa573010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:46 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x4000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:46 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x3a600}]}) 09:33:46 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x65580000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:46 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xa673010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1871.804423][ T2487] validate_nla: 5 callbacks suppressed [ 1871.804437][ T2487] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:46 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xf00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:46 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x5000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:46 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x3c000}]}) 09:33:46 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x68000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:46 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xa773010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:46 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x4a000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1872.059318][ T2611] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:46 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xf94, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:46 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xa873010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:46 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x6000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:46 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x48000}]}) 09:33:46 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6c000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1872.487797][ T2747] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:47 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x4c000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:47 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xa973010000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:47 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x1200, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:47 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x48001}]}) 09:33:47 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x7000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:47 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6e000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:47 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x4c7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1872.938059][ T2876] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:47 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xc3ffffff00000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:47 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x48002}]}) 09:33:47 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x1403, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:47 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x8000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:47 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x74000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:47 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x7feff}]}) 09:33:47 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xe400000000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:47 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x4d7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:48 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x1f00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1873.478288][ T3109] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:48 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7a000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:48 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xe4ffffff00000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:48 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x9000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:48 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x7ff00}]}) 09:33:48 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x4e7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:48 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x2000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:48 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xf0ffffff00000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1873.857181][ T3257] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:48 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7e030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:48 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xa000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:48 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x4e0200}]}) 09:33:48 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x4f7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:48 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xfeff000000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:48 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3a00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1874.322805][ T3417] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:48 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x81000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:48 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x7f0000}]}) 09:33:48 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xfeffffff00000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:49 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xc000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:49 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x507f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:49 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3c01, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:49 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xff0f000000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:49 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x800000}]}) [ 1874.730279][ T3551] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:49 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x82000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:49 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xe000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:49 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xff7f000000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:49 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x517f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:49 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3f00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:49 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x800100}]}) [ 1875.106743][ T3676] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:49 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xffff030000000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:49 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x85000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:49 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xf000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:50 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xffffff7f00000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:50 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x4000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:50 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x527f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:50 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x800200}]}) [ 1875.513390][ T3804] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:50 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x87e47052}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:50 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x10000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:50 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xffffffff00000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:50 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x4800, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:50 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x537f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:50 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x800300}]}) 09:33:50 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0xffffffff85000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:50 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x88a8ffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:50 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x12000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:50 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x54010000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:50 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x4a00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:50 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:50 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x800400}]}) 09:33:51 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x1f000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:51 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x830200}]}) 09:33:51 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x547f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:51 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x8c000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:51 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x20000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:51 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x4c00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:51 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x2}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:51 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x900200}]}) [ 1876.936700][ T4186] validate_nla: 4 callbacks suppressed [ 1876.936716][ T4186] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:51 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x557f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:51 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x8c030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:51 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x5865, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:51 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x29000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:51 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x3}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:51 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xa60300}]}) [ 1877.339153][ T4318] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:51 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x567f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:52 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x5e00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:52 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x940f0000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:52 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3d010000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:52 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xc00300}]}) 09:33:52 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x4}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1877.661885][ T4441] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:52 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x6000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:52 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3f000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:52 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x9effffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:52 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x577f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:52 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xff0700}]}) [ 1877.983006][ T4559] netlink: 'syz-executor.0': attribute type 9 has an invalid length. [ 1878.070545][ T4559] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:52 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x5}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:52 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x40000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:52 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x6201, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:52 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x1000000}]}) 09:33:52 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xa2030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:52 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x587f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1878.339370][ T4680] netlink: 'syz-executor.0': attribute type 9 has an invalid length. [ 1878.446121][ T4680] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:53 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x6558, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:53 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x1080000}]}) 09:33:53 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x6}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:53 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x40030000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:53 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xaa030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1878.772244][ T4808] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:53 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x597f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:53 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x1480200}]}) 09:33:53 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x6800, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:53 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x7}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:53 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x41413a92, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:53 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x5a7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:53 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xac030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1879.168490][ T4934] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:53 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x1800000}]}) 09:33:53 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x6c00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:53 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x47060000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:53 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x8}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:54 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x7400, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1879.515107][ T5055] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:54 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x5b7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:54 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x1800100}]}) 09:33:54 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x48000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:54 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc3ffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:54 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x9}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:54 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x7a00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:54 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x5c7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:54 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x4a000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:54 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0xa}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:54 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xd6000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:54 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x1800200}]}) 09:33:54 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x8100, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:54 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x4c000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:55 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xda030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:55 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x5d7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:55 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0xc}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:55 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x1800300}]}) 09:33:55 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x940f, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:55 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x60000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:55 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe4ffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:55 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x5e7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:55 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xaa01, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:55 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x1800400}]}) 09:33:55 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x65580000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:55 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0xe}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:55 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x1840000}]}) 09:33:55 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x5f7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:55 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe9b40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:55 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xae03, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:55 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x68000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:55 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x10}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:56 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x1860000}]}) 09:33:56 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x6c000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:56 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xba03, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:56 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xea030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:56 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x12}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:56 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x60000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:56 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x74000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:56 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xca03, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:56 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x2000000}]}) [ 1882.140160][ T6025] validate_nla: 8 callbacks suppressed [ 1882.140172][ T6025] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:56 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xeab40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:56 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x607f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:56 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xd400, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:56 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x48}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:56 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x2800300}]}) 09:33:56 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x7a000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:57 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xebb40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1882.540885][ T6151] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:57 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xe203, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:57 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x2800400}]}) 09:33:57 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x81000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:57 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x617f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:57 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x4a}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1882.914667][ T6272] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:57 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xe401, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:57 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xecb40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:57 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x3000000}]}) 09:33:57 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x627f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1883.032751][ T6272] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:57 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x85000000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:57 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x4c}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1883.288905][ T6466] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:57 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x4000000}]}) 09:33:57 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xedb40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:57 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xee03, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:58 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x637f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:58 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x88a8ffff, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:58 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x4820000}]}) 09:33:58 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x60}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1883.775405][ T6569] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:58 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xee030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:58 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xf200, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1883.844396][ T6569] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:58 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x647f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:58 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x5000000}]}) 09:33:58 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x68}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:58 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x89ffffff, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:58 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x6000000}]}) 09:33:58 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xeeb40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:58 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xfeff, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1884.199055][ T6754] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:58 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x923a4141, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1884.260283][ T6754] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:58 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x65580000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:58 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x6c}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1884.558037][ T6770] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:33:59 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xff0f, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:59 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x940f0000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:59 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x7000000}]}) 09:33:59 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xef030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:59 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x657f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:59 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x74}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:59 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xff7f, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:59 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x7480200}]}) 09:33:59 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x9effffff, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:59 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xefb40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:59 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x7a}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:59 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x667f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:59 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x9f570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:33:59 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xfffe, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:33:59 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x8000000}]}) 09:34:00 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf0b40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:00 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x677f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:00 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xa0570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:00 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x85}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:00 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x34000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:00 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x9000000}]}) 09:34:00 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:00 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xa1570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:00 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x68000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:00 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xa000000}]}) 09:34:00 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x88}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:00 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3ffff, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:00 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf1b40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:00 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xa2570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:01 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x90}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:01 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xa260000}]}) 09:34:01 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x687f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:01 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x40000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:01 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xb000000}]}) 09:34:01 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xa3570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:01 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf2030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:01 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x93}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:01 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x697f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:01 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde17, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:01 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xc000000}]}) 09:34:01 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:01 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xa4570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:01 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf2b40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:01 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde18, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:01 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x6a7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1887.345223][ T7748] validate_nla: 8 callbacks suppressed [ 1887.345235][ T7748] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:01 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xd000000}]}) 09:34:02 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xa5570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:02 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf3b40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:02 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0xe4}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:02 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde19, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:02 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xe000000}]}) 09:34:02 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x6b7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1887.707385][ T7871] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:02 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x300}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:02 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xf000000}]}) [ 1887.945908][ T7871] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:02 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde1a, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:02 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xa6570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:02 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf4030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:02 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x6c000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1888.226628][ T8023] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:02 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde1b, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:02 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x10000000}]}) 09:34:02 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xa7570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1888.443031][ T8160] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:03 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x30a}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:03 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf4b40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:03 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x6c7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:03 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x12000000}]}) 09:34:03 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xa8010000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:03 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde1c, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:03 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x6d7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:03 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x1c8a0000}]}) [ 1888.901533][ T8289] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:03 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf5b40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:03 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x31c}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:03 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xa8570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:03 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde1d, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:03 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x22000000}]}) 09:34:03 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf6b40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1889.331443][ T8413] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:04 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x6e7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:04 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x366}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:04 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xa9570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:04 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x33820200}]}) 09:34:04 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde1e, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1889.637331][ T8533] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:04 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf7b40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:04 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x39640200}]}) 09:34:04 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xaa570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:04 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x370}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:04 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x6f7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:04 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde1f, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1889.999221][ T8657] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:04 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x3a820000}]}) 09:34:04 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf8b40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:04 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xab570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:04 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x707f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:04 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x3b8d0000}]}) 09:34:04 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde20, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:04 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x500}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1890.415396][ T8785] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:05 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf9b40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:05 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x717f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:05 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x3f000000}]}) 09:34:05 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xac570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:05 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde21, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:05 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x600}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:05 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfa030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:05 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x67de0000}]}) 09:34:05 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x727f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:05 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xad570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:05 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde22, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:05 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x700}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:05 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfab40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:05 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x724b0200}]}) 09:34:06 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xae570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:06 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde23, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:06 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xde880000}]}) 09:34:06 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x737f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:06 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x900}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:06 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfbb40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:06 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde24, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:06 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xe0010000}]}) 09:34:06 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xaf570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:06 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x74000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:06 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0xa00}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:06 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfc030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:06 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb0570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:06 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde25, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:06 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xe7670200}]}) 09:34:07 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x747f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:07 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde26, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:07 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb1570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:07 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfcb40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:07 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xfbbf0000}]}) 09:34:07 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0xa03}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1892.749533][ T9532] validate_nla: 6 callbacks suppressed [ 1892.749545][ T9532] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:07 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x757f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:07 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb2570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:07 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde27, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:07 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfcffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:07 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xfdfdffff}]}) [ 1892.994027][ T9650] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:07 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0xc00}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:07 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb3570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:07 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde28, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:07 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfdb40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:07 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xff000000}]}) 09:34:07 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x767f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1893.363188][ T9781] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:08 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde29, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:08 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0xe00}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:08 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb4570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:08 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xff7e0000}]}) 09:34:08 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfeb40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1893.734769][ T9909] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:08 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x777f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:08 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde2a, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:08 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb5570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:08 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xff7f0000}]}) 09:34:08 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0xf94}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1894.094911][T10032] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:08 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfeff0000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:08 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde2b, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:08 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb6570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:08 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x787f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:08 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xfffe0700}]}) [ 1894.463342][T10254] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:09 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1200}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:09 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfeffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:09 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde2c, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:09 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xfffffdfd}]}) 09:34:09 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb7570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:09 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x797f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:09 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1c03}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:09 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xff0f0000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1894.918040][T10367] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:09 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x4e020000000000}]}) 09:34:09 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde2d, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:09 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb8570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:09 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x7a000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:09 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1f00}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1895.269342][T10411] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:09 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x7f000000000000}]}) 09:34:09 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde2e, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:09 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xff7f0000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:10 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xb9570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:10 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x7a7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:10 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x2000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:10 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde2f, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:10 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x80000000000000}]}) [ 1895.669810][T10630] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:10 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffb40700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:10 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xba570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:10 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x7b7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:10 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x80010000000000}]}) 09:34:10 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde30, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:10 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffff0300}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1896.117083][T10766] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:10 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x3f00}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:10 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde31, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:10 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x80020000000000}]}) 09:34:10 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbb570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:11 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x7c7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:11 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffa888}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:11 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:11 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x80030000000000}]}) 09:34:11 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbc570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:11 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde32, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:11 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x7d7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:11 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde33, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:11 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbd570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:11 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x80040000000000}]}) 09:34:11 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x4800}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:11 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff7f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:11 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x7e7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:11 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde34, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:11 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x83020000000000}]}) 09:34:12 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbe570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:12 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff9e}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:12 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x4a00}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:12 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x7f7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:12 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde35, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:12 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x90020000000000}]}) 09:34:12 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x4c00}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:12 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbf570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:12 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde36, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:12 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffc3}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:12 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xa6030000000000}]}) [ 1897.987047][T11484] validate_nla: 5 callbacks suppressed [ 1897.987058][T11484] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:12 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x807f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:12 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x5865}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:12 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xc0570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:12 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xc0030000000000}]}) 09:34:12 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde37, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:12 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffe4}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1898.423229][T11613] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:13 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x81000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:13 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xff070000000000}]}) 09:34:13 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde38, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:13 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xc1570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:13 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x6000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:13 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff0}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:13 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x817f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1898.725920][T11729] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:13 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xc2570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:13 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x100000000000000}]}) 09:34:13 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde39, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:13 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x6558}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:13 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x827f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1899.156729][T11856] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:13 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:13 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde3a, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:13 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x108000000000000}]}) 09:34:13 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xc3570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:14 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x837f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:14 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x6603}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1899.530288][T11981] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:14 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:14 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde3b, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:14 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xc3ffffff, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:14 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x148020000000000}]}) 09:34:14 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x847f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1899.838191][T12097] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:14 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x6800}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:14 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde3c, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:14 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xc4570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:14 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:14 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x85000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:14 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x180000000000000}]}) [ 1900.202233][T12216] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:14 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x857f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:14 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xc5570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:15 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x6c00}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:15 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x180010000000000}]}) 09:34:15 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde3d, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:15 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x3, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1900.617381][T12342] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:15 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x867f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1900.770051][T12353] netlink: 40 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1900.788109][T12342] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:15 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x7003}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:15 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x877f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:15 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xc6570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:15 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x9, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:15 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde3e, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:15 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x180020000000000}]}) [ 1901.117143][T12479] netlink: 5 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1901.140938][T12477] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:15 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x887f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:15 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x180030000000000}]}) 09:34:15 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0xa, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:15 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xc7570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:16 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x7400}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:16 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde3f, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:16 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x88a8ffff) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1901.469823][T12593] netlink: 6 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:16 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x180040000000000}]}) 09:34:16 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xc8570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:16 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x25, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:16 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x897f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:16 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x7a00}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:16 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde40, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1901.854219][T12716] netlink: 5 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:16 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x184000000000000}]}) 09:34:16 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:16 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xc9570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:16 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x8a7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:16 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde41, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:16 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x186000000000000}]}) 09:34:16 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x8100}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:17 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x8b7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:17 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xca570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:17 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x2f, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:17 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x8800}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:17 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x200000000000000}]}) 09:34:17 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x8c7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:17 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xcb570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1902.693858][T12970] netlink: 40 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:17 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde42, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:17 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x63, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:17 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x8d7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:17 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xcc570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:17 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x280030000000000}]}) 09:34:17 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x9000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:17 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde43, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1903.151310][T13094] netlink: 40 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1903.194894][T13099] validate_nla: 5 callbacks suppressed [ 1903.194905][T13099] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:17 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x8e7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:17 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xcd570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:17 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0xec0, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:18 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x280040000000000}]}) 09:34:18 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x9300}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:18 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde44, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1903.565736][T13222] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:18 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x8f7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1903.649520][T13228] netlink: 40 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:18 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xce570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:18 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x300000000000000}]}) 09:34:18 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x2, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:18 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x940f}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:18 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x907f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:18 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde45, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1903.949308][T13347] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:18 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x4, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:18 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x400000000000000}]}) 09:34:18 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xcf570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:18 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x9a00}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:18 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x917f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:18 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde46, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1904.395967][T13477] netlink: 'syz-executor.4': attribute type 4 has an invalid length. 09:34:19 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x482000000000000}]}) 09:34:19 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x927f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1904.485402][T13479] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:19 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x6, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:19 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xd0570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:19 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0xe400}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:19 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde47, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:19 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x92bb6ff9) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:19 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x500000000000000}]}) 09:34:19 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x8, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1904.962871][T13643] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:19 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde48, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:19 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0xfeff}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:19 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x937f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:19 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x600000000000000}]}) 09:34:19 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xd1570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:19 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x9, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1905.356948][T13737] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:20 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x940f0000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:20 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0xff0f}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:20 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde49, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:20 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x700000000000000}]}) 09:34:20 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xd2570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:20 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x947f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:20 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0xa, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1905.767427][T13859] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:20 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0xff7f}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:20 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x748020000000000}]}) [ 1905.837013][T13869] netlink: 'syz-executor.4': attribute type 10 has an invalid length. 09:34:20 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x957f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:20 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xd3570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:20 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x14, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:20 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde4a, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1906.156573][T13985] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:20 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x800000000000000}]}) 09:34:20 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x967f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:20 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0xfffe}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:20 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x25, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:20 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xd4570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:21 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde4b, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:21 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x977f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:21 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x900000000000000}]}) 09:34:21 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x35, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:21 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xd5570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:21 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x987f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:21 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xa00000000000000}]}) 09:34:21 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1735a}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:21 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x63, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:21 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde4c, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:21 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xd6570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:21 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x99000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:21 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xa26000000000000}]}) 09:34:21 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x997f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:21 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1735b}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:21 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x318, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:21 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xd7570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:21 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde4d, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:22 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x9a7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:22 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x322, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:22 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1735c}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:22 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde4e, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:22 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xd8570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:22 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xb00000000000000}]}) 09:34:22 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x9b7f0100) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:22 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x32a, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:22 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xc00000000000000}]}) 09:34:22 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde4f, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:22 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xd9570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:22 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1735d}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:22 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x9effffff) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:23 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:23 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xd00000000000000}]}) 09:34:23 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde50, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1908.490794][T14719] validate_nla: 6 callbacks suppressed [ 1908.490808][T14719] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:23 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1735e}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:23 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xb74f3ef3) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:23 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xda570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:23 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xe00000000000000}]}) 09:34:23 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde51, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:23 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x2, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1908.902045][T14841] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:23 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xc3ffffff) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:23 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1735f}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1909.062565][T14852] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:23 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xdb570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:23 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xf00000000000000}]}) 09:34:23 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde52, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:23 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x3, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:23 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xe4ffffff) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1909.297242][T14967] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:24 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xf0ffffff) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:24 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xdc570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:24 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17360}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:24 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x1000000000000000}]}) [ 1909.501394][T14979] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:24 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x4, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:24 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde53, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1909.772038][T15093] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:24 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xdd570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:24 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x1200000000000000}]}) 09:34:24 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xf33e4fb7) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:24 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17361}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:24 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x5, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1909.991589][T15110] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:24 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde54, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:24 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xde570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:24 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xf6000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:24 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x1c8a000000000000}]}) 09:34:24 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x6, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:24 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17362}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1910.392662][T15234] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:25 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xdf570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:25 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xf96fbb92) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:25 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde55, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:25 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x2200000000000000}]}) [ 1910.690630][T15356] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:25 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x7, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:25 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xfeff0000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:25 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17363}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:25 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x3382020000000000}]}) 09:34:25 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xe0570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:25 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde56, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:25 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xfeffffff) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1911.131336][T15485] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:25 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x9, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:25 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde57, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:25 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xe1570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:25 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x3964020000000000}]}) 09:34:25 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xff0f0000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:25 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17364}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1911.494468][T15606] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:26 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xa, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:26 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xff7f0000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:26 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde58, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:26 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x3a82000000000000}]}) 09:34:26 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xe2570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:26 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17365}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:26 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xb, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1911.938215][T15734] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:26 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde59, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:26 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xffff0300) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:26 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xe3570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:26 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x3b8d000000000000}]}) 09:34:26 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17366}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:26 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xc, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:26 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xffffa888) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:27 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x3f00000000000000}]}) 09:34:27 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde5a, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:27 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xd, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:27 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17367}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:27 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xe4570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:27 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xffffff7f) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:27 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde5b, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1912.789230][T16091] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:27 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x67de000000000000}]}) 09:34:27 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xe, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:27 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xffffff9e) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:27 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x724b020000000000}]}) 09:34:27 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xe4ffffff, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:27 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17368}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:27 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde5c, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1913.148063][T16212] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:27 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x10, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:27 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xffffffc3) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:28 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xde88000000000000}]}) 09:34:28 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xe5570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:28 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17369}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1913.555706][T16346] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:28 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde5d, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:28 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x11, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1913.635275][T16350] validate_nla: 5 callbacks suppressed [ 1913.635287][T16350] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:28 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xffffffe4) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:28 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xe6570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:28 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xe001000000000000}]}) 09:34:28 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1736a}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:28 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xfffffff0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:28 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde5e, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1914.063196][T16480] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:28 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x12, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1914.160769][T16480] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:28 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xe767020000000000}]}) 09:34:28 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xe7570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:28 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xfffffffe) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:29 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1736b}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1914.485434][T16608] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:29 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xfbbf000000000000}]}) 09:34:29 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde5f, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:29 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x13, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:29 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xe8570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:29 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x85ffffffff) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:29 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1736c}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1914.844525][T16648] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:29 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x14, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:29 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde60, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:29 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x1000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:29 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xe9570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:29 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xfdfdffff00000000}]}) [ 1915.160600][T16752] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:29 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x1c, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:29 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1736d}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:29 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xea570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:29 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde61, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:29 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x4000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:29 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xff00000000000000}]}) [ 1915.480006][T16867] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:30 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x25, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:30 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xeb570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:30 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xff7e000000000000}]}) 09:34:30 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde62, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:30 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x100000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:30 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1736e}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1915.782397][T16984] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1915.816448][T16988] netlink: 'syz-executor.0': attribute type 9 has an invalid length. [ 1915.902845][T16988] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:30 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x37, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:30 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xec570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:30 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xff7f000000000000}]}) 09:34:30 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x200000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:30 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde63, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1916.205108][T17107] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1916.277924][T17115] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:30 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1736f}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:30 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x4a, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1916.467056][T17126] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:31 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x300000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:31 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde64, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:31 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xed570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:31 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0xfffe070000000000}]}) 09:34:31 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x7c, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:31 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17370}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1916.823757][T17247] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:31 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x2}]}) 09:34:31 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x84, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:31 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xee570b00, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:31 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde65, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:31 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x400000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1917.114588][T17363] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:31 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17371}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:31 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x3}]}) 09:34:31 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8c, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:31 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xbde66, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:31 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xf0ffffff, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:32 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x500000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:32 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17372}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1917.534923][T17490] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:32 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x4}]}) 09:34:32 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xf6020000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:32 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x94, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:32 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x400300, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:32 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x600000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:32 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x5}]}) 09:34:32 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17373}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1917.882063][T17608] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:32 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xfcffffff, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:32 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x9c, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:32 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x1000000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:32 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x6}]}) 09:34:32 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x700000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1918.279156][T17733] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:32 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17374}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:33 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xfeff0000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:33 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xa4, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:33 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x800000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:33 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x2000000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1918.615009][T17856] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:33 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x7}]}) 09:34:33 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17375}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:33 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xfeffffff, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:33 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xac, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:33 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x900000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:33 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3000000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:33 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x318, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1918.997377][T17978] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1919.026964][T17981] validate_nla: 7 callbacks suppressed [ 1919.026976][T17981] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:33 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x8}]}) 09:34:33 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17376}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:33 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xff0f0000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:33 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x4000000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:34 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x32a, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:34 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x9}]}) [ 1919.463236][T18104] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:34 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xa00000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:34 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17377}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:34 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xff7f0000, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:34 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x5000000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:34 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x374, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:34 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xa}]}) [ 1919.803944][T18230] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:34 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xa01000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1919.924492][T18230] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:34 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xb}]}) 09:34:34 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17378}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:34 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x6000000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:34 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x37e, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:34 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xffff0300, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:34 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x700, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:34 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xc00000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1920.326817][T18364] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:34 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xc}]}) 09:34:35 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x7000000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:35 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xffffa888, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:35 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17379}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:35 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xd}]}) [ 1920.689739][T18486] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:35 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x7b4, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:35 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0xe00000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:35 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x8000000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:35 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xffffff7f, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1920.902868][T18594] __nla_validate_parse: 5 callbacks suppressed [ 1920.902882][T18594] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:35 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xe}]}) 09:34:35 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x7f5, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:35 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1737a}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1921.035536][T18606] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:35 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x1000000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:35 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xffffff89, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:35 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x9000000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1921.298828][T18716] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:35 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xf}]}) 09:34:36 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8fc, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1921.419290][T18728] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:36 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1737b}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1921.516957][T18728] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:36 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xa000000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1921.593764][T18815] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:36 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x1200000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:36 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x10}]}) 09:34:36 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xffffff9e, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:36 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xa00, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:36 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xc000000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:36 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1737c}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1921.919309][T18960] netlink: 'syz-executor.0': attribute type 9 has an invalid length. [ 1921.990383][T18961] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:36 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x12}]}) 09:34:36 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x1f00000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:36 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xb5c, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:36 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xffffffc3, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:36 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x22}]}) 09:34:36 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xe000000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:36 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1737d}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1922.392285][T19085] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:37 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xbf4, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:37 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x2000000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:37 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xffffffe4, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:37 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xf000000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:37 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x108}]}) 09:34:37 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1737e}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1922.742970][T19207] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:37 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xbfc, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:37 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x10000000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:37 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x3f00000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:37 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1737f}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:37 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x180}]}) 09:34:37 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xfffffff0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1923.033621][T19332] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:37 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xc04, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:37 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x12000000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:37 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x184}]}) 09:34:37 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xfffffffc, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1923.394578][T19453] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:38 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17380}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:38 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x4000000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:38 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xc0c, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:38 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x186}]}) 09:34:38 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x14030000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:38 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xfffffffe, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1923.797257][T19576] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:38 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17381}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:38 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x1e0}]}) 09:34:38 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x4800000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:38 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xc14, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:38 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x17de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:38 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0xffffffff, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:38 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x300}]}) 09:34:38 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17382}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1924.283743][T19713] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1924.297768][T19710] validate_nla: 7 callbacks suppressed [ 1924.297780][T19710] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:39 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x18de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:39 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:39 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x482}]}) 09:34:39 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x4a00000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:39 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xc1c, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1924.607359][T19828] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:39 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17383}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:39 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x500}]}) 09:34:39 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x19de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:39 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x2, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:39 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x4c00000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:39 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xc24, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1925.026448][T19956] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:39 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xc2c, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:39 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x1ade0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:39 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17384}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:39 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x600}]}) 09:34:39 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x3, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:39 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x4c7f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:40 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x1bde0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:40 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xc48, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1925.438130][T20095] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:40 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x700}]}) [ 1925.555940][T20095] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:40 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17385}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:40 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x4, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:40 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x4d7f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:40 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xc50, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:40 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x1cde0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1925.840855][T20311] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:40 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x801}]}) 09:34:40 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x5, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1926.002195][T20319] __nla_validate_parse: 5 callbacks suppressed [ 1926.002209][T20319] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:40 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17386}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:40 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x4e7f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:40 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xc58, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:40 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x1dde0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1926.172746][T20431] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:40 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x900}]}) 09:34:40 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x6, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1926.424483][T20450] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:41 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x4f7f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:41 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17387}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:41 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xa00}]}) [ 1926.549043][T20524] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:41 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xc60, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:41 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x1ede0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:41 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xa26}]}) 09:34:41 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x7, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1926.866889][T20571] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:41 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x507f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:41 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17388}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1927.004402][T20609] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:41 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xc68, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:41 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xb00}]}) 09:34:41 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x1f000000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:41 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x8, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:41 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x517f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:41 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17389}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1927.289768][T20702] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1927.395579][T20709] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:42 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xc00}]}) 09:34:42 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xc70, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:42 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x1fde0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:42 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x9, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:42 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xd00}]}) 09:34:42 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x527f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:42 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1738a}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1927.750122][T20832] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:42 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xe00}]}) 09:34:42 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xc78, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:42 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0xa, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:42 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x20000000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:42 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x537f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:42 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1738b}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1928.183155][T20956] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:42 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xf00}]}) 09:34:42 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0xc, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:43 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xc80, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:43 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x20de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:43 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x5401000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:43 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x1200}]}) 09:34:43 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1738c}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1928.641894][T21087] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:43 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0xe, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:43 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xc88, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:43 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x21de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:43 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x1c8a}]}) 09:34:43 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x547f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1929.019754][T21212] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:43 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1738d}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:43 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0xf, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:43 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x22de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:43 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x2200}]}) 09:34:43 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xc94, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:43 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x557f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:43 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x23de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1929.346817][T21415] validate_nla: 6 callbacks suppressed [ 1929.346827][T21415] netlink: 'syz-executor.0': attribute type 9 has an invalid length. [ 1929.404975][T21422] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:44 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xca0, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:44 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1738e}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:44 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x10, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:44 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x260a}]}) 09:34:44 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x567f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:44 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x24de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1929.760326][T21557] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:44 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x12, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1929.801569][T21561] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:44 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1738f}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:44 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x3a82}]}) [ 1929.999062][T21674] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:44 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xdd4, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:44 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x25de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:44 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x577f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:44 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x29, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:44 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x3b8d}]}) 09:34:44 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17390}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1930.369270][T21766] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:45 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xddc, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:45 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x26de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1930.482274][T21766] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:45 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x587f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:45 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x3f00}]}) 09:34:45 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x48, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:45 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xe08, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:45 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17391}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:45 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x27de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1930.804110][T21924] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:45 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x67de}]}) 09:34:45 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x4a, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:45 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x597f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:45 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xe10, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1931.130827][T21952] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:45 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x7eff}]}) 09:34:45 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17392}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:45 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x28de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1931.295465][T21952] netlink: 'syz-executor.0': attribute type 9 has an invalid length. [ 1931.318550][T22051] __nla_validate_parse: 3 callbacks suppressed [ 1931.318562][T22051] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:46 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x4c, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:46 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xe18, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:46 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x7f00}]}) 09:34:46 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x5a7f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:46 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x29de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1931.556820][T22169] netlink: 'syz-executor.0': attribute type 9 has an invalid length. [ 1931.703508][T22179] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:46 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xe20, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:46 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x60, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:46 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17393}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:46 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x8204}]}) 09:34:46 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x5b7f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1931.976522][T22295] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:46 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x2ade0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1932.035287][T22296] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:46 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x68, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:46 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x823a}]}) 09:34:46 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xe34, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:46 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17394}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:46 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x2bde0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1932.405547][T22418] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:47 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x5c7f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:47 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x6c, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:47 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xe3c, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:47 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x8401}]}) 09:34:47 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x2cde0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:47 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17395}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1932.749372][T22540] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:47 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x74, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:47 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x5d7f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:47 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xe44, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:47 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x8601}]}) 09:34:47 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x2dde0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:47 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17396}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:47 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x7a, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1933.186900][T22666] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:47 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x5e7f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:47 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xe4c, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:47 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x88de}]}) 09:34:48 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x2ede0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:48 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17397}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:48 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x85, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1933.604860][T22793] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:48 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x5f7f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:48 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xe54, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:48 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x8a1c}]}) 09:34:48 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17398}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:48 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x2fde0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:48 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x13d, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1933.985415][T22919] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:48 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x6000000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:48 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x8d3b}]}) 09:34:48 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xe5c, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:48 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x30de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:48 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x17399}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:48 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x1a8, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1934.369543][T23038] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:49 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xbffb}]}) 09:34:49 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x607f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:49 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xe64, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:49 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x31de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1934.537972][T23149] validate_nla: 7 callbacks suppressed [ 1934.537984][T23149] netlink: 'syz-executor.0': attribute type 9 has an invalid length. [ 1934.669602][T23157] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:49 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1739a}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:49 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x2f6, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:49 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xde67}]}) 09:34:49 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xe6c, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:49 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x32de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1934.918748][T23271] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:49 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x617f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:49 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x300, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:49 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xde88}]}) 09:34:49 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1739b}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:49 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xe74, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:49 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x33de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1935.265882][T23392] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:50 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xe001}]}) 09:34:50 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xe7c, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:50 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x340, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:50 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1739c}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:50 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x627f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:50 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x34de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1935.619268][T23517] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:50 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xe84, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:50 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xfbbf}]}) 09:34:50 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x500, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:50 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1739d}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:50 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x637f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:50 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x35de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1935.992837][T23644] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:50 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xff00}]}) 09:34:50 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x600, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:50 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xe8c, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:50 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0xe94, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1936.303788][T23698] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:50 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xff7e}]}) 09:34:50 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x36de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:51 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x647f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:51 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1739e}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:51 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x647, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:51 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0xff7f}]}) [ 1936.611526][T23784] __nla_validate_parse: 5 callbacks suppressed [ 1936.611540][T23784] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 09:34:51 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x2, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:51 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x37de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1936.790842][T23894] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:51 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x6558000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1936.835338][T23894] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:51 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1739f}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:51 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x18000}]}) 09:34:51 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x700, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:51 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x3, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:51 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x38de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1937.176900][T24018] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:51 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x657f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:51 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x900, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:51 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x4, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:51 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x18001}]}) 09:34:51 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x173a0}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:52 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x39de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1937.483259][T24134] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:52 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x667f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:52 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0xa00, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:52 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x173a1}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:52 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x5, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:52 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x24801}]}) 09:34:52 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3a000000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:52 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x677f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:52 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0xc00, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:52 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x6, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:52 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x24807}]}) 09:34:52 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x173a2}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:52 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3ade0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:52 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x6800000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:53 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x8, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:53 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x24b72}]}) 09:34:53 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0xe00, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:53 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x173a3}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:53 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3bde0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:53 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0xf00, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:53 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x687f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:53 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x24e00}]}) 09:34:53 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x9, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:53 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x173a4}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:53 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3c010000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:53 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x26439}]}) 09:34:53 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0xf94, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:53 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0xa, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:53 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x697f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:53 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3cde0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:53 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x173a5}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:54 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x1200, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:54 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x267e7}]}) 09:34:54 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0xb, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1939.635718][T24771] validate_nla: 6 callbacks suppressed [ 1939.635728][T24771] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:54 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x173a6}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:54 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3dde0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:54 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x6a7f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:54 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x28000}]}) 09:34:54 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x1f00, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:54 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0xc, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:54 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x173a7}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1940.070957][T24976] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:54 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3ede0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:54 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x6b7f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1940.180638][T24976] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:54 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x28001}]}) 09:34:54 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0xf, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:54 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x2000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:55 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x173a8}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:55 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3f000000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1940.499143][T25121] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:55 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x28233}]}) [ 1940.582705][T25121] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:55 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x6c00000000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:55 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x10, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:55 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x2900, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:55 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x3fde0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:55 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x173a9}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:55 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x28300}]}) 09:34:55 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x6c7f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1940.973722][T25248] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:55 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x13, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:55 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x3d01, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:55 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x3ffff}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:55 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x29000}]}) 09:34:55 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x40000000, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1941.362029][T25370] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:55 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x14, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:56 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x6d7f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:56 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x3f00, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:56 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x38000}]}) 09:34:56 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:56 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x4b, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1941.761482][T25492] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:56 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x40de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:56 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x38001}]}) 09:34:56 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x6e7f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:56 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x4000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:56 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:56 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x63, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1942.110606][T25618] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:56 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x41de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) [ 1942.190156][T25618] netlink: 'syz-executor.0': attribute type 9 has an invalid length. 09:34:56 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x4003, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:56 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x38002}]}) 09:34:56 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x6f7f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:57 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x3a600}]}) 09:34:57 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x2000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:57 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x4706, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:57 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x300, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:57 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x42de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:57 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x707f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:57 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x3c000}]}) 09:34:57 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x3000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:57 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x318, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:57 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x4800, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:57 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x43de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:57 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x717f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:57 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x48000}]}) 09:34:57 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x4a00, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:57 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x322, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:57 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:58 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x44de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:58 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x48001}]}) 09:34:58 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x4c00, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:58 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x727f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:58 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0xb200, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:58 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x5000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:58 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x45de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:58 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x48002}]}) 09:34:58 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x5865, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:58 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) 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}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0xd, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}}, 0x737f010000000000) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:58 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0xb300, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:58 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x46de0b00, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0x4, r2}]}, 0x40}}, 0x0) 09:34:58 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6}, @IFLA_IPTUN_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x48}, 0x1, 0x0, 0x0, 0x6000000}, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl(r5, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 1944.286848][ T8040] ================================================================== [ 1944.295080][ T8040] BUG: KCSAN: data-race in enqueue_timer / wbt_wait [ 1944.301856][ T8040] [ 1944.304205][ T8040] write to 0xffff88812900ed18 of 8 bytes by task 1235 on cpu 0: [ 1944.311948][ T8040] enqueue_timer+0x6c/0x210 [ 1944.316471][ T8040] __internal_add_timer+0x4f/0x60 [ 1944.321522][ T8040] add_timer+0x250/0x550 [ 1944.325799][ T8040] __queue_delayed_work+0x13b/0x1d0 [ 1944.331013][ T8040] queue_delayed_work_on+0xf3/0x110 09:34:58 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x7, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0xb400, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x12, 0x3}, @IFLA_IPTUN_LINK={0x8, 0x1, r3}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl(r4, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:58 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x0, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x6000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8, 0x1, 'sit\x00'}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_PREFIXLEN={0x6, 0x9}, @IFLA_IPTUN_LINK={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl(r3, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") 09:34:58 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000340)={0x0, 0x0, 0x1e0, 0x0, [], [{}, {0x801, 0x0, 0x80000001, 0x0, 0x7feff}]}) [ 1944.336225][ T8040] nsim_dev_trap_report_work+0x581/0x5a0 [ 1944.341976][ T8040] process_one_work+0x3d4/0x890 [ 1944.346831][ T8040] worker_thread+0xa0/0x800 [ 1944.351330][ T8040] kthread+0x1d4/0x200 [ 1944.355554][ T8040] ret_from_fork+0x1f/0x30 [ 1944.360006][ T8040] [ 1944.362330][ T8040] read to 0xffff88812900ed18 of 8 bytes by task 8040 on cpu 1: [ 1944.369968][ T8040] wbt_wait+0x177/0x250 [ 1944.374453][ T8040] __rq_qos_throttle+0x47/0x70 [ 1944.379206][ T8040] blk_mq_make_request+0x29c/0xf60 [ 1944.384314][ T8040] generic_make_request+0x196/0x700 [ 1944.389573][ T8040] submit_bio+0x96/0x3c0 [ 1944.393805][ T8040] submit_bh_wbc+0x40f/0x460 [ 1944.398485][ T8040] __sync_dirty_buffer+0xd3/0x210 [ 1944.403641][ T8040] sync_dirty_buffer+0x24/0x40 [ 1944.408528][ T8040] __ext4_handle_dirty_metadata+0x19c/0x3e0 [ 1944.414461][ T8040] ext4_handle_dirty_dirblock+0x20a/0x280 [ 1944.420176][ T8040] ext4_delete_entry+0x266/0x2c0 [ 1944.425244][ T8040] ext4_rmdir+0x3ca/0x700 [ 1944.429631][ T8040] vfs_rmdir+0x119/0x300 [ 1944.433878][ T8040] do_rmdir+0x2cb/0x300 [ 1944.438042][ T8040] __x64_sys_rmdir+0x2f/0x40 [ 1944.442751][ T8040] do_syscall_64+0xcc/0x3a0 [ 1944.447360][ T8040] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1944.453326][ T8040] [ 1944.455750][ T8040] Reported by Kernel Concurrency Sanitizer on: [ 1944.461969][ T8040] CPU: 1 PID: 8040 Comm: syz-executor.3 Not tainted 5.5.0-rc1-syzkaller #0 [ 1944.470720][ T8040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1944.480950][ T8040] ================================================================== [ 1944.489118][ T8040] Kernel panic - not syncing: panic_on_warn set ... [ 1944.495707][ T8040] CPU: 1 PID: 8040 Comm: syz-executor.3 Not tainted 5.5.0-rc1-syzkaller #0 [ 1944.504431][ T8040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1944.514473][ T8040] Call Trace: [ 1944.517827][ T8040] dump_stack+0x11d/0x181 [ 1944.522212][ T8040] panic+0x210/0x640 [ 1944.526200][ T8040] ? vprintk_func+0x8d/0x140 [ 1944.531051][ T8040] kcsan_report.cold+0xc/0xd [ 1944.535640][ T8040] kcsan_setup_watchpoint+0x3fe/0x460 [ 1944.541009][ T8040] __tsan_read8+0xc6/0x100 [ 1944.545539][ T8040] wbt_wait+0x177/0x250 [ 1944.549979][ T8040] ? wbt_cleanup+0x80/0x80 [ 1944.554507][ T8040] __rq_qos_throttle+0x47/0x70 [ 1944.559335][ T8040] blk_mq_make_request+0x29c/0xf60 [ 1944.564443][ T8040] ? blk_queue_enter+0x532/0x570 [ 1944.569380][ T8040] generic_make_request+0x196/0x700 [ 1944.574636][ T8040] ? __rcu_read_unlock+0x66/0x3d0 [ 1944.579684][ T8040] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 1944.585586][ T8040] ? __rcu_read_unlock+0x66/0x3d0 [ 1944.590684][ T8040] submit_bio+0x96/0x3c0 [ 1944.594920][ T8040] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1944.600745][ T8040] ? guard_bio_eod+0x131/0x3b0 [ 1944.605575][ T8040] ? bio_add_page+0xf8/0x130 [ 1944.610185][ T8040] submit_bh_wbc+0x40f/0x460 [ 1944.614990][ T8040] __sync_dirty_buffer+0xd3/0x210 [ 1944.620169][ T8040] sync_dirty_buffer+0x24/0x40 [ 1944.624943][ T8040] __ext4_handle_dirty_metadata+0x19c/0x3e0 [ 1944.630926][ T8040] ? __read_once_size.constprop.0+0x12/0x20 [ 1944.636967][ T8040] ext4_handle_dirty_dirblock+0x20a/0x280 [ 1944.642926][ T8040] ext4_delete_entry+0x266/0x2c0 [ 1944.648144][ T8040] ext4_rmdir+0x3ca/0x700 [ 1944.652471][ T8040] ? lockref_get+0xdb/0x170 [ 1944.657096][ T8040] vfs_rmdir+0x119/0x300 [ 1944.661362][ T8040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1944.667681][ T8040] do_rmdir+0x2cb/0x300 [ 1944.671834][ T8040] __x64_sys_rmdir+0x2f/0x40 [ 1944.676417][ T8040] do_syscall_64+0xcc/0x3a0 [ 1944.681074][ T8040] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1944.686998][ T8040] RIP: 0033:0x45b0b7 [ 1944.690994][ T8040] Code: 00 66 90 b8 57 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 54 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0d b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1944.710919][ T8040] RSP: 002b:00007ffdead5c1a8 EFLAGS: 00000207 ORIG_RAX: 0000000000000054 [ 1944.719320][ T8040] RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 000000000045b0b7 [ 1944.727286][ T8040] RDX: 0000000000000000 RSI: 000000000071e698 RDI: 00007ffdead5d2e0 [ 1944.735395][ T8040] RBP: 00000000000025d0 R08: 0000000000000000 R09: 0000000000000001 [ 1944.743500][ T8040] R10: 000000000000000a R11: 0000000000000207 R12: 00007ffdead5d2e0 [ 1944.751592][ T8040] R13: 0000000002949940 R14: 0000000000000000 R15: 00007ffdead5d2e0 [ 1944.761341][ T8040] Kernel Offset: disabled [ 1944.765775][ T8040] Rebooting in 86400 seconds..