// autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #ifndef __NR_bpf #define __NR_bpf 321 #endif uint64_t r[5] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } // sendmsg$nl_route arguments: [ // fd: sock_nl_route (resource) // msg: ptr[in, msghdr_netlink[netlink_msg_route]] { // msghdr_netlink[netlink_msg_route] { // addr: nil // addrlen: len = 0x0 (4 bytes) // pad = 0x0 (4 bytes) // vec: ptr[in, iovec[in, netlink_msg_route]] { // iovec[in, netlink_msg_route] { // addr: ptr[inout, array[ANYUNION]] { // array[ANYUNION] { // union ANYUNION { // ANYBLOB: buffer: {} (length 0x0) // } // union ANYUNION { // ANYRES32: ANYRES32 (resource) // } // union ANYUNION { // ANYBLOB: buffer: {01 02 04 00 00 00 00 00 28 00 12 80 08 // 00 01 00 73 69 74 00 1c 00 02 80 08 00 02 00 c6 12 00 01 // 06 00 08 00 19 00 00 00 05 00 0a 00 fd 00 00 00 08 00 04 // 00 01 00 01 00 08 00 0a 00 fa} (length 0x3d) // } // } // } // len: len = 0x58 (8 bytes) // } // } // vlen: const = 0x1 (8 bytes) // ctrl: const = 0x0 (8 bytes) // ctrllen: const = 0x0 (8 bytes) // f: send_flags = 0x0 (4 bytes) // pad = 0x0 (4 bytes) // } // } // f: send_flags = 0x0 (8 bytes) // ] *(uint64_t*)0x200000000580 = 0; *(uint32_t*)0x200000000588 = 0; *(uint64_t*)0x200000000590 = 0x200000000140; *(uint64_t*)0x200000000140 = 0x200000000000; *(uint32_t*)0x200000000000 = 0; memcpy((void*)0x200000000004, "\x01\x02\x04\x00\x00\x00\x00\x00\x28\x00\x12\x80\x08\x00\x01\x00\x73" "\x69\x74\x00\x1c\x00\x02\x80\x08\x00\x02\x00\xc6\x12\x00\x01\x06\x00" "\x08\x00\x19\x00\x00\x00\x05\x00\x0a\x00\xfd\x00\x00\x00\x08\x00\x04" "\x00\x01\x00\x01\x00\x08\x00\x0a\x00\xfa", 61); *(uint64_t*)0x200000000148 = 0x58; *(uint64_t*)0x200000000598 = 1; *(uint64_t*)0x2000000005a0 = 0; *(uint64_t*)0x2000000005a8 = 0; *(uint32_t*)0x2000000005b0 = 0; syscall(__NR_sendmsg, /*fd=*/(intptr_t)-1, /*msg=*/0x200000000580ul, /*f=*/0ul); // bpf$PROG_LOAD_XDP arguments: [ // cmd: const = 0x5 (8 bytes) // arg: ptr[in, bpf_prog_t[const[BPF_PROG_TYPE_XDP, int32], const[BPF_XDP, // int32], const[0, int32], const[0, int32]]] { // bpf_prog_t[const[BPF_PROG_TYPE_XDP, int32], const[BPF_XDP, int32], // const[0, int32], const[0, int32]] { // type: const = 0x12 (4 bytes) // ninsn: bytesize8 = 0x1f (4 bytes) // insns: nil // license: nil // loglev: int32 = 0x0 (4 bytes) // logsize: len = 0x0 (4 bytes) // log: nil // kern_version: bpf_kern_version = 0x0 (4 bytes) // flags: bpf_prog_load_flags = 0x0 (4 bytes) // prog_name: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00} // (length 0x10) prog_ifindex: ifindex (resource) expected_attach_type: // const = 0xf (4 bytes) btf_fd: fd_btf (resource) func_info_rec_size: // const = 0x8 (4 bytes) func_info: nil func_info_cnt: len = 0x0 (4 // bytes) line_info_rec_size: const = 0x10 (4 bytes) line_info: nil // line_info_cnt: len = 0x0 (4 bytes) // attach_btf_id: const = 0x0 (4 bytes) // attach_prog_fd: const = 0x0 (4 bytes) // core_relo_cnt: len = 0x0 (4 bytes) // fd_array: nil // core_relos: nil // core_relo_rec_size: const = 0x10 (4 bytes) // log_true_size: int32 = 0x0 (4 bytes) // prog_token_fd: union _bpf_prog_t[const[BPF_PROG_TYPE_XDP, int32], // const[BPF_XDP, int32], const[0, int32], const[0, // int32]]_prog_token_fd_wrapper { // void: buffer: {} (length 0x0) // } // pad: union _bpf_prog_t[const[BPF_PROG_TYPE_XDP, int32], // const[BPF_XDP, int32], const[0, int32], const[0, int32]]_pad_wrapper // { // value: const = 0x0 (4 bytes) // } // } // } // size: len = 0x90 (8 bytes) // ] // returns fd_bpf_prog_xdp *(uint32_t*)0x2000000000c0 = 0x12; *(uint32_t*)0x2000000000c4 = 0x1f; *(uint64_t*)0x2000000000c8 = 0; *(uint64_t*)0x2000000000d0 = 0; *(uint32_t*)0x2000000000d8 = 0; *(uint32_t*)0x2000000000dc = 0; *(uint64_t*)0x2000000000e0 = 0; *(uint32_t*)0x2000000000e8 = 0; *(uint32_t*)0x2000000000ec = 0; memset((void*)0x2000000000f0, 0, 16); *(uint32_t*)0x200000000100 = 0; *(uint32_t*)0x200000000104 = 0xf; *(uint32_t*)0x200000000108 = -1; *(uint32_t*)0x20000000010c = 8; *(uint64_t*)0x200000000110 = 0; *(uint32_t*)0x200000000118 = 0; *(uint32_t*)0x20000000011c = 0x10; *(uint64_t*)0x200000000120 = 0; *(uint32_t*)0x200000000128 = 0; *(uint32_t*)0x20000000012c = 0; *(uint32_t*)0x200000000130 = 0; *(uint32_t*)0x200000000134 = 0; *(uint64_t*)0x200000000138 = 0; *(uint64_t*)0x200000000140 = 0; *(uint32_t*)0x200000000148 = 0x10; *(uint32_t*)0x20000000014c = 0; *(uint32_t*)0x200000000150 = 0; syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x2000000000c0ul, /*size=*/0x90ul); // socket arguments: [ // domain: socket_domain = 0x1 (8 bytes) // type: socket_type = 0x803 (8 bytes) // proto: int32 = 0x0 (4 bytes) // ] // returns sock res = syscall(__NR_socket, /*domain=AF_UNIX*/ 1ul, /*type=SOCK_NONBLOCK|SOCK_RAW*/ 0x803ul, /*proto=*/0); if (res != -1) r[0] = res; // getsockname$packet arguments: [ // fd: sock_packet (resource) // addr: ptr[out, sockaddr_ll] { // sockaddr_ll { // sll_family: const = 0x11 (2 bytes) // sll_protocol: packet_protocols = 0x0 (2 bytes) // sll_ifindex: ifindex (resource) // sll_hatype: const = 0x1 (2 bytes) // sll_pkttype: int8 = 0x0 (1 bytes) // sll_halen: const = 0x6 (1 bytes) // sll_addr: union mac_addr { // broadcast: buffer: (DirOut) // } // pad: buffer: (DirOut) // } // } // addrlen: ptr[inout, len] { // len = 0x14 (4 bytes) // } // ] *(uint32_t*)0x2000000001c0 = 0x14; res = syscall(__NR_getsockname, /*fd=*/r[0], /*addr=*/0x200000000100ul, /*addrlen=*/0x2000000001c0ul); if (res != -1) r[1] = *(uint32_t*)0x200000000104; // sendmsg$nl_route arguments: [ // fd: sock_nl_route (resource) // msg: ptr[in, msghdr_netlink[netlink_msg_route]] { // msghdr_netlink[netlink_msg_route] { // addr: nil // addrlen: len = 0x0 (4 bytes) // pad = 0x0 (4 bytes) // vec: ptr[in, iovec[in, netlink_msg_route]] { // iovec[in, netlink_msg_route] { // addr: ptr[inout, array[ANYUNION]] { // array[ANYUNION] { // union ANYUNION { // ANYBLOB: buffer: {44 00 00 00 10 00 03 04 00 00 00 00 00 // 00 00 00 00 00 00 00} (length 0x14) // } // union ANYUNION { // ANYRES32: ANYRES32 (resource) // } // union ANYUNION { // ANYBLOB: buffer: {00 00 00 00 00 00 00 00 15 00 12 80 0b // 00 01 00 69 70 76 6c 61 6e 00 00 04 00 02 87 08 00 05 00} // (length 0x20) // } // union ANYUNION { // ANYRES32: ANYRES32 (resource) // } // } // } // len: len = 0x44 (8 bytes) // } // } // vlen: const = 0x1 (8 bytes) // ctrl: const = 0x0 (8 bytes) // ctrllen: const = 0x0 (8 bytes) // f: send_flags = 0x0 (4 bytes) // pad = 0x0 (4 bytes) // } // } // f: send_flags = 0x8000 (8 bytes) // ] *(uint64_t*)0x200000000280 = 0; *(uint32_t*)0x200000000288 = 0; *(uint64_t*)0x200000000290 = 0x200000000140; *(uint64_t*)0x200000000140 = 0x200000000000; memcpy((void*)0x200000000000, "\x44\x00\x00\x00\x10\x00\x03\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00", 20); *(uint32_t*)0x200000000014 = 0; memcpy((void*)0x200000000018, "\x00\x00\x00\x00\x00\x00\x00\x00\x15\x00\x12\x80\x0b\x00\x01\x00\x69" "\x70\x76\x6c\x61\x6e\x00\x00\x04\x00\x02\x87\x08\x00\x05\x00", 32); *(uint32_t*)0x200000000038 = r[1]; *(uint64_t*)0x200000000148 = 0x44; *(uint64_t*)0x200000000298 = 1; *(uint64_t*)0x2000000002a0 = 0; *(uint64_t*)0x2000000002a8 = 0; *(uint32_t*)0x2000000002b0 = 0; syscall(__NR_sendmsg, /*fd=*/(intptr_t)-1, /*msg=*/0x200000000280ul, /*f=MSG_MORE*/ 0x8000ul); // socket$nl_route arguments: [ // domain: const = 0x10 (8 bytes) // type: const = 0x3 (8 bytes) // proto: const = 0x0 (4 bytes) // ] // returns sock_nl_route res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/0); if (res != -1) r[2] = res; // socket arguments: [ // domain: socket_domain = 0x11 (8 bytes) // type: socket_type = 0x80a (8 bytes) // proto: int32 = 0x0 (4 bytes) // ] // returns sock res = syscall(__NR_socket, /*domain=AF_PACKET*/ 0x11ul, /*type=SOCK_NONBLOCK|SOCK_PACKET*/ 0x80aul, /*proto=*/0); if (res != -1) r[3] = res; // ioctl$sock_SIOCGIFINDEX arguments: [ // fd: sock (resource) // cmd: const = 0x8933 (4 bytes) // arg: ptr[out, ifreq_dev_t[devnames, ifindex]] { // ifreq_dev_t[devnames, ifindex] { // ifr_ifrn: buffer: {62 6f 6e 64 30 00 00 00 00 00 00 00 00 00 00 00} // (length 0x10) elem: ifindex (resource) pad = 0x0 (20 bytes) // } // } // ] memcpy((void*)0x200000000300, "bond0\000\000\000\000\000\000\000\000\000\000\000", 16); res = syscall(__NR_ioctl, /*fd=*/r[3], /*cmd=*/0x8933, /*arg=*/0x200000000300ul); if (res != -1) r[4] = *(uint32_t*)0x200000000310; // sendmsg$nl_route arguments: [ // fd: sock_nl_route (resource) // msg: ptr[in, msghdr_netlink[netlink_msg_route]] { // msghdr_netlink[netlink_msg_route] { // addr: nil // addrlen: len = 0x0 (4 bytes) // pad = 0x0 (4 bytes) // vec: ptr[in, iovec[in, netlink_msg_route]] { // iovec[in, netlink_msg_route] { // addr: ptr[inout, array[ANYUNION]] { // array[ANYUNION] { // union ANYUNION { // ANYBLOB: buffer: {78 00 00 00 10 00 01 04 00 00 00 00 00 // 00 00 00 00 00 00 00} (length 0x14) // } // union ANYUNION { // ANYRES32: ANYRES32 (resource) // } // union ANYUNION { // ANYBLOB: buffer: {60 30 03 00 00 14 00 00 58 00 12 80 09 // 00 01 00 62 6f 6e 64 00 00 00 00 48 00 02 80 2c 00 08} // (length 0x1f) // } // } // } // len: len = 0x78 (8 bytes) // } // } // vlen: const = 0x1 (8 bytes) // ctrl: const = 0x0 (8 bytes) // ctrllen: const = 0x0 (8 bytes) // f: send_flags = 0x0 (4 bytes) // pad = 0x0 (4 bytes) // } // } // f: send_flags = 0x0 (8 bytes) // ] *(uint64_t*)0x200000000340 = 0; *(uint32_t*)0x200000000348 = 0; *(uint64_t*)0x200000000350 = 0x2000000001c0; *(uint64_t*)0x2000000001c0 = 0x200000000000; memcpy((void*)0x200000000000, "\x78\x00\x00\x00\x10\x00\x01\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00", 20); *(uint32_t*)0x200000000014 = r[4]; memcpy((void*)0x200000000018, "\x60\x30\x03\x00\x00\x14\x00\x00\x58\x00\x12\x80\x09\x00\x01\x00\x62" "\x6f\x6e\x64\x00\x00\x00\x00\x48\x00\x02\x80\x2c\x00\x08", 31); *(uint64_t*)0x2000000001c8 = 0x78; *(uint64_t*)0x200000000358 = 1; *(uint64_t*)0x200000000360 = 0; *(uint64_t*)0x200000000368 = 0; *(uint32_t*)0x200000000370 = 0; syscall(__NR_sendmsg, /*fd=*/r[2], /*msg=*/0x200000000340ul, /*f=*/0ul); return 0; }