// https://syzkaller.appspot.com/bug?id=333d17d3b96654afa55022bf6042d4725980902f // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #ifndef __NR_mmap #define __NR_mmap 222 #endif #ifndef __NR_sendmsg #define __NR_sendmsg 211 #endif #ifndef __NR_socket #define __NR_socket 198 #endif uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000, /*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=*/0x21000000ul, /*len=*/0x1000, /*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)) { } // socket$nl_xfrm arguments: [ // domain: const = 0x10 (8 bytes) // type: const = 0x3 (8 bytes) // proto: const = 0x6 (4 bytes) // ] // returns sock_nl_xfrm res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/6); if (res != -1) r[0] = res; // sendmsg$nl_xfrm arguments: [ // fd: sock_nl_xfrm (resource) // msg: ptr[in, msghdr_netlink[netlink_msg_xfrm]] { // msghdr_netlink[netlink_msg_xfrm] { // addr: nil // addrlen: len = 0x0 (4 bytes) // pad = 0x0 (4 bytes) // vec: ptr[in, iovec[in, netlink_msg_xfrm]] { // iovec[in, netlink_msg_xfrm] { // addr: ptr[in, netlink_msg_xfrm] { // union netlink_msg_xfrm { // newsa: netlink_msg_t[const[XFRM_MSG_NEWSA, int16], // xfrm_usersa_info, xfrma_policy] { // len: len = 0x150 (4 bytes) // type: const = 0x10 (2 bytes) // flags: netlink_msg_flags = 0x1 (2 bytes) // seq: int32 = 0x0 (4 bytes) // pid: int32 = 0x0 (4 bytes) // payload: xfrm_usersa_info { // sel: xfrm_selector { // daddr: union xfrm_address_t { // in: union ipv4_addr { // loopback: const = 0x7f000001 (4 bytes) // } // } // saddr: union xfrm_address_t { // in: union ipv4_addr { // loopback: const = 0x7f000001 (4 bytes) // } // } // dport: int16be = 0x0 (2 bytes) // dport_mask: int16be = 0x0 (2 bytes) // sport: int16be = 0x0 (2 bytes) // sport_mask: int16be = 0x0 (2 bytes) // family: xfrm_family = 0x2 (2 bytes) // prefixlen_d: xfrm_prefixlens = 0x20 (1 bytes) // prefixlen_s: xfrm_prefixlens = 0x20 (1 bytes) // proto: ipv6_types = 0x0 (1 bytes) // pad = 0x0 (3 bytes) // ifindex: ifindex (resource) // user: uid (resource) // } // id: xfrm_id { // daddr: union xfrm_address_t { // in: union ipv4_addr { // loopback: const = 0x7f000001 (4 bytes) // } // } // spi: int32be = 0xbe3412 (4 bytes) // proto: xfrm_proto = 0x32 (1 bytes) // pad = 0x0 (3 bytes) // } // saddr: union xfrm_address_t { // in: union ipv4_addr { // loopback: const = 0x7f000001 (4 bytes) // } // } // lft: xfrm_lifetime_cfg { // soft_byte_limit: int64 = 0x0 (8 bytes) // hard_byte_limit: int64 = 0x0 (8 bytes) // soft_packet_limit: int64 = 0x0 (8 bytes) // hard_packet_limit: int64 = 0x0 (8 bytes) // soft_add_expires_seconds: int64 = 0x0 (8 bytes) // hard_add_expires_seconds: int64 = 0x0 (8 bytes) // soft_use_expires_seconds: int64 = 0x0 (8 bytes) // hard_use_expires_seconds: int64 = 0x0 (8 bytes) // } // curlft: xfrm_lifetime_cur { // bytes: int64 = 0x0 (8 bytes) // packets: int64 = 0x0 (8 bytes) // add_time: int64 = 0x0 (8 bytes) // use_time: int64 = 0x0 (8 bytes) // } // stats: xfrm_stats { // replay_window: int32 = 0x0 (4 bytes) // replay: int32 = 0x0 (4 bytes) // integrity_failed: int32 = 0x0 (4 bytes) // } // seq: int32 = 0x0 (4 bytes) // reqid: int32 = 0x1 (4 bytes) // family: xfrm_family = 0x2 (2 bytes) // mode: xfrm_mode = 0x0 (1 bytes) // replay_window: int8 = 0x0 (1 bytes) // flags: xfrm_state = 0x0 (1 bytes) // pad = 0x0 (7 bytes) // } // attrs: array[xfrma_policy] { // union xfrma_policy { // algo_aead: nlattr_t[const[XFRMA_ALG_AEAD, int16], // xfrm_algo_aead] { // nla_len: offsetof = 0x60 (2 bytes) // nla_type: const = 0x12 (2 bytes) // payload: xfrm_algo_aead { // alg_name: alg_aead_name { // name: buffer: {72 66 63 34 31 30 36 28 67 63 6d // 28 61 65 73 29 29 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00} (length 0x40) // } // alg_key_len: bitsize = 0xa0 (4 bytes) // alg_icv_len: xfrm_algo_truncbits = 0x60 (4 bytes) // alg_key: buffer: {21 04 66 d3 85 47 aa 14 0d b9 a2 // 00 00 00 00 c5 38 c7 cb 7a} (length 0x14) // } // size: buffer: {} (length 0x0) // } // } // } // } // } // } // len: len = 0x150 (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*)0x200003c0 = 0; *(uint32_t*)0x200003c8 = 0; *(uint64_t*)0x200003d0 = 0x20000380; *(uint64_t*)0x20000380 = 0x20000000; *(uint32_t*)0x20000000 = 0x150; *(uint16_t*)0x20000004 = 0x10; *(uint16_t*)0x20000006 = 1; *(uint32_t*)0x20000008 = 0; *(uint32_t*)0x2000000c = 0; *(uint32_t*)0x20000010 = htobe32(0x7f000001); *(uint32_t*)0x20000020 = htobe32(0x7f000001); *(uint16_t*)0x20000030 = htobe16(0); *(uint16_t*)0x20000032 = htobe16(0); *(uint16_t*)0x20000034 = htobe16(0); *(uint16_t*)0x20000036 = htobe16(0); *(uint16_t*)0x20000038 = 2; *(uint8_t*)0x2000003a = 0x20; *(uint8_t*)0x2000003b = 0x20; *(uint8_t*)0x2000003c = 0; *(uint32_t*)0x20000040 = 0; *(uint32_t*)0x20000044 = 0; *(uint32_t*)0x20000048 = htobe32(0x7f000001); *(uint32_t*)0x20000058 = htobe32(0xbe3412); *(uint8_t*)0x2000005c = 0x32; *(uint32_t*)0x20000060 = htobe32(0x7f000001); *(uint64_t*)0x20000070 = 0; *(uint64_t*)0x20000078 = 0; *(uint64_t*)0x20000080 = 0; *(uint64_t*)0x20000088 = 0; *(uint64_t*)0x20000090 = 0; *(uint64_t*)0x20000098 = 0; *(uint64_t*)0x200000a0 = 0; *(uint64_t*)0x200000a8 = 0; *(uint64_t*)0x200000b0 = 0; *(uint64_t*)0x200000b8 = 0; *(uint64_t*)0x200000c0 = 0; *(uint64_t*)0x200000c8 = 0; *(uint32_t*)0x200000d0 = 0; *(uint32_t*)0x200000d4 = 0; *(uint32_t*)0x200000d8 = 0; *(uint32_t*)0x200000dc = 0; *(uint32_t*)0x200000e0 = 1; *(uint16_t*)0x200000e4 = 2; *(uint8_t*)0x200000e6 = 0; *(uint8_t*)0x200000e7 = 0; *(uint8_t*)0x200000e8 = 0; *(uint16_t*)0x200000f0 = 0x60; *(uint16_t*)0x200000f2 = 0x12; memcpy((void*)0x200000f4, "rfc4106(gcm(aes))" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000", 64); *(uint32_t*)0x20000134 = 0xa0; *(uint32_t*)0x20000138 = 0x60; memcpy((void*)0x2000013c, "\x21\x04\x66\xd3\x85\x47\xaa\x14\x0d\xb9\xa2\x00\x00\x00\x00\xc5\x38" "\xc7\xcb\x7a", 20); *(uint64_t*)0x20000388 = 0x150; *(uint64_t*)0x200003d8 = 1; *(uint64_t*)0x200003e0 = 0; *(uint64_t*)0x200003e8 = 0; *(uint32_t*)0x200003f0 = 0; syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x200003c0ul, /*f=*/0ul); // sendmsg$nl_xfrm arguments: [ // fd: sock_nl_xfrm (resource) // msg: ptr[in, msghdr_netlink[netlink_msg_xfrm]] { // msghdr_netlink[netlink_msg_xfrm] { // addr: nil // addrlen: len = 0x0 (4 bytes) // pad = 0x0 (4 bytes) // vec: ptr[in, iovec[in, netlink_msg_xfrm]] { // iovec[in, netlink_msg_xfrm] { // addr: ptr[inout, array[ANYUNION]] { // array[ANYUNION] { // union ANYUNION { // ANYBLOB: buffer: {94 00 00 00 29 00 01 00 00 00 00 00 00 // 00 00 00 7f 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 // 00 be 34 12 02 00 32 00 7f 00 00 02 00 00 00 00 00 00 00 // 00 00 00 00 00 7f 00 00 01 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 7f 00 00 01 00 00 00 00 00 // 00 00 00 00 00 00 00 7f 00 00 01 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 02 00 20 20 00 00 00 // 00 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 02 00 // 00 00} (length 0x94) // } // } // } // len: len = 0x94 (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*)0x20000500 = 0; *(uint32_t*)0x20000508 = 0; *(uint64_t*)0x20000510 = 0x20000400; *(uint64_t*)0x20000400 = 0x20000000; memcpy((void*)0x20000000, "\x94\x00\x00\x00\x29\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x7f" "\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbe" "\x34\x12\x02\x00\x32\x00\x7f\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x7f\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x7f\x00\x00\x01\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x7f\x00\x00\x01\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x02\x00\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00", 148); *(uint64_t*)0x20000408 = 0x94; *(uint64_t*)0x20000518 = 1; *(uint64_t*)0x20000520 = 0; *(uint64_t*)0x20000528 = 0; *(uint32_t*)0x20000530 = 0; syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x20000500ul, /*f=*/0ul); return 0; }