// https://syzkaller.appspot.com/bug?id=07338acc213f9b910d664c91cc66b0afb244367c // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include <endian.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/syscall.h> #include <sys/types.h> #include <unistd.h> uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } res = syscall(__NR_socket, /*domain=*/0xaul, /*type=SOCK_STREAM*/ 1ul, /*proto=*/0x100); if (res != -1) r[0] = res; *(uint16_t*)0x200000c0 = 0xa; *(uint16_t*)0x200000c2 = htobe16(0x4e21); *(uint32_t*)0x200000c4 = htobe32(0xb); memset((void*)0x200000c8, 0, 16); *(uint32_t*)0x200000d8 = 0; syscall(__NR_bind, /*fd=*/r[0], /*addr=*/0x200000c0ul, /*addrlen=*/0x1cul); *(uint16_t*)0x20000000 = 0xa; *(uint16_t*)0x20000002 = htobe16(0x4e21); *(uint32_t*)0x20000004 = htobe32(0); memset((void*)0x20000008, 0, 16); *(uint32_t*)0x20000018 = 0; syscall(__NR_connect, /*fd=*/r[0], /*addr=*/0x20000000ul, /*addrlen=*/0x1cul); res = syscall(__NR_socket, /*domain=*/0xaul, /*type=SOCK_DGRAM*/ 2ul, /*proto=*/0); if (res != -1) r[1] = res; syscall(__NR_setsockopt, /*fd=*/r[1], /*level=*/0x29, /*optname=IPV6_JOIN_ANYCAST*/ 0x1b, /*optval=*/0ul, /*optlen=*/0ul); return 0; }