mirror of https://github.com/google/oss-fuzz.git
69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/* Copyright 2020 Google Inc.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
/*
|
|
* We convert readelf.c into a header file to make convenient for fuzzing.
|
|
* We do this for several of the binutils applications when creating
|
|
* the binutils fuzzers.
|
|
*/
|
|
#include "readelf.h"
|
|
|
|
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
|
|
int
|
|
LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
|
|
{
|
|
char filename[256];
|
|
sprintf(filename, "/tmp/libfuzzer.%d", getpid());
|
|
|
|
FILE *fp = fopen(filename, "wb");
|
|
if (!fp)
|
|
return 0;
|
|
|
|
fwrite(data, size, 1, fp);
|
|
fclose(fp);
|
|
do_syms = true;
|
|
do_reloc = true;
|
|
do_unwind = true;
|
|
do_dynamic = true;
|
|
do_header = true;
|
|
do_sections = true;
|
|
do_section_groups = true;
|
|
do_segments = true;
|
|
do_version = true;
|
|
do_histogram = true;
|
|
do_arch = true;
|
|
do_notes = true;
|
|
|
|
// Enable DWARF analysis
|
|
// We must call both dwarf_select_sections_by_letters and dwarf_select_sections_all
|
|
// since dwarf_select_sections_all does not set do_debug_lines |= FLAG_DEBUG_LINES_DECODED;
|
|
dwarf_select_sections_by_letters("L");
|
|
dwarf_select_sections_all();
|
|
|
|
// Main fuzz entrypoint
|
|
process_file(filename);
|
|
|
|
unlink(filename);
|
|
|
|
free (dump_ctf_symtab_name);
|
|
dump_ctf_symtab_name = NULL;
|
|
free (dump_ctf_strtab_name);
|
|
dump_ctf_strtab_name = NULL;
|
|
free (dump_ctf_parent_name);
|
|
dump_ctf_parent_name = NULL;
|
|
|
|
return 0;
|
|
}
|