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Fix ELF crash in clusterfuzz-testcase-minimized-ia_fuzz-6065450650697728.dms

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This commit is contained in:
pancake 2018-10-24 13:26:21 +02:00
parent 6742bbd2c1
commit 3a7a7ba789
1 changed files with 2 additions and 3 deletions
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5
libr/bin/format/elf/elf.c
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@ -751,15 +751,14 @@ static Sdb *store_versioninfo_gnu_verdef(ELFOBJ *bin, Elf_(Shdr) *shdr, int sz)
const char *section_name = "";
const char *link_section_name = "";
char *end = NULL;
Elf_(Shdr) *link_shdr = NULL;
ut8 dfs[sizeof (Elf_(Verdef))] = {0};
Sdb *sdb;
ut32 cnt;
size_t i;
if (shdr->sh_link > bin->ehdr.e_shnum) {
if (shdr->sh_link >= bin->ehdr.e_shnum) {
return false;
}
link_shdr = &bin->shdr[shdr->sh_link];
Elf_(Shdr) *link_shdr = &bin->shdr[shdr->sh_link];
#ifdef R_BIN_ELF64
if ((int)shdr->sh_size < 1 || shdr->sh_size > SIZE_MAX) {
#else