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Fix DoS on macho parser spotted by scan coverity ##crash

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Sergi Àlvarez i Capilla 2022-02-18 20:15:37 +01:00 committed by pancake
parent 6e4819b054
commit d24dbb9fbb
1 changed files with 7 additions and 0 deletions
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7
libr/bin/format/mach0/mach0.c
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@ -3151,6 +3151,13 @@ static void parse_relocation_info(struct MACH0_(obj_t) *bin, RSkipList *relocs,
}
ut64 total_size = num * sizeof (struct relocation_info);
if (offset > bin->size) {
return;
}
if (total_size > bin->size) {
total_size = bin->size - offset;
num = total_size /= sizeof (struct relocation_info);
}
struct relocation_info *info = calloc (num, sizeof (struct relocation_info));
if (!info) {
return;