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Fix oobread icin mach0 parser

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This commit is contained in:
pancake 2018-10-07 11:48:20 +02:00
parent 2307f7f5c0
commit e9b147f4cd
1 changed files with 8 additions and 4 deletions
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12
libr/bin/p/bin_mach0.c
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@ -202,16 +202,20 @@ static void process_constructors(RBinFile *bf, RList *ret, int bits) {
continue;
}
if (bits == 32) {
for (i = 0; i < sec->size; i += 4) {
for (i = 0; i + 3 < sec->size; i += 4) {
ut32 addr32 = r_read_le32 (buf + i);
RBinAddr *ba = newEntry (sec->paddr + i, (ut64)addr32, type, bits);
r_list_append (ret, ba);
if (ba) {
r_list_append (ret, ba);
}
}
} else {
for (i = 0; i < sec->size; i += 8) {
for (i = 0; i + 7 < sec->size; i += 8) {
ut64 addr64 = r_read_le64 (buf + i);
RBinAddr *ba = newEntry (sec->paddr + i, addr64, type, bits);
r_list_append (ret, ba);
if (ba) {
r_list_append (ret, ba);
}
}
}
free (buf);