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Fix crash 6f29967c0 by revskill

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Álvaro Felipe Melchor 2015-11-17 22:30:16 +01:00 committed by pancake
parent 40ab1e2be6
commit 081ba83431
1 changed files with 6 additions and 4 deletions
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10
libr/bin/format/mach0/mach0.c
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@ -925,19 +925,21 @@ struct section_t* MACH0_(get_sections)(struct MACH0_(obj_t)* bin) {
if (!bin || !bin->sects)
return NULL;
to = R_MIN (bin->nsects, 128); // limit number of sections here to avoid fuzzed bins
if (to<1)
if (to < 1)
return NULL;
if (!(sections = malloc ((bin->nsects + 1) * sizeof (struct section_t))))
return NULL;
for (i = 0; i<to; i++) {
for (i = 0; i < to; i++) {
sections[i].offset = (ut64)bin->sects[i].offset;
sections[i].addr = (ut64)bin->sects[i].addr;
sections[i].size = (ut64)bin->sects[i].size;
sections[i].align = bin->sects[i].align;
sections[i].flags = bin->sects[i].flags;
strncpy (segname, bin->sects[i].segname, sizeof (segname)-1);
strncpy (sectname, bin->sects[i].sectname, sizeof (sectname)-1);
r_str_ncpy (segname, bin->sects[i].segname, sizeof (segname)-1);
r_str_ncpy (sectname, bin->sects[i].sectname, sizeof (sectname)-1);
// hack to support multiple sections with same name
// ensure '\0' terminated
bin->sects[i].sectname[15] = '\0';
snprintf (segname, sizeof (segname), "%d", i); // wtf
snprintf (sectname, sizeof (sectname), "%s", bin->sects[i].sectname);
for (j=0; j<bin->nsegs; j++) {