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Fix possible null deref in nro

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This commit is contained in:
pancake 2017-05-24 13:09:20 +02:00
parent 31ab3c998f
commit e0d116780c
1 changed files with 6 additions and 3 deletions
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9
libr/bin/p/bin_nro.c
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@ -146,9 +146,12 @@ static void *load_bytes(RBinFile *arch, const ut8 *buf, ut64 sz, ut64 loadaddr,
}
static bool load(RBinFile *arch) {
const ut8 *bytes = arch ? r_buf_buffer (arch->buf) : NULL;
ut64 sz = arch ? r_buf_size (arch->buf): 0;
ut64 la = (arch && arch->o)? arch->o->loadaddr: 0;
if (!arch || !arch->buf || !arch->o) {
return false;
}
const ut64 sz = r_buf_size (arch->buf);
const ut64 la = arch->o->loadaddr;
const ut8 *bytes = r_buf_buffer (arch->buf);
arch->o->bin_obj = load_bytes (arch, bytes, sz, la, arch? arch->sdb: NULL);
return arch->o->bin_obj != NULL;
}