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otrx: check TRX length read from header to avoid Segmentation fault

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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

SVN-Revision: 45433
This commit is contained in:
Rafał Miłecki 2015-04-14 12:18:57 +00:00
parent b5073ca2c8
commit 834e60c4f1
1 changed files with 6 additions and 0 deletions
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6
package/utils/otrx/src/otrx.c
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@ -167,6 +167,12 @@ static int otrx_check() {
}
length = le32_to_cpu(hdr.length);
if (length < sizeof(hdr)) {
fprintf(stderr, "Length read from TRX too low (%zu B)\n", length);
err = -EINVAL;
goto err_close;
}
buf = malloc(length);
if (!buf) {
fprintf(stderr, "Couldn't alloc %d B buffer\n", length);