Message ID | 20160715110912.GE9258@mwanda (mailing list archive) |
---|---|
State | Accepted |
Delegated to: | Herbert Xu |
Headers | show |
On Fri, Jul 15, 2016 at 02:09:13PM +0300, Dan Carpenter wrote: > The props->ap[] array is defined like this: > > struct alg_props ap[NX_MAX_FC][NX_MAX_MODE][3]; > > So we can see that if msc->fc and msc->mode are == to NX_MAX_FC or > NX_MAX_MODE then we're off by one. > > Fixes: ae0222b7289d ('powerpc/crypto: nx driver code supporting nx encryption') > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Patch applied. Thanks.
diff --git a/drivers/crypto/nx/nx.c b/drivers/crypto/nx/nx.c index 0794f1c..42f0f22 100644 --- a/drivers/crypto/nx/nx.c +++ b/drivers/crypto/nx/nx.c @@ -392,7 +392,7 @@ static void nx_of_update_msc(struct device *dev, ((bytes_so_far + sizeof(struct msc_triplet)) <= lenp) && i < msc->triplets; i++) { - if (msc->fc > NX_MAX_FC || msc->mode > NX_MAX_MODE) { + if (msc->fc >= NX_MAX_FC || msc->mode >= NX_MAX_MODE) { dev_err(dev, "unknown function code/mode " "combo: %d/%d (ignored)\n", msc->fc, msc->mode);
The props->ap[] array is defined like this: struct alg_props ap[NX_MAX_FC][NX_MAX_MODE][3]; So we can see that if msc->fc and msc->mode are == to NX_MAX_FC or NX_MAX_MODE then we're off by one. Fixes: ae0222b7289d ('powerpc/crypto: nx driver code supporting nx encryption') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html