openbsd/src
1
0
Fork 0
mirror of https://github.com/openbsd/src.git synced 2026-06-18 15:23:33 +02:00
Code Activity

Don't access past end of cc_alg[] when trying to avoid

Browse Source 
unregistering an invalid algorithm.

CID 1453298

ok kettenis@ (with suggested improvements to come)
This commit is contained in:
krw
2020-03-29 13:43:13 +00:00
parent b3ffc235a0
commit fbb739eb26
1 changed files with 4 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
sys/crypto/crypto.c
+4 -4
View File
@@ -1,4 +1,4 @@
/* $OpenBSD: crypto.c,v 1.80 2017/11/30 16:31:12 visa Exp $ */
/* $OpenBSD: crypto.c,v 1.81 2020/03/29 13:43:13 krw Exp $ */
/*
* The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
*
@@ -331,9 +331,9 @@ crypto_unregister(u_int32_t driverid, int alg)
/* Sanity checks. */
if (driverid >= crypto_drivers_num || crypto_drivers == NULL ||
((alg <= 0 || alg > CRYPTO_ALGORITHM_MAX) &&
alg != CRYPTO_ALGORITHM_MAX + 1) ||
crypto_drivers[driverid].cc_alg[alg] == 0) {
alg <= 0 || alg > (CRYPTO_ALGORITHM_MAX + 1) ||
(alg != (CRYPTO_ALGORITHM_MAX + 1) &&
crypto_drivers[driverid].cc_alg[alg] == 0)) {
splx(s);
return EINVAL;
}