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-rw-r--r--net/sunrpc/auth_gss/svcauth_gss.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 224a82f24d3c..1095be9c80ab 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -463,6 +463,8 @@ static int rsc_parse(struct cache_detail *cd,
/* number of additional gid's */
if (get_int(&mesg, &N))
goto out;
+ if (N < 0 || N > NGROUPS_MAX)
+ goto out;
status = -ENOMEM;
rsci.cred.cr_group_info = groups_alloc(N);
if (rsci.cred.cr_group_info == NULL)