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-rw-r--r--src/responder/pam/pamsrv_cmd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/responder/pam/pamsrv_cmd.c b/src/responder/pam/pamsrv_cmd.c
index 2a000f09..40df755d 100644
--- a/src/responder/pam/pamsrv_cmd.c
+++ b/src/responder/pam/pamsrv_cmd.c
@@ -71,7 +71,7 @@ static int extract_string(char **var, size_t size, uint8_t *body, size_t blen,
if (str[size-1]!='\0') return EINVAL;
/* If the string isn't valid UTF-8, fail */
- if (!sss_utf8_check(str, size)) {
+ if (!sss_utf8_check(str, size-1)) {
return EINVAL;
}