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D35169.id105822.diff
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Index: lib/libpam/modules/pam_exec/pam_exec.c
===================================================================
--- lib/libpam/modules/pam_exec/pam_exec.c
+++ lib/libpam/modules/pam_exec/pam_exec.c
@@ -261,13 +261,13 @@
/* don't prompt, only expose existing token */
rc = pam_get_item(pamh, PAM_AUTHTOK, &item);
- if (item != NULL) {
- authtok = item;
- } else {
+ if (item == NULL && rc == PAM_SUCCESS) {
openpam_log(PAM_LOG_ERROR,
"%s: pam_get_authtok(): %s",
func, "existing token not available");
OUT(PAM_SYSTEM_ERR);
+ } else {
+ authtok = item;
}
} else {
rc = pam_get_authtok(pamh, PAM_AUTHTOK, &authtok, NULL);
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D35169.id105822.diff (685 B)
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D35169: pam_exec: fix segfault when existing auth token is null on `pam_sm_set_cred`
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