D25649.diff
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	diff --git a/lib/libutil/login_class.c b/lib/libutil/login_class.c
	--- a/lib/libutil/login_class.c
	+++ b/lib/libutil/login_class.c
	@@ -231,12 +231,17 @@
	while (*set_env != NULL) {
	char p = strchr(set_env, '=');

	- if (p != NULL) { /* Discard invalid entries */
	+ if (p != NULL && p != set_env) { / Discard invalid entries */
	+ const char *ep;
	char *np;

	*p++ = '\0';
	+ /* Strip leading spaces from variable name */
	+ ep = *set_env;
	+ while (ep == ' ' \|\| ep == '\t')
	+ ep++;
	if ((np = substvar(p, pwd, hlen, pch, nlen)) != NULL) {
	- setenv(*set_env, np, 1);
	+ setenv(ep, np, 1);
	free(np);
	}
	}