31 lines
897 B
Diff
31 lines
897 B
Diff
From 3b01374845f8bbe29ef945b866f679555b28cd38 Mon Sep 17 00:00:00 2001
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From: Karel Zak <kzak@redhat.com>
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Date: Tue, 30 Apr 2024 10:51:50 +0200
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Subject: [PATCH] suL fix use after free on error
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Signed-off-by: Karel Zak <kzak@redhat.com>
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---
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login-utils/su-common.c | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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diff --git a/login-utils/su-common.c b/login-utils/su-common.c
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index b674920..35950ce 100644
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--- a/login-utils/su-common.c
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+++ b/login-utils/su-common.c
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@@ -446,9 +446,10 @@ static void supam_open_session(struct su_context *su)
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rc = pam_open_session(su->pamh, 0);
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if (is_pam_failure(rc)) {
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+ const char *msg = pam_strerror(su->pamh, rc);
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+
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supam_cleanup(su, rc);
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- errx(EXIT_FAILURE, _("cannot open session: %s"),
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- pam_strerror(su->pamh, rc));
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+ errx(EXIT_FAILURE, _("cannot open session: %s"), msg);
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} else
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su->pam_has_session = 1;
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}
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--
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2.43.0
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