From: Jaroslav Kysela <perex@perex.cz>
Date: Mon, 8 Jun 2026 12:33:19 +0000 (+0200)
Subject: conf: add missing return value check in parse_def()
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=refs%2Fheads%2Fmaster;p=alsa-lib.git

conf: add missing return value check in parse_def()

A malformed configuration may cause SIGSEGV.

Link: https://lore.kernel.org/alsa-devel/CAGt8pqBU0p2voB+qHxWGcNJrKHAcBhAyHUUBPLBN-Yj_SiV6MQ@mail.gmail.com/
Reported-by: Luigino Camastra <luigino.camastra@aisle.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---

diff --git a/src/conf.c b/src/conf.c
index b0dd6298..e1dba23d 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -1485,6 +1485,10 @@ static int parse_def(snd_config_t *parent, input_t *input, int skip, int overrid
 			endchr = ']';
 		}
 		c = get_nonwhite(input);
+		if (c < 0) {
+			err = c;
+			goto __end;
+		}
 		if (c != endchr) {
 			if (n)
 				snd_config_delete(n);