File 0011-namehint-Fix-bad-free-with-invalid-iface-n... of Package alsa

Overview Repositories Revisions Requests Users Attributes Meta

File 0011-namehint-Fix-bad-free-with-invalid-iface-name.patch of Package alsa (Revision 4755e52f41c1d9a8b16ecd9dce7308ee)

Currently displaying revision 4755e52f41c1d9a8b16ecd9dce7308ee , Show latest

From 46d98392d0f832e46693c8c06b4927a5eb6f4b28 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Thu, 30 Apr 2015 14:38:25 +0200
Subject: [PATCH 11/16] namehint: Fix bad free with invalid iface name

Due to the uninitialized field before the error path, passing an
invalid iface argument may result in a bad free() call.  Initialize
the fields properly beforehand.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 src/control/namehint.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/control/namehint.c b/src/control/namehint.c
index 6c04143a185c..b3e646eb10af 100644
--- a/src/control/namehint.c
+++ b/src/control/namehint.c
@@ -562,6 +562,8 @@ int snd_device_name_hint(int card, const char *iface, void ***hints)
 	list.list = NULL;
 	list.count = list.allocated = 0;
 	list.siface = iface;
+	list.show_all = 0;
+	list.cardname = NULL;
 	if (strcmp(iface, "card") == 0)
 		list.iface = SND_CTL_ELEM_IFACE_CARD;
 	else if (strcmp(iface, "pcm") == 0)
@@ -581,8 +583,6 @@ int snd_device_name_hint(int card, const char *iface, void ***hints)
 		goto __error;
 	}
 
-	list.show_all = 0;
-	list.cardname = NULL;
 	if (snd_config_search(local_config, "defaults.namehint.showall", &conf) >= 0)
 		list.show_all = snd_config_get_bool(conf) > 0;
 	if (card >= 0) {
-- 
2.4.1

Places

File 0011-namehint-Fix-bad-free-with-invalid-iface-name.patch of Package alsa (Revision 4755e52f41c1d9a8b16ecd9dce7308ee)

Places