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openSUSE:Leap:42.1:Staging:C
alsa
0011-namehint-Fix-bad-free-with-invalid-iface-n...
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File 0011-namehint-Fix-bad-free-with-invalid-iface-name.patch of Package alsa
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
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