32 lines
947 B
Diff
32 lines
947 B
Diff
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From 3f63dc26445ae7c215e48a57af83b6da325f166d Mon Sep 17 00:00:00 2001
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From: Jaroslav Kysela <perex@perex.cz>
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Date: Thu, 7 Jan 2021 17:41:38 +0100
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Subject: [PATCH 39/44] ucm: uc_mgr_substitute_tree() fix use after free
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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
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---
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src/ucm/ucm_subs.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/src/ucm/ucm_subs.c b/src/ucm/ucm_subs.c
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index f608bb0955a6..df6d736fc820 100644
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--- a/src/ucm/ucm_subs.c
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+++ b/src/ucm/ucm_subs.c
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@@ -417,11 +417,12 @@ int uc_mgr_substitute_tree(snd_use_case_mgr_t *uc_mgr, snd_config_t *node)
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if (err < 0)
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return err;
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err = snd_config_set_id(node, s);
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- free(s);
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if (err < 0) {
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uc_error("unable to set substituted id '%s' (old id '%s')", s, id);
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+ free(s);
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return err;
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}
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+ free(s);
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}
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if (snd_config_get_type(node) != SND_CONFIG_TYPE_COMPOUND) {
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if (snd_config_get_type(node) == SND_CONFIG_TYPE_STRING) {
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--
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2.26.2
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