Linux Sound subsystem development
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From: Lucy Thrun <lucy.thrun@digital-rabbithole.de>
To: tiwai@suse.de
Cc: perex@perex.cz, linux-sound@vger.kernel.org, lkp@intel.com,
	Lucy Thrun <lucy.thrun@digital-rabbithole.de>
Subject: [PATCH 2/2] ALSA: hda/ca0132: Fix possible buffer overflow with snprintf
Date: Tue, 10 Jun 2025 14:24:38 +0200	[thread overview]
Message-ID: <20250610122438.820-2-lucy.thrun@digital-rabbithole.de> (raw)
In-Reply-To: <20250610122438.820-1-lucy.thrun@digital-rabbithole.de>

| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202506100642.95jpuMY1-lkp@intel.com/

Signed-off-by: Lucy Thrun <lucy.thrun@digital-rabbithole.de>
---
 sound/pci/hda/patch_ca0132.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c
index 491d45d652dd..1904964591db 100644
--- a/sound/pci/hda/patch_ca0132.c
+++ b/sound/pci/hda/patch_ca0132.c
@@ -4410,7 +4410,7 @@ static int add_tuning_control(struct hda_codec *codec,
 	}
 	knew.private_value =
 		HDA_COMPOSE_AMP_VAL(nid, 1, 0, type);
-	sprintf(namestr, "%s %s Volume", name, dirstr[dir]);
+	snprintf(namestr, sizeof(namestr), "%s %s Volume", name, dirstr[dir]);
 	return snd_hda_ctl_add(codec, nid, snd_ctl_new1(&knew, codec));
 }
 
-- 
2.45.1.windows.1


  reply	other threads:[~2025-06-10 12:32 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-10 12:24 [PATCH 1/2] ALSA: hda/ca0132: Use NULL instead of 0 for pointer assignment Lucy Thrun
2025-06-10 12:24 ` Lucy Thrun [this message]
2025-06-10 15:55 ` Takashi Iwai

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