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From: Roel Kluin <roel.kluin@gmail.com>
To: tiwai@suse.de, alsa-devel@alsa-project.org,
	Andrew Morton <akpm@linux-foundation.org>
Subject: [PATCH] mpu401.c: Buffer overflow
Date: Wed, 29 Jul 2009 12:12:09 +0200	[thread overview]
Message-ID: <4A702079.4080304@gmail.com> (raw)

mpu_synth_info[m].name is a char[30], and the minimum length of the data
written by sprintf is 31 bytes including terminating null.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
Found with Parfait, http://research.sun.com/projects/parfait/

diff --git a/sound/oss/mpu401.c b/sound/oss/mpu401.c
index 1b2316f..734b8f9 100644
--- a/sound/oss/mpu401.c
+++ b/sound/oss/mpu401.c
@@ -1074,7 +1074,7 @@ int attach_mpu401(struct address_info *hw_config, struct module *owner)
 			sprintf(mpu_synth_info[m].name, "%s (MPU401)", hw_config->name);
 		else
 			sprintf(mpu_synth_info[m].name,
-				"MPU-401 %d.%d%c Midi interface #%d",
+				"MPU-401 %d.%d%c MIDI #%d",
 				(int) (devc->version & 0xf0) >> 4,
 				devc->version & 0x0f,
 				revision_char,

             reply	other threads:[~2009-07-29 10:09 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-29 10:12 Roel Kluin [this message]
2009-07-29 12:44 ` [PATCH] mpu401.c: Buffer overflow Takashi Iwai

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