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,
next 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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