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| author | Takashi Iwai <tiwai@suse.de> | 2013-10-29 15:20:06 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-10-29 15:20:06 +0100 |
| commit | 97f44f56ca94709f45bc348f5d2c88696eae5f9b (patch) | |
| tree | c732ad0aef8aa12e5b9817bed561403735924539 | |
| parent | 75415df8ffbac2ace9463ceffb3f21299af2548a (diff) | |
| download | linux-97f44f56ca94709f45bc348f5d2c88696eae5f9b.tar.bz2 | |
ALSA: Limit the fallback card id string size
When no proper id string is given, the driver tries to fall back to
copy the proc_root name string via strcpy(), but this might overflow
the fixed string size. Let's use strlcpy().
Spotted by coverity CID 139008.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/core/init.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/core/init.c b/sound/core/init.c index 01a89383a062..1351f22f651c 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -597,7 +597,7 @@ static void snd_card_set_id_no_lock(struct snd_card *card, const char *src, /* last resort... */ snd_printk(KERN_ERR "unable to set card id (%s)\n", id); if (card->proc_root->name) - strcpy(card->id, card->proc_root->name); + strlcpy(card->id, card->proc_root->name, sizeof(card->id)); } /** |