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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2013-11-07 11:09:54 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-11-07 10:17:18 +0100 |
| commit | bffbbc0a2ccb9f3a3235ea6c646030e5fc3d771e (patch) | |
| tree | e7570d77f9a67cf869c6ab3a41c8fe49c8ceb523 /sound/isa | |
| parent | f44f2a5417b2968a8724b352cc0b2545a6bcb1f4 (diff) | |
| download | linux-bffbbc0a2ccb9f3a3235ea6c646030e5fc3d771e.tar.bz2 | |
ALSA: sb16 - info leak in snd_sb_csp_ioctl()
There is a 2 byte hole after "info.func_nr" so we could leak unitialized
stack information to userspace.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/isa')
| -rw-r--r-- | sound/isa/sb/sb16_csp.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/isa/sb/sb16_csp.c b/sound/isa/sb/sb16_csp.c index c1aa21edcb65..48da2276683d 100644 --- a/sound/isa/sb/sb16_csp.c +++ b/sound/isa/sb/sb16_csp.c @@ -208,6 +208,7 @@ static int snd_sb_csp_ioctl(struct snd_hwdep * hw, struct file *file, unsigned i switch (cmd) { /* get information */ case SNDRV_SB_CSP_IOCTL_INFO: + memset(&info, 0, sizeof(info)); *info.codec_name = *p->codec_name; info.func_nr = p->func_nr; info.acc_format = p->acc_format; |