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ALSA: opl3: fix infoleak in opl3
authorxidongwang <wangxidong_97@163.com>
Mon, 6 Jul 2020 03:27:38 +0000 (20:27 -0700)
committerTakashi Iwai <tiwai@suse.de>
Tue, 7 Jul 2020 08:10:49 +0000 (10:10 +0200)
commitad155712bb1ea2151944cf06a0e08c315c70c1e3
tree61cc051b7feed12d5b1d2e4ff2bc1ac8deae42e3tree | snapshot
parentd02b10590953429a6dd2d6245df4d8a0a869df66commit | diff
ALSA: opl3: fix infoleak in opl3

The stack object “info” in snd_opl3_ioctl() has a leaking problem.
It has 2 padding bytes which are not initialized and leaked via
“copy_to_user”.

Signed-off-by: xidongwang <wangxidong_97@163.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/1594006058-30362-1-git-send-email-wangxidong_97@163.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/drivers/opl3/opl3_synth.c diff | blob | history