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ALSA: seq: Fix OOB-reads from strlcpy
authorZubin Mithra <zsm@chromium.org>
Thu, 4 Apr 2019 21:33:55 +0000 (14:33 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 17 Apr 2019 06:37:50 +0000 (08:37 +0200)
commit5589e51fc8afb345561b6b880b349e6bc3bbf410
tree77b349c5fab3ed7d09ad7abee4b281830345fbdftree | snapshot (tar.gz zip)
parenteea06f38eb464ab6ebdc04ca5980120dd24ee48dcommit | diff
ALSA: seq: Fix OOB-reads from strlcpy

commit 212ac181c158c09038c474ba68068be49caecebb upstream.

When ioctl calls are made with non-null-terminated userspace strings,
strlcpy causes an OOB-read from within strlen. Fix by changing to use
strscpy instead.

Signed-off-by: Zubin Mithra <zsm@chromium.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
sound/core/seq/seq_clientmgr.c diff | blob | blame | history