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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 06:36:46 +0000 (08:36 +0200)
commitc35bf96aba0ca6bd6c7e5e180bc43d1a0f0c43f7
treee1485f05b94613560a907d6226e4cb44e0e1c443tree | snapshot
parenta3320acb47874c0977dd49d8adc19d5047f52f1acommit | 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
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git