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ALSA: echoaudio: Fix memory allocation
authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Mon, 27 Jun 2016 19:06:51 +0000 (21:06 +0200)
committerTakashi Iwai <tiwai@suse.de>
Mon, 27 Jun 2016 20:27:47 +0000 (22:27 +0200)
commit9c6795a9b3cbb56a9fbfaf43909c5c22999ba317
tree73f2ed280bd43618cb48595ad763f7069fd28ed4tree | snapshot
parent81e43960dce1c8e58e682fb3ec26c1d8f83a9afccommit | diff
ALSA: echoaudio: Fix memory allocation

'commpage_bak' is allocated with 'sizeof(struct echoaudio)' bytes.
We then copy 'sizeof(struct comm_page)' bytes in it.
On my system, smatch complains because one is 2960 and the other is 3072.

This would result in memory corruption or a oops.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/echoaudio/echoaudio.c diff | blob | history
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