ALSA: echoaudio: Fix memory allocation

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commit 9c6795a9b3 upstream.

'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>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

...

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Christophe JAILLET 2016-06-27 21:06:51 +02:00 • committed by Ben Hutchings

parent 37fd397030

commit db92ce5d03

1 changed files with 2 additions and 2 deletions

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sound/pci/echoaudio/echoaudio.c

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