mp3on4: require a minimum framesize.
authorRonald S. Bultje <rsbultje@gmail.com>
Fri, 17 Feb 2012 23:20:27 +0000 (15:20 -0800)
committerReinhard Tartler <siretart@tauware.de>
Sun, 26 Feb 2012 09:03:15 +0000 (10:03 +0100)
commit95a9d44dc3121a93c68087dddd7b9b49d34bf930
tree94fa66ca1358bdb7ca37f45fdf79b48bc24d7bba
parent27558bd87e7e67b83ddefb9176f1729c2291c7a0
mp3on4: require a minimum framesize.

If bufsize < headersize, init_get_bits() will be called with a negative
number, causing it to fail and any subsequent call to get_bits() will
crash because it reads from a NULL pointer.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
(cherry picked from commit 3e13005cac6e076053276b515f5fcf59a3f4b65d)

Signed-off-by: Anton Khirnov <anton@khirnov.net>
libavcodec/mpegaudiodec.c