avcodec/pngdec: Check IHDR/IDAT order
authorMichael Niedermayer <michaelni@gmx.at>
Wed, 26 Nov 2014 14:45:47 +0000 (15:45 +0100)
committerMichael Niedermayer <michaelni@gmx.at>
Sun, 30 Nov 2014 20:40:36 +0000 (21:40 +0100)
commitf2595a6c38eeed80cd228c5db142873c95f6b4d3
treeb7b1fc7f15104a462ff3de29028fc38c48868b7e
parenta654f483cd64aa739da5dfaa1b4ca0acb9f478f7
avcodec/pngdec: Check IHDR/IDAT order

Fixes out of array access
Fixes: asan_heap-oob_20a6c26_2690_cov_3434532168_mail.png
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 79ceaf827be0b070675d4cd0a55c3386542defd8)

Conflicts:

libavcodec/pngdec.c
libavcodec/pngdec.c