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>
Mon, 8 Dec 2014 18:08:30 +0000 (19:08 +0100)
commitd7470271c7ca3f412aac6b29fb4b8f22ad5c0238
treecec7d69362e12f2286edc25adbfff3fed7e04c32
parentd41010b895755384e22fd918487e0c11dbc02f8e
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