From 49062a90174b6e4104876c0257dc673a0da854ca Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 21 Feb 2018 04:29:44 +0100 Subject: [PATCH] avcodec/exr: fix invalid shift in unpack_14() Fixes: 6154/clusterfuzz-testcase-minimized-5762231061970944 Fixes: runtime error: shift exponent 63 is too large for 32-bit type 'int' Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/exr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/exr.c b/libavcodec/exr.c index 444af17778..5253cc3f13 100644 --- a/libavcodec/exr.c +++ b/libavcodec/exr.c @@ -899,7 +899,7 @@ static int pxr24_uncompress(EXRContext *s, const uint8_t *src, static void unpack_14(const uint8_t b[14], uint16_t s[16]) { - unsigned short shift = (b[ 2] >> 2); + unsigned short shift = (b[ 2] >> 2) & 15; unsigned short bias = (0x20 << shift); int i;