From fc4f88375b8aa99495a3a774611132a77ca2e11b Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 7 Apr 2017 03:38:12 +0200 Subject: avcodec/wavpack: Fix invalid shift and integer overflow Fixes: 940/clusterfuzz-testcase-5200378381467648 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/wavpack.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libavcodec/wavpack.c') diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index 2bda3599a8..bc4402f638 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -157,7 +157,7 @@ static int wv_get_value(WavpackFrameContext *ctx, GetBitContext *gb, } else { t = get_unary_0_33(gb); if (t >= 2) { - if (get_bits_left(gb) < t - 1) + if (t >= 32 || get_bits_left(gb) < t - 1) goto error; t = get_bits_long(gb, t - 1) | (1 << (t - 1)); } else { -- cgit v1.2.3