On 2/3/2025 11:58 PM, Michael Niedermayer wrote:
Fixes: negation of -2147483648 cannot be represented in type 'int32_t' (aka 'int'); cast to an unsigned type to negate this value to itself Fixes: 390646659/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OSQ_fuzzer-5040277374435328Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/osq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/osq.c b/libavcodec/osq.c index 83b4a9d618d..5c7826778dc 100644 --- a/libavcodec/osq.c +++ b/libavcodec/osq.c @@ -190,7 +190,7 @@ static uint32_t get_urice(GetBitContext *gb, int k)static int32_t get_srice(GetBitContext *gb, int x){ - int32_t y = get_urice(gb, x); + uint32_t y = get_urice(gb, x); return get_bits1(gb) ? -y : y;
Does -y here work as intended now that y is unsigned?
}
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