From 85a2beaa811cda7ddfb1f5be133268e364395f0e Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Wed, 6 Aug 2025 13:36:06 +0200
Subject: [PATCH] avcodec/ffv1: Clear state on alloc

Fixes: use of uninitialized memory
Fixes: 428969823/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFV1_DEC_fuzzer-5909681623334912

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>