From 7761b8fbacd3bfffdc56459b49458c32c85d7140 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Thu, 12 Feb 2026 23:54:42 +0100
Subject: [PATCH] avcodec/imm5: Dont pass EAGAIN on as is

Fixes: Assertion consumed != (-(11)) failed at libavcodec/decode.c:465
Fixes: 471587358/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IMM5_fuzzer-4737412376100864

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavcodec/imm5.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/imm5.c b/libavcodec/imm5.c
index 7bb77b5e7a..b1cda453c9 100644
--- a/libavcodec/imm5.c
+++ b/libavcodec/imm5.c
@@ -136,6 +136,8 @@ static int imm5_decode_frame(AVCodecContext *avctx, AVFrame *frame,
     }
 
     ret = avcodec_receive_frame(codec_avctx, frame);
+    if (ret == AVERROR(EAGAIN))
+        return avpkt->size;
     if (ret < 0)
         return ret;