From fb2a2b949c4a40f0897433881c4490bd78726132 Mon Sep 17 00:00:00 2001
From: Mattias Wadman <mattias.wadman@gmail.com>
Date: Tue, 18 Oct 2022 13:40:25 +0200
Subject: [PATCH] flac,fuzz: Fatal error on negative partition sample count

---
 format/flac/flac_frame.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/format/flac/flac_frame.go b/format/flac/flac_frame.go
index fc380bd9..afe10dc9 100644
--- a/format/flac/flac_frame.go
+++ b/format/flac/flac_frame.go
@@ -452,6 +452,9 @@ func frameDecode(d *decode.D, in any) any {
 								if samplesLen < n+count {
 									d.Fatalf("decodeResiduals outside block size")
 								}
+								if count < 0 {
+									d.Fatalf("negative sample count %d", count)
+								}
 
 								if riceParameter == riceEscape {
 									escapeSampleSize := int(d.FieldU5("escape_sample_size"))