Use >= to compare.

JimBobSquarePants · JimBobSquarePants · commit 8adcabec6ebe · 2024-07-15T20:11:52.000+10:00
diff --git a/src/ImageSharp/Formats/Png/PngDecoderCore.cs b/src/ImageSharp/Formats/Png/PngDecoderCore.cs
@@ -208,7 +208,7 @@ public Image<TPixel> Decode<TPixel>(BufferedReadStream stream, CancellationToken
                             currentFrameControl = this.ReadFrameControlChunk(chunk.Data.GetSpan());
                             break;
                         case PngChunkType.FrameData:
-                            if (frameCount == this.maxFrames)
+                            if (frameCount >= this.maxFrames)
                             {
                                 goto EOF;
                             }
@@ -266,7 +266,7 @@ public Image<TPixel> Decode<TPixel>(BufferedReadStream stream, CancellationToken
                                 previousFrameControl = currentFrameControl;
                             }
 
-                            if (frameCount == this.maxFrames)
+                            if (frameCount >= this.maxFrames)
                             {
                                 goto EOF;
                             }
@@ -389,15 +389,15 @@ public ImageInfo Identify(BufferedReadStream stream, CancellationToken cancellat
                             break;
                         case PngChunkType.FrameControl:
                             ++frameCount;
-                            if (frameCount == this.maxFrames)
+                            if (frameCount >= this.maxFrames)
                             {
                                 break;
                             }
 
                             lastFrameControl = this.ReadFrameControlChunk(chunk.Data.GetSpan());
                             break;
                         case PngChunkType.FrameData:
-                            if (frameCount == this.maxFrames)
+                            if (frameCount >= this.maxFrames)
                             {
                                 break;
                             }

Original file line number	Diff line number	Diff line change
`@@ -208,7 +208,7 @@ public Image<TPixel> Decode<TPixel>(BufferedReadStream stream, CancellationToken`
`208`	`208`	`currentFrameControl = this.ReadFrameControlChunk(chunk.Data.GetSpan());`
`209`	`209`	`break;`
`210`	`210`	`case PngChunkType.FrameData:`
`211`		`- if (frameCount == this.maxFrames)`
	`211`	`+ if (frameCount >= this.maxFrames)`
`212`	`212`	`{`
`213`	`213`	`goto EOF;`
`214`	`214`	`}`
`@@ -266,7 +266,7 @@ public Image<TPixel> Decode<TPixel>(BufferedReadStream stream, CancellationToken`
`266`	`266`	`previousFrameControl = currentFrameControl;`
`267`	`267`	`}`
`268`	`268`
`269`		`- if (frameCount == this.maxFrames)`
	`269`	`+ if (frameCount >= this.maxFrames)`
`270`	`270`	`{`
`271`	`271`	`goto EOF;`
`272`	`272`	`}`
`@@ -389,15 +389,15 @@ public ImageInfo Identify(BufferedReadStream stream, CancellationToken cancellat`
`389`	`389`	`break;`
`390`	`390`	`case PngChunkType.FrameControl:`
`391`	`391`	`++frameCount;`
`392`		`- if (frameCount == this.maxFrames)`
	`392`	`+ if (frameCount >= this.maxFrames)`
`393`	`393`	`{`
`394`	`394`	`break;`
`395`	`395`	`}`
`396`	`396`
`397`	`397`	`lastFrameControl = this.ReadFrameControlChunk(chunk.Data.GetSpan());`
`398`	`398`	`break;`
`399`	`399`	`case PngChunkType.FrameData:`
`400`		`- if (frameCount == this.maxFrames)`
	`400`	`+ if (frameCount >= this.maxFrames)`
`401`	`401`	`{`
`402`	`402`	`break;`
`403`	`403`	`}`