[Webkit-unassigned] [Bug 256330] New: Regression: Unexpected error when decompressing data with DecompressionStream

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=256330

            Bug ID: 256330
           Summary: Regression: Unexpected error when decompressing data
                    with DecompressionStream
           Product: WebKit
           Version: Safari 16
          Hardware: Unspecified
                OS: macOS 13
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: gildas.lormeau at gmail.com

I'm the author of zip.js, see https://github.com/gildas-lormeau/zip.js/. A user has reported a bug that is specific to Safari. This bug is a regression introduced in the version 16.4. An unexpected error "TypeError: Extra bytes past the end" is thrown when unzipping a file. When disabling the usage of the `DecompressionStream` API in zip.js (via the option `useCompressionStream`), the bug disappears.

Unfortunately, I cannot provide this zip file. You can find more information here: https://github.com/gildas-lormeau/zip.js/issues/412

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