Very serious memory leak

吴吴

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Sep 3, 2025, 2:07:35 AMSep 3

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如果页面上有注解对象，则使用 FPDF_RenderPageBitmapWithMatrix API 绘制页面时会发生内存泄漏。这种内存泄漏发生在CPDF_AnnotList类构造函数中，并且在销毁过程中内存没有完全释放。

吴吴

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Sep 3, 2025, 2:07:53 AMSep 3

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If there are annotation objects on the page, a memory leak will occur when drawing the page using the FPDF_RenderPageBitmapWithMatrix API. This memory leak occurs in the CPDF_AnnotList class constructor, and the memory is not completely released during destruction.

Lei Zhang

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Sep 3, 2025, 7:06:17 PMSep 3

to 吴吴, pdfium

Thanks for reporting the issue. I believe this is https://crbug.com/42270200.

On Tue, Sep 2, 2025 at 11:07 PM 吴吴 <a1870...@gmail.com> wrote:

如果页面上有注解对象，则使用 FPDF_RenderPageBitmapWithMatrix API 绘制页面时会发生内存泄漏。这种内存泄漏发生在CPDF_AnnotList类构造函数中，并且在销毁过程中内存没有完全释放。

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