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Fix buffer overflow in Gstreamer log function (#382)
vsprintf() is dangerous, and can overflow easily, especially with small buffers like the 100 byte one that was being used. This changes the buffer size to a more sane 4KiB, and uses vsnprintf() to automatically concatenate a large log message instead of overflowing and crashing.
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db6f9c957e
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@ -3,8 +3,8 @@
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static void gstreamer_pipeline_log(GstPipelineCtx *ctx, char* level, const char* format, ...) {
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static void gstreamer_pipeline_log(GstPipelineCtx *ctx, char* level, const char* format, ...) {
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va_list argptr;
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va_list argptr;
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va_start(argptr, format);
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va_start(argptr, format);
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char buffer[100];
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char buffer[4096];
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vsprintf(buffer, format, argptr);
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vsnprintf(buffer, sizeof(buffer), format, argptr);
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va_end(argptr);
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va_end(argptr);
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goPipelineLog(level, buffer, ctx->pipelineId);
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goPipelineLog(level, buffer, ctx->pipelineId);
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}
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}
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