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efi_loader: LoadImage() check source size
If the size of the source buffer is 0, return EFI_LOAD_ERROR. (UEFI SCT II 2017: 3.4.1 LoadImage() - 5.1.4.1.6) Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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@ -1781,6 +1781,10 @@ efi_status_t EFIAPI efi_load_image(bool boot_policy,
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if (ret != EFI_SUCCESS)
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goto error;
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} else {
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if (!source_size) {
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ret = EFI_LOAD_ERROR;
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goto error;
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}
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dest_buffer = source_buffer;
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}
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/* split file_path which contains both the device and file parts */
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