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hw/core/loader: Use ssize_t for efi zboot unpacker

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Convert to use sszie_t to represent size internally to avoid
large image overflowing the size.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
This commit is contained in:
Jiaxun Yang 2025-01-02 22:47:21 +00:00 • committed by Bibo Mao
parent 3f8bcbba3b
commit e3526d0fd7
3 changed files with 4 additions and 4 deletions
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4
hw/core/loader.c
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@ -886,11 +886,11 @@ struct linux_efi_zboot_header {
*
* If the image is not a Linux EFI zboot image, do nothing and return success.
*/
ssize_t unpack_efi_zboot_image(uint8_t **buffer, int *size)
ssize_t unpack_efi_zboot_image(uint8_t **buffer, ssize_t *size)
{
const struct linux_efi_zboot_header *header;
uint8_t *data = NULL;
int ploff, plsize;
ssize_t ploff, plsize;
ssize_t bytes;
/* ignore if this is too small to be a EFI zboot image */