This patch add swsusp_page_is_sign_key() method to hibernate_key.c and check the page is S4 sign key data when collect saveable page in snapshot.c to avoid sign key data included in snapshot image. Reviewed-by: Jiri Kosina <jkosina@xxxxxxx> Signed-off-by: Lee, Chun-Yi <jlee@xxxxxxxx> --- kernel/power/snapshot.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index 72e2911..9e4c94b 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -860,6 +860,9 @@ static struct page *saveable_highmem_page(struct zone *zone, unsigned long pfn) BUG_ON(!PageHighMem(page)); + if (swsusp_page_is_sign_key(page)) + return NULL; + if (swsusp_page_is_forbidden(page) || swsusp_page_is_free(page) || PageReserved(page)) return NULL; @@ -922,6 +925,9 @@ static struct page *saveable_page(struct zone *zone, unsigned long pfn) BUG_ON(PageHighMem(page)); + if (swsusp_page_is_sign_key(page)) + return NULL; + if (swsusp_page_is_forbidden(page) || swsusp_page_is_free(page)) return NULL; -- 1.6.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
