Commit 1158db35 authored Mar 08, 2018 by Jaegeuk Kim Committed by Neeraj Soni Aug 16, 2018

security: pfk: use page_mapping to avoid wrong memory access



This patch fixes potentially wrong memory access when doing ICE operations.

Change-Id: I4893d106877f6313bbcd2218d7c4ad12f63a0cbe
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
Signed-off-by: Neeraj Soni <neersoni@codeaurora.org>

parent 84680317

security/pfe/pfk.c

+1 −5

Original line number	Diff line number	Diff line
		@@ -220,11 +220,7 @@ static struct inode pfk_bio_get_inode(const struct bio bio)
		if (!page_mapping(bio->bi_io_vec->bv_page))
		return NULL;

		if (!bio->bi_io_vec->bv_page->mapping->host)

		return NULL;

		return bio->bi_io_vec->bv_page->mapping->host;
		return page_mapping(bio->bi_io_vec->bv_page)->host;
		}

		/**