3.11-stable review patch. If anyone has any objections, please let me know.
------------------ From: Colin Ian King <colin.k...@canonical.com> commit 43b7c6c6a4e3916edd186ceb61be0c67d1e0969e upstream. Shifting page->index on 32 bit systems was overflowing, causing data corruption of > 4GB files. Fix this by casting it first. https://launchpad.net/bugs/1243636 Signed-off-by: Colin Ian King <colin.k...@canonical.com> Reported-by: Lars Duesing <lars.dues...@camelotsweb.de> Signed-off-by: Tyler Hicks <tyhi...@canonical.com> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- fs/ecryptfs/crypto.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/ecryptfs/crypto.c +++ b/fs/ecryptfs/crypto.c @@ -408,7 +408,7 @@ static loff_t lower_offset_for_page(stru struct page *page) { return ecryptfs_lower_header_size(crypt_stat) + - (page->index << PAGE_CACHE_SHIFT); + ((loff_t)page->index << PAGE_CACHE_SHIFT); } /** -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
