From: Arvind Sankar <[email protected]> [ Upstream commit 67d631b7c05eff955ccff4139327f0f92a5117e5 ]
This currently leaks kernel physical addresses into userspace. Signed-off-by: Arvind Sankar <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Acked-by: Kees Cook <[email protected]> Acked-by: Dave Hansen <[email protected]> Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Sasha Levin <[email protected]> --- arch/x86/mm/init.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index f00eb52c16a6..17eb564901ca 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -109,8 +109,6 @@ __ref void *alloc_low_pages(unsigned int num) } else { pfn = pgt_buf_end; pgt_buf_end += num; - printk(KERN_DEBUG "BRK [%#010lx, %#010lx] PGTABLE\n", - pfn << PAGE_SHIFT, (pgt_buf_end << PAGE_SHIFT) - 1); } for (i = 0; i < num; i++) { -- 2.25.1
