diff options
| author | Arvind Sankar <nivedita@alum.mit.edu> | 2020-02-29 18:11:20 -0500 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2020-05-23 09:34:18 +0200 |
| commit | 67d631b7c05eff955ccff4139327f0f92a5117e5 (patch) | |
| tree | d83216194f6933f99eba329924f2966d82b20e9a /arch/x86/mm | |
| parent | 0e5e3d4461a22d739fb2284a6e313fb6cecf2871 (diff) | |
x86/mm: Stop printing BRK addresses
This currently leaks kernel physical addresses into userspace.
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Dave Hansen <dave.hansen@intel.com>
Link: https://lkml.kernel.org/r/20200229231120.1147527-1-nivedita@alum.mit.edu
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/init.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 1bba16c5742b..a573a3e63f02 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -121,8 +121,6 @@ __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++) { |