x86/mm: Stop printing BRK addresses
authorArvind Sankar <nivedita@alum.mit.edu>
Sat, 29 Feb 2020 23:11:20 +0000 (18:11 -0500)
committerBorislav Petkov <bp@suse.de>
Sat, 23 May 2020 07:34:18 +0000 (09:34 +0200)
commit67d631b7c05eff955ccff4139327f0f92a5117e5
treed83216194f6933f99eba329924f2966d82b20e9a
parent0e5e3d4461a22d739fb2284a6e313fb6cecf2871
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
arch/x86/mm/init.c