Messages in this thread Patch in this message | | | From | Arvind Sankar <> | Subject | [PATCH] x86/mm/init: Stop printing pgt_buf addresses | Date | Sat, 29 Feb 2020 18:11:20 -0500 |
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This currently leaks kernel physical addresses into userspace.
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu> --- 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 e7bb483557c9..dc4711f09cdc 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++) { -- 2.24.1
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