[PATCH] mm: use %pK for /proc/vmallocinfo

[Kees Cook]

In the paranoid case of sysctl kernel.kptr_restrict=2, mask the kernel
virtual addresses in /proc/vmallocinfo too.

Reported-by: Brad Spengler <spender@xxxxxxxxxxxxxx>
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
 mm/vmalloc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 2bb90b1..9c871db 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2572,7 +2572,7 @@ static int s_show(struct seq_file *m, void *p)
 {
 	struct vm_struct *v = p;
 
-	seq_printf(m, "0x%p-0x%p %7ld",
+	seq_printf(m, "0x%pK-0x%pK %7ld",
 		v->addr, v->addr + v->size, v->size);
 
 	if (v->caller)
-- 
1.7.9.5


-- 
Kees Cook
Chrome OS Security
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