Messages in this thread Patch in this message | | | Date | Tue, 2 Oct 2012 16:49:34 -0700 | From | Kees Cook <> | Subject | [PATCH] mm: use %pK for /proc/vmallocinfo |
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In the paranoid case of sysctl kernel.kptr_restrict=2, mask the kernel virtual addresses in /proc/vmallocinfo too.
Reported-by: Brad Spengler <spender@grsecurity.net> Signed-off-by: Kees Cook <keescook@chromium.org> --- 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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