Messages in this thread Patch in this message | | | From | Borislav Petkov <> | Subject | [PATCH] x86/mm/ptdump: Make (debugfs)/kernel_page_tables read-only | Date | Mon, 30 Nov 2015 13:12:59 +0100 |
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From: Borislav Petkov <bp@suse.de>
File should be created with S_IRUSR and not with S_IWUSR too because writing to it doesn't make any sense. I mean, we don't have a ->write method anyway but let's have the permissions correct too.
Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Arjan van de Ven <arjan@linux.intel.com> --- arch/x86/mm/debug_pagetables.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/mm/debug_pagetables.c b/arch/x86/mm/debug_pagetables.c index b35ee86a9316..bfcffdf6c577 100644 --- a/arch/x86/mm/debug_pagetables.c +++ b/arch/x86/mm/debug_pagetables.c @@ -26,7 +26,7 @@ static struct dentry *pe; static int __init pt_dump_debug_init(void) { - pe = debugfs_create_file("kernel_page_tables", 0600, NULL, NULL, + pe = debugfs_create_file("kernel_page_tables", S_IRUSR, NULL, NULL, &ptdump_fops); if (!pe) return -ENOMEM; -- 2.3.5
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