Messages in this thread Patch in this message | | | Date | Tue, 28 Feb 2017 16:06:07 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] checkpatch: Add ability to find bad uses of vsprintf %p<foo> extensions |
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On Mon, 27 Feb 2017 12:54:55 -0800 Joe Perches <joe@perches.com> wrote:
> %pK was at least once misused at %pk in an out-of-tree module. > This lead to some security concerns. Add the ability to track > single and multiple line statements for misuses of %p<foo>.
Should we also do this?
--- a/lib/vsprintf.c~checkpatch-add-ability-to-find-bad-uses-of-vsprintf-%pfoo-extensions-fix +++ a/lib/vsprintf.c @@ -1477,6 +1477,9 @@ int kptr_restrict __read_mostly; * by an extra set of alphanumeric characters that are extended format * specifiers. * + * Please update scripts/checkpatch.pl when adding new conversion characters. + * (search for "check for vsprintf extension"). + * * Right now we handle: * * - 'F' For symbolic function descriptor pointers with offset _
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