Re: [PATCH 2/5] slab: Add __alloc_size attributes for better bounds checking
From: Matthew Wilcox <willy@infradead.org>
Date: 2021-08-19 00:29:16
Also in:
linux-hardening, linux-kbuild, lkml
On Tue, Aug 17, 2021 at 10:31:32PM -0700, Joe Perches wrote:
quoted hunk ↗ jump to hunk
Lastly __alloc_size should probably be added to checkpatch Maybe: --- scripts/checkpatch.pl | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 161ce7fe5d1e5..1a166b5cf3447 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl@@ -489,7 +489,8 @@ our $Attribute = qr{ ____cacheline_aligned| ____cacheline_aligned_in_smp| ____cacheline_internodealigned_in_smp| - __weak + __weak| + __alloc_size\s*\(\s*\d+\s*(?:,\s*d+\s*){0,5}\)
Should probably be added to kernel-doc as well. Any other awful regexes that need to be changed to understand it? And can we commonise the regexes that do exist into a perl helper library?