From: Andrew Morton <akpm@linux-foundation.org>
To: akpm@linux-foundation.org, danielmicay@gmail.com,
keescook@chromium.org, levente@leventepolyak.net,
linux-mm@kvack.org, mm-commits@vger.kernel.org,
thibaut.sautereau@ssi.gouv.fr, torvalds@linux-foundation.org
Subject: [patch 7/9] mm/page_alloc: fix __alloc_size attribute for alloc_pages_exact_nid
Date: Fri, 24 Dec 2021 21:12:51 -0800 [thread overview]
Message-ID: <20211225051251.h8Du-oj8Q%akpm@linux-foundation.org> (raw)
In-Reply-To: <20211224211127.30b60764d059ff3b0afea38a@linux-foundation.org>
From: Thibaut Sautereau <thibaut.sautereau@ssi.gouv.fr>
Subject: mm/page_alloc: fix __alloc_size attribute for alloc_pages_exact_nid
The second parameter of alloc_pages_exact_nid is the one indicating the
size of memory pointed by the returned pointer.
Link: https://lkml.kernel.org/r/YbjEgwhn4bGblp//@coeus
Fixes: abd58f38dfb4 ("mm/page_alloc: add __alloc_size attributes for better bounds checking")
Signed-off-by: Thibaut Sautereau <thibaut.sautereau@ssi.gouv.fr>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: Daniel Micay <danielmicay@gmail.com>
Cc: Levente Polyak <levente@leventepolyak.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/linux/gfp.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/include/linux/gfp.h~mm-page_alloc-fix-__alloc_size-attribute-for-alloc_pages_exact_nid
+++ a/include/linux/gfp.h
@@ -624,7 +624,7 @@ extern unsigned long get_zeroed_page(gfp
void *alloc_pages_exact(size_t size, gfp_t gfp_mask) __alloc_size(1);
void free_pages_exact(void *virt, size_t size);
-__meminit void *alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask) __alloc_size(1);
+__meminit void *alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask) __alloc_size(2);
#define __get_free_page(gfp_mask) \
__get_free_pages((gfp_mask), 0)
_
next prev parent reply other threads:[~2021-12-25 5:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-25 5:11 incoming Andrew Morton
2021-12-25 5:12 ` [patch 1/9] kfence: fix memory leak when cat kfence objects Andrew Morton
2021-12-25 5:12 ` [patch 2/9] mm: mempolicy: fix THP allocations escaping mempolicy restrictions Andrew Morton
2021-12-25 5:12 ` [patch 3/9] kernel/crash_core: suppress unknown crashkernel parameter warning Andrew Morton
2021-12-25 5:12 ` [patch 4/9] MAINTAINERS: mark more list instances as moderated Andrew Morton
2021-12-25 5:12 ` [patch 5/9] mm, hwpoison: fix condition in free hugetlb page path Andrew Morton
2021-12-25 5:12 ` [patch 6/9] mm: delete unsafe BUG from page_cache_add_speculative() Andrew Morton
2021-12-25 5:12 ` Andrew Morton [this message]
2021-12-25 5:12 ` [patch 8/9] mm/damon/dbgfs: protect targets destructions with kdamond_lock Andrew Morton
2021-12-25 5:12 ` [patch 9/9] mm/hwpoison: clear MF_COUNT_INCREASED before retrying get_any_page() Andrew Morton
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