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authorXiu Jianfeng <xiujianfeng@huawei.com>2021-12-14 19:48:54 +0800
committerPaul Moore <paul@paul-moore.com>2021-12-14 17:39:42 -0500
commitbc6e60a4fc1daef2d95367fea8ee74fc5b62b7d6 (patch)
tree0cfc61274ea2b8a6b19a8862b59fb1b67935d32b /kernel/auditfilter.c
parentfa55b7dcdc43c1aa1ba12bca9d2dd4318c2a0dbf (diff)
audit: use struct_size() helper in kmalloc()
Make use of struct_size() helper instead of an open-coded calucation. Link: https://github.com/KSPP/linux/issues/160 Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Paul Moore <paul@paul-moore.com>
Diffstat (limited to 'kernel/auditfilter.c')
-rw-r--r--kernel/auditfilter.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index d75acb014ccd..398b4c57e921 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -637,7 +637,7 @@ static struct audit_rule_data *audit_krule_to_data(struct audit_krule *krule)
void *bufp;
int i;
- data = kmalloc(sizeof(*data) + krule->buflen, GFP_KERNEL);
+ data = kmalloc(struct_size(data, buf, krule->buflen), GFP_KERNEL);
if (unlikely(!data))
return NULL;
memset(data, 0, sizeof(*data));