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| author |   Xiu Jianfeng <xiujianfeng@huawei.com> | 2021-12-14 19:48:54 +0800 |
|---|---|---|
| committer |   Paul Moore <paul@paul-moore.com> | 2021-12-14 17:39:42 -0500 |
| commit | bc6e60a4fc1daef2d95367fea8ee74fc5b62b7d6 (patch) | |
| tree | 0cfc61274ea2b8a6b19a8862b59fb1b67935d32b /kernel/audit.c | |
| parent | Linux 5.16-rc1 (diff) | |
| download | linux-dev-bc6e60a4fc1daef2d95367fea8ee74fc5b62b7d6.tar.xz linux-dev-bc6e60a4fc1daef2d95367fea8ee74fc5b62b7d6.zip | |
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/audit.c')
| -rw-r--r-- | kernel/audit.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/audit.c b/kernel/audit.c index 121d37e700a6..0117e7d947fd 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -1446,7 +1446,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) if (err) return err; } - sig_data = kmalloc(sizeof(*sig_data) + len, GFP_KERNEL); + sig_data = kmalloc(struct_size(sig_data, ctx, len), GFP_KERNEL); if (!sig_data) { if (audit_sig_sid) security_release_secctx(ctx, len); |