diff options
| author | Kees Cook <kees@kernel.org> | 2026-02-20 23:49:23 -0800 |
|---|---|---|
| committer | Kees Cook <kees@kernel.org> | 2026-02-21 01:02:28 -0800 |
| commit | 69050f8d6d075dc01af7a5f2f550a8067510366f (patch) | |
| tree | bb265f94d9dfa7876c06a5d9f88673d496a15341 /kernel/audit.c | |
| parent | d39a1d7486d98668dd34aaa6732aad7977c45f5a (diff) | |
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
This is the result of running the Coccinelle script from
scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to
avoid scalar types (which need careful case-by-case checking), and
instead replace kmalloc-family calls that allocate struct or union
object instances:
Single allocations: kmalloc(sizeof(TYPE), ...)
are replaced with: kmalloc_obj(TYPE, ...)
Array allocations: kmalloc_array(COUNT, sizeof(TYPE), ...)
are replaced with: kmalloc_objs(TYPE, COUNT, ...)
Flex array allocations: kmalloc(struct_size(PTR, FAM, COUNT), ...)
are replaced with: kmalloc_flex(*PTR, FAM, COUNT, ...)
(where TYPE may also be *VAR)
The resulting allocations no longer return "void *", instead returning
"TYPE *".
Signed-off-by: Kees Cook <kees@kernel.org>
Diffstat (limited to 'kernel/audit.c')
| -rw-r--r-- | kernel/audit.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/kernel/audit.c b/kernel/audit.c index 592d927e70f9..838ca1648f7b 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -545,7 +545,7 @@ static int auditd_set(struct pid *pid, u32 portid, struct net *net, if (!pid || !net) return -EINVAL; - ac_new = kzalloc(sizeof(*ac_new), GFP_KERNEL); + ac_new = kzalloc_obj(*ac_new, GFP_KERNEL); if (!ac_new) return -ENOMEM; ac_new->pid = get_pid(pid); @@ -1044,7 +1044,7 @@ static void audit_send_reply(struct sk_buff *request_skb, int seq, int type, int struct task_struct *tsk; struct audit_reply *reply; - reply = kzalloc(sizeof(*reply), GFP_KERNEL); + reply = kzalloc_obj(*reply, GFP_KERNEL); if (!reply) return; @@ -1517,8 +1517,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh, if (err < 0) return err; } - sig_data = kmalloc(struct_size(sig_data, ctx, lsmctx.len), - GFP_KERNEL); + sig_data = kmalloc_flex(*sig_data, ctx, lsmctx.len, GFP_KERNEL); if (!sig_data) { if (lsmprop_is_set(&audit_sig_lsm)) security_release_secctx(&lsmctx); |