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-rw-r--r--kernel/auditsc.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index b59ffb293ded..d57ad32db367 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -226,7 +226,7 @@ struct audit_context {
union {
struct {
int nargs;
- long args[6];
+ long args[AUDITSC_ARGS];
} socketcall;
struct {
kuid_t uid;
@@ -2491,17 +2491,20 @@ int __audit_bprm(struct linux_binprm *bprm)
/**
* audit_socketcall - record audit data for sys_socketcall
- * @nargs: number of args
+ * @nargs: number of args, which should not be more than AUDITSC_ARGS.
* @args: args array
*
*/
-void __audit_socketcall(int nargs, unsigned long *args)
+int __audit_socketcall(int nargs, unsigned long *args)
{
struct audit_context *context = current->audit_context;
+ if (nargs <= 0 || nargs > AUDITSC_ARGS || !args)
+ return -EINVAL;
context->type = AUDIT_SOCKETCALL;
context->socketcall.nargs = nargs;
memcpy(context->socketcall.args, args, nargs * sizeof(unsigned long));
+ return 0;
}
/**