audit: log 32-bit socketcalls
32-bit socketcalls were not being logged by audit on x86_64 systems.
Log them. This is basically a duplicate of the call from
net/socket.c:sys_socketcall(), but it addresses the impedance mismatch
between 32-bit userspace process and 64-bit kernel audit.
See: https://github.com/linux-audit/audit-kernel/issues/14
Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Moore <paul@paul-moore.com>
diff --git a/include/linux/audit.h b/include/linux/audit.h
index 9d4443f..2be99b2 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -387,6 +387,20 @@
return __audit_socketcall(nargs, args);
return 0;
}
+
+static inline int audit_socketcall_compat(int nargs, u32 *args)
+{
+ unsigned long a[AUDITSC_ARGS];
+ int i;
+
+ if (audit_dummy_context())
+ return 0;
+
+ for (i = 0; i < nargs; i++)
+ a[i] = (unsigned long)args[i];
+ return __audit_socketcall(nargs, a);
+}
+
static inline int audit_sockaddr(int len, void *addr)
{
if (unlikely(!audit_dummy_context()))
@@ -513,6 +527,12 @@
{
return 0;
}
+
+static inline int audit_socketcall_compat(int nargs, u32 *args)
+{
+ return 0;
+}
+
static inline void audit_fd_pair(int fd1, int fd2)
{ }
static inline int audit_sockaddr(int len, void *addr)