cleanup(libsinsp): fix misaligned access to cmsghdr

Signed-off-by: Luca Guerra <[email protected]>
falcosecurity · Feb 22, 2024 · ff0ea6d · ff0ea6d
1 parent aad5f2a
commit ff0ea6d
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/userspace/libsinsp/parsers.cpp b/userspace/libsinsp/parsers.cpp
@@ -4151,8 +4151,9 @@ void sinsp_parser::parse_rw_exit(sinsp_evt *evt)
 				parinfo = evt->get_param(4);
 				if(parinfo->m_len > sizeof(cmsghdr))
 				{
-					cmsghdr *cmsg = (cmsghdr *)parinfo->m_val;
-					if(cmsg->cmsg_type == SCM_RIGHTS)
+					cmsghdr cmsg;
+					memcpy(&cmsg, parinfo->m_val, sizeof(cmsghdr));
+					if(cmsg.cmsg_type == SCM_RIGHTS)
 					{
 						char error[SCAP_LASTERR_SIZE];
 						scap_threadinfo scap_tinfo {};