[PATCH 2/2] cpukit/libdl: Fix incorrect operator precedence access the name

chrisj at rtems.org chrisj at rtems.org
Mon Aug 28 04:04:21 UTC 2023


From: Chris Johns <chrisj at rtems.org>

Coverity Issue: CID 1442635 Out-of-bounds access
---
 cpukit/libdl/rtl-archive.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cpukit/libdl/rtl-archive.c b/cpukit/libdl/rtl-archive.c
index f916336f7c..4a6d2cbf0b 100644
--- a/cpukit/libdl/rtl-archive.c
+++ b/cpukit/libdl/rtl-archive.c
@@ -1174,6 +1174,7 @@ rtems_rtl_obj_archive_find_obj (int                     fd,
      */
     if (header[0] == '/')
     {
+      const char* name_ = *name;
       off_t extended_off;
 
       switch (header[1])
@@ -1190,7 +1191,7 @@ rtems_rtl_obj_archive_find_obj (int                     fd,
            * return the result.
            */
           *extended_file_names = *ooffset + RTEMS_RTL_AR_FHDR_SIZE;
-          if (*name[0] == '/' && *name[1] == '/')
+          if (name_[0] == '/' && name_[1] == '/')
           {
             *ooffset = *ooffset + RTEMS_RTL_AR_FHDR_SIZE;
             return true;
-- 
2.37.1



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