[PATCH v2] elf: prevent NULL-dereference in _dl_map_new_object()

[Anastasia Belova]

If name = NULL going to no_file leads to NULL-dereference
while calling __strdup(name). Exit the program instead.

Signed-off-by: Anastasia Belova <abelova@astralinux.ru>
---
 elf/dl-load.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/elf/dl-load.c b/elf/dl-load.c
index 00b9da9ec7..b63139dfc3 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -1954,7 +1954,8 @@ _dl_map_new_object (struct link_map *loader, const char *name,
       if (name == NULL)
 	{
 	  fd = -1;
-	  goto no_file;
+	  _dl_signal_error (errno, before, NULL,
+	      N_("auditor declined to load object"));
 	}
       if (before != name && strcmp (before, name) != 0)
 	origname = before;
@@ -2126,9 +2127,6 @@ _dl_map_new_object (struct link_map *loader, const char *name,
 	}
     }
 
-#ifdef SHARED
- no_file:
-#endif
   /* In case the LOADER information has only been provided to get to
      the appropriate RUNPATH/RPATH information we do not need it
      anymore.  */
-- 
2.30.2