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-rw-r--r--elf/rtld.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/elf/rtld.c b/elf/rtld.c
index 174954bf3b..9eb9289ead 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -1076,6 +1076,14 @@ of this helper program; chances are you did not intend to run this program.\n\
       /* Now the map for the main executable is available.  */
       main_map = GL(dl_ns)[LM_ID_BASE]._ns_loaded;
 
+      if (GL(dl_rtld_map).l_info[DT_SONAME] != NULL
+	  && main_map->l_info[DT_SONAME] != NULL
+	  && strcmp ((const char *) D_PTR (&GL(dl_rtld_map), l_info[DT_STRTAB])
+		     + GL(dl_rtld_map).l_info[DT_SONAME]->d_un.d_val,
+		     (const char *) D_PTR (main_map, l_info[DT_STRTAB])
+		     + main_map->l_info[DT_SONAME]->d_un.d_val) == 0)
+	_dl_fatal_printf ("loader cannot load itself\n");
+
       phdr = main_map->l_phdr;
       phnum = main_map->l_phnum;
       /* We overwrite here a pointer to a malloc()ed string.  But since