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authorFlorian Weimer <fweimer@redhat.com>2023-08-22 13:56:25 +0200
committerFlorian Weimer <fweimer@redhat.com>2023-09-11 09:30:44 +0200
commit3d24d1903d6a57f4dc91e7aa834799146125c3d9 (patch)
treee691bbdae79c279bcc7b4e294c6e4f079c64c331
parentbe26b29262bbae080acb8bb16855df6ac4c57c98 (diff)
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elf: Do not run constructors for proxy objects
Otherwise, the ld.so constructor runs for each audit namespace
and each dlmopen namespace.

(cherry picked from commit f6c8204fd7fabf0cf4162eaf10ccf23258e4d10e)
-rw-r--r--elf/dl-init.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/elf/dl-init.c b/elf/dl-init.c
index 5b0732590f..ba4d2fdc85 100644
--- a/elf/dl-init.c
+++ b/elf/dl-init.c
@@ -25,10 +25,14 @@
 static void
 call_init (struct link_map *l, int argc, char **argv, char **env)
 {
+  /* Do not run constructors for proxy objects.  */
+  if (l != l->l_real)
+    return;
+
   /* If the object has not been relocated, this is a bug.  The
      function pointers are invalid in this case.  (Executables do not
-     need relocation, and neither do proxy objects.)  */
-  assert (l->l_real->l_relocated || l->l_real->l_type == lt_executable);
+     need relocation.)  */
+  assert (l->l_relocated || l->l_type == lt_executable);
 
   if (l->l_init_called)
     /* This object is all done.  */