You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
28 lines
842 B
28 lines
842 B
9 months ago
|
commit 5177d85b0c050a2333a0c4165c938dd422013d05
|
||
|
|
Author: H.J. Lu <hjl.tools@gmail.com>
|
||
|
|
Date: Thu Jan 16 06:45:36 2020 -0800
|
||
|
|
|
||
|
|
Clear GL(dl_initfirst) when freeing its link_map memory [BZ# 25396]
|
||
|
|
|
||
|
|
We should clear GL(dl_initfirst) when freeing its link_map memory.
|
||
|
|
|
||
|
|
Tested on Fedora 31/x86-64 with CET.
|
||
|
|
|
||
|
|
Reviewed-by: Florian Weimer <fweimer@redhat.com>
|
||
|
|
|
||
|
|
diff --git a/elf/dl-close.c b/elf/dl-close.c
|
||
|
|
index fa7f3e8174576e46..a9ecdff62dba88fb 100644
|
||
|
|
--- a/elf/dl-close.c
|
||
|
|
+++ b/elf/dl-close.c
|
||
|
|
@@ -749,6 +749,10 @@ _dl_close_worker (struct link_map *map, bool force)
|
||
|
|
if (imap->l_runpath_dirs.dirs != (void *) -1)
|
||
|
|
free (imap->l_runpath_dirs.dirs);
|
||
|
|
|
||
|
|
+ /* Clear GL(dl_initfirst) when freeing its link_map memory. */
|
||
|
|
+ if (imap == GL(dl_initfirst))
|
||
|
|
+ GL(dl_initfirst) = NULL;
|
||
|
|
+
|
||
|
|
free (imap);
|
||
|
|
}
|
||
|
|
}
|