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GNU C Library master sources branch master updated. glibc-2.16-ports-merge-210-gd9195db
- From: gary at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 17 Aug 2012 10:47:24 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.16-ports-merge-210-gd9195db
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- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=d9195db871b11e139050dfa00e333ca8b2f7a677
commit d9195db871b11e139050dfa00e333ca8b2f7a677
Author: Gary Benson <gbenson@redhat.com>
Date: Fri Aug 17 11:44:37 2012 +0100
Also set r->r_map when unmapping the first object in a namespace.
When unmapping the first object in a namespace, the runtime linker
did not update the externally visible pointer. This resulted in
debuggers seeing pointers to memory that had been freed.
diff --git a/ChangeLog b/ChangeLog
index 6cb87f2..ba4ea36 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-08-16 Gary Benson <gbenson@redhat.com>
+
+ * elf/dl-close.c (_dl_close_worker): Also set r->r_map when
+ unmapping the first object in a namespace.
+
2012-08-16 Roland McGrath <roland@hack.frob.com>
* inet/getnetgrent_r.c (internal_setnetgrent): Renamed to ...
diff --git a/elf/dl-close.c b/elf/dl-close.c
index 45b2187..216bd81 100644
--- a/elf/dl-close.c
+++ b/elf/dl-close.c
@@ -641,7 +641,7 @@ _dl_close_worker (struct link_map *map)
#ifdef SHARED
assert (nsid != LM_ID_BASE);
#endif
- ns->_ns_loaded = imap->l_next;
+ r->r_map = ns->_ns_loaded = imap->l_next;
}
--ns->_ns_nloaded;
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
elf/dl-close.c | 2 +-
2 files changed, 6 insertions(+), 1 deletions(-)
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