about summary refs log tree commit diff
path: root/NEWS
diff options
context:
space:
mode:
authorMaxim Ostapenko <m.ostapenko@partner.samsung.com>2015-08-10 10:47:54 +0300
committerAndreas Schwab <schwab@suse.de>2015-08-11 10:13:22 +0200
commitf25238ffe0455013174438376b3ee88df496f9d1 (patch)
tree6cd3e27f694193ddc4f45258d09f1f4fb9f17801 /NEWS
parentdc8a7ff24dfd1fd97a50b4b83a715958b31e4b92 (diff)
downloadglibc-f25238ffe0455013174438376b3ee88df496f9d1.tar.gz
glibc-f25238ffe0455013174438376b3ee88df496f9d1.tar.xz
glibc-f25238ffe0455013174438376b3ee88df496f9d1.zip
Clear DF_1_NODELETE flag only for failed to load library.
https://sourceware.org/bugzilla/show_bug.cgi?id=18778

If dlopen fails to load an object that has triggered loading libpthread it
causes ld.so to unload libpthread because its DF_1_NODELETE flags has been
forcefully cleared. The next call to __rtdl_unlock_lock_recursive will crash
since pthread_mutex_unlock no longer exists.

This patch moves l->l_flags_1 &= ~DF_1_NODELETE out of loop through all loaded
libraries and performs the action only on inconsistent one.

	[BZ #18778]
	* elf/Makefile (tests): Add Add tst-nodelete2.
	(modules-names): Add tst-nodelete2mod.
	(tst-nodelete2mod.so-no-z-defs): New.
	($(objpfx)tst-nodelete2): Likewise.
	($(objpfx)tst-nodelete2.out): Likewise.
	(LDFLAGS-tst-nodelete2): Likewise.
	* elf/dl-close.c (_dl_close_worker): Move DF_1_NODELETE clearing
	out of loop through all loaded libraries.
	* elf/tst-nodelete2.c: New file.
	* elf/tst-nodelete2mod.c: Likewise.
Diffstat (limited to 'NEWS')
-rw-r--r--NEWS2
1 files changed, 1 insertions, 1 deletions
diff --git a/NEWS b/NEWS
index b73fb72e2a..1b11ce73d3 100644
--- a/NEWS
+++ b/NEWS
@@ -10,7 +10,7 @@ Version 2.23
 * The following bugs are resolved with this release:
 
   16517, 16519, 17905, 18265, 18480, 18525, 18618, 18647, 18661, 18674,
-  18781, 18787, 18789, 18790.
+  18778, 18781, 18787, 18789, 18790.
 
 Version 2.22