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BZ #12310: pthread_exit in static app. segfaults 

Static applications that call pthread_exit on the main
thread segfault. This is because after a thread terminates
__libc_start_main decrements __nptl_nthreads which is only
defined in pthread_create. Therefore the right solution is
to add a requirement to pthread_create from pthread_exit.

~~~
nptl/

2013-06-24  Vladimir Nikulichev  <v.nikulichev@gmail.com>

	[BZ #12310]
	* pthread_exit.c: Add reference to pthread_create.
This commit is contained in:
Vladimir Nikulichev 2013-06-24 17:08:07 -04:00 committed by Carlos O'Donell
parent 2f063a6e84
commit e1f0b2cfa1
3 changed files with 21 additions and 12 deletions
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24
NEWS
View File

@ -10,18 +10,18 @@ Version 2.18
* The following bugs are resolved with this release:
2546, 2560, 5159, 6809, 7006, 10060, 10062, 10357, 10686, 11120, 11561,
12387, 12515, 12723, 13550, 13889, 13951, 13988, 14142, 14176, 14200,
14256, 14280, 14293, 14317, 14327, 14478, 14496, 14582, 14686, 14812,
14888, 14894, 14907, 14908, 14909, 14920, 14952, 14964, 14981, 14982,
14985, 14991, 14994, 14996, 15000, 15003, 15006, 15007, 15014, 15020,
15023, 15036, 15054, 15055, 15062, 15078, 15084, 15085, 15086, 15100,
15160, 15214, 15221, 15232, 15234, 15283, 15285, 15287, 15304, 15305,
15307, 15309, 15327, 15330, 15335, 15336, 15337, 15339, 15342, 15346,
15359, 15361, 15366, 15380, 15381, 15394, 15395, 15405, 15406, 15409,
15416, 15418, 15419, 15423, 15424, 15426, 15429, 15431, 15432, 15441,
15442, 15448, 15465, 15480, 15485, 15488, 15490, 15492, 15493, 15497,
15506, 15529, 15536, 15553, 15577, 15583, 15618, 15627, 15631, 15654,
15655, 15667.
12310, 12387, 12515, 12723, 13550, 13889, 13951, 13988, 14142, 14176,
14200, 14256, 14280, 14293, 14317, 14327, 14478, 14496, 14582, 14686,
14812, 14888, 14894, 14907, 14908, 14909, 14920, 14952, 14964, 14981,
14982, 14985, 14991, 14994, 14996, 15000, 15003, 15006, 15007, 15014,
15020, 15023, 15036, 15054, 15055, 15062, 15078, 15084, 15085, 15086,
15100, 15160, 15214, 15221, 15232, 15234, 15283, 15285, 15287, 15304,
15305, 15307, 15309, 15327, 15330, 15335, 15336, 15337, 15339, 15342,
15346, 15359, 15361, 15366, 15380, 15381, 15394, 15395, 15405, 15406,
15409, 15416, 15418, 15419, 15423, 15424, 15426, 15429, 15431, 15432,
15441, 15442, 15448, 15465, 15480, 15485, 15488, 15490, 15492, 15493,
15497, 15506, 15529, 15536, 15553, 15577, 15583, 15618, 15627, 15631,
15654, 15655, 15667.
* CVE-2013-0242 Buffer overrun in regexp matcher has been fixed (Bugzilla
#15078).

5
nptl/ChangeLog
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@ -1,3 +1,8 @@
2013-06-24 Vladimir Nikulichev <v.nikulichev@gmail.com>
[BZ #12310]
* pthread_exit.c: Add reference to pthread_create.
2013-06-22 Joseph Myers <joseph@codesourcery.com>
* pthread_getattr_default_np.c: Include <string.h>.

4
nptl/pthread_exit.c
View File

@ -29,3 +29,7 @@ __pthread_exit (value)
__do_cancel ();
}
strong_alias (__pthread_exit, pthread_exit)
/* After a thread terminates, __libc_start_main decrements
__nptl_nthreads defined in pthread_create.c. */
PTHREAD_STATIC_FN_REQUIRE (pthread_create)