Package: glibc / 2.41-10

any/submitted-nptl-invalid-td.patch Patch series | download
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2010-02-27  Aurelien Jarno  <aurelien@aurel32.net>

	* pthreadP.h(INVALID_TD_P, INVALID_NOT_TERMINATED_TD_P): detect
	NULL pointers.

---
 sysdeps/nptl/pthreadP.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/sysdeps/nptl/pthreadP.h
+++ b/sysdeps/nptl/pthreadP.h
@@ -242,8 +242,8 @@
 /* This will not catch all invalid descriptors but is better than
    nothing.  And if the test triggers the thread descriptor is
    guaranteed to be invalid.  */
-#define INVALID_TD_P(pd) __builtin_expect ((pd)->tid <= 0, 0)
-#define INVALID_NOT_TERMINATED_TD_P(pd) __builtin_expect ((pd)->tid < 0, 0)
+#define INVALID_TD_P(pd) __builtin_expect (!pd || ((pd)->tid <= 0), 0)
+#define INVALID_NOT_TERMINATED_TD_P(pd) __builtin_expect (!pd || ((pd)->tid < 0), 0)
 
 extern void __pthread_unwind (__pthread_unwind_buf_t *__buf)
      __cleanup_fct_attribute __attribute ((__noreturn__))