Commit d590b87b6f

TCROC <travislange12@gmail.com>
2025-03-13 21:23:27
glibc: fix uninitialized memory in __pthread_cond_s for <=2.40
* https://sourceware.org/bugzilla/show_bug.cgi?id=32786 * https://inbox.sourceware.org/libc-alpha/87zfhpfqsm.fsf@oldenburg.str.redhat.com
master
1 parent d091178
Changed files (4)
lib
libc
glibc
sysdeps
nptl
bits
thread-shared-types.h
pthread.h
include
generic-glibc
bits
thread-shared-types.h
pthread.h
lib/libc/glibc/sysdeps/nptl/bits/thread-shared-types.h
@@ -99,6 +99,8 @@ struct __pthread_cond_s
   unsigned int __g1_orig_size;
   unsigned int __wrefs;
   unsigned int __g_signals[2];
+  unsigned int __unused_initialized_1;
+  unsigned int __unused_initialized_2;
 };
 
 typedef unsigned int __tss_t;
lib/libc/glibc/sysdeps/nptl/pthread.h
@@ -152,7 +152,7 @@ enum
 
 
 /* Conditional variable handling.  */
-#define PTHREAD_COND_INITIALIZER { { {0}, {0}, {0, 0}, 0, 0, {0, 0} } }
+#define PTHREAD_COND_INITIALIZER { { {0}, {0}, {0, 0}, 0, 0, {0, 0}, 0, 0 } }
 
 
 /* Cleanup buffers */
lib/libc/include/generic-glibc/bits/thread-shared-types.h
@@ -99,6 +99,8 @@ struct __pthread_cond_s
   unsigned int __g1_orig_size;
   unsigned int __wrefs;
   unsigned int __g_signals[2];
+  unsigned int __unused_initialized_1;
+  unsigned int __unused_initialized_2;
 };
 
 typedef unsigned int __tss_t;
lib/libc/include/generic-glibc/pthread.h
@@ -152,7 +152,7 @@ enum
 
 
 /* Conditional variable handling.  */
-#define PTHREAD_COND_INITIALIZER { { {0}, {0}, {0, 0}, 0, 0, {0, 0} } }
+#define PTHREAD_COND_INITIALIZER { { {0}, {0}, {0, 0}, 0, 0, {0, 0}, 0, 0 } }
 
 
 /* Cleanup buffers */