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-rw-r--r--src/runtime/cgo/gcc_stack_unix.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/runtime/cgo/gcc_stack_unix.c b/src/runtime/cgo/gcc_stack_unix.c
index f3fead9..98a75a1 100644
--- a/src/runtime/cgo/gcc_stack_unix.c
+++ b/src/runtime/cgo/gcc_stack_unix.c
@@ -18,6 +18,9 @@ x_cgo_getstackbound(uintptr bounds[2])
void *addr;
size_t size;
+ // Needed before pthread_getattr_np, too, since before glibc 2.32
+ // it did not call pthread_attr_init in all cases (see #65625).
+ pthread_attr_init(&attr);
#if defined(__GLIBC__) || (defined(__sun) && !defined(__illumos__))
// pthread_getattr_np is a GNU extension supported in glibc.
// Solaris is not glibc but does support pthread_getattr_np
@@ -25,11 +28,9 @@ x_cgo_getstackbound(uintptr bounds[2])
pthread_getattr_np(pthread_self(), &attr); // GNU extension
pthread_attr_getstack(&attr, &addr, &size); // low address
#elif defined(__illumos__)
- pthread_attr_init(&attr);
pthread_attr_get_np(pthread_self(), &attr);
pthread_attr_getstack(&attr, &addr, &size); // low address
#else
- pthread_attr_init(&attr);
pthread_attr_getstacksize(&attr, &size);
addr = __builtin_frame_address(0) + 4096 - size;
#endif