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-rw-r--r--lib/sanitizer_common/sanitizer_linux_libcdep.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sanitizer_common/sanitizer_linux_libcdep.cc b/lib/sanitizer_common/sanitizer_linux_libcdep.cc
index 0fb3864b0..92e6b788d 100644
--- a/lib/sanitizer_common/sanitizer_linux_libcdep.cc
+++ b/lib/sanitizer_common/sanitizer_linux_libcdep.cc
@@ -302,11 +302,11 @@ void InitTlsSize() {
static atomic_uintptr_t kThreadDescriptorSize;
uptr ThreadDescriptorSize() {
- char buf[64];
uptr val = atomic_load(&kThreadDescriptorSize, memory_order_relaxed);
if (val)
return val;
#ifdef _CS_GNU_LIBC_VERSION
+ char buf[64];
uptr len = confstr(_CS_GNU_LIBC_VERSION, buf, sizeof(buf));
if (len < sizeof(buf) && internal_strncmp(buf, "glibc 2.", 8) == 0) {
char *end;