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-rw-r--r--test/asan/TestCases/Posix/stack-use-after-return.cc40
1 files changed, 34 insertions, 6 deletions
diff --git a/test/asan/TestCases/Posix/stack-use-after-return.cc b/test/asan/TestCases/Posix/stack-use-after-return.cc
index cf114be97d51..822d5be9491e 100644
--- a/test/asan/TestCases/Posix/stack-use-after-return.cc
+++ b/test/asan/TestCases/Posix/stack-use-after-return.cc
@@ -4,7 +4,7 @@
// RUN: %clangxx_asan -O3 %s -pthread -o %t && %env_asan_opts=detect_stack_use_after_return=1 not %run %t 2>&1 | FileCheck %s
// RUN: %env_asan_opts=detect_stack_use_after_return=0 %run %t
// Regression test for a CHECK failure with small stack size and large frame.
-// RUN: %clangxx_asan -O3 %s -pthread -o %t -DkSize=10000 -DUseThread -DkStackSize=65536 && %env_asan_opts=detect_stack_use_after_return=1 not %run %t 2>&1 | FileCheck --check-prefix=THREAD %s
+// RUN: %clangxx_asan -O3 %s -pthread -o %t -DkSize=10000 -DUseThread -DkStackSize=131072 && %env_asan_opts=detect_stack_use_after_return=1 not %run %t 2>&1 | FileCheck --check-prefix=THREAD %s
//
// Test that we can find UAR in a thread other than main:
// RUN: %clangxx_asan -DUseThread -O2 %s -pthread -o %t && %env_asan_opts=detect_stack_use_after_return=1 not %run %t 2>&1 | FileCheck --check-prefix=THREAD %s
@@ -14,8 +14,13 @@
// RUN: %env_asan_opts=detect_stack_use_after_return=1:max_uar_stack_size_log=20:verbosity=1 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-20 %s
// RUN: %env_asan_opts=detect_stack_use_after_return=1:min_uar_stack_size_log=24:max_uar_stack_size_log=24:verbosity=1 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-24 %s
-#include <stdio.h>
+// This test runs out of stack on AArch64.
+// UNSUPPORTED: aarch64
+
+#include <limits.h>
#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
#ifndef kSize
# define kSize 1
@@ -48,11 +53,11 @@ void Func2(char *x) {
// CHECK: WRITE of size 1 {{.*}} thread T0
// CHECK: #0{{.*}}Func2{{.*}}stack-use-after-return.cc:[[@LINE-2]]
// CHECK: is located in stack of thread T0 at offset
- // CHECK: 'local' <== Memory access at offset {{16|32}} is inside this variable
+ // CHECK: 'local'{{.*}} <== Memory access at offset {{16|32}} is inside this variable
// THREAD: WRITE of size 1 {{.*}} thread T{{[1-9]}}
// THREAD: #0{{.*}}Func2{{.*}}stack-use-after-return.cc:[[@LINE-6]]
// THREAD: is located in stack of thread T{{[1-9]}} at offset
- // THREAD: 'local' <== Memory access at offset {{16|32}} is inside this variable
+ // THREAD: 'local'{{.*}} <== Memory access at offset {{16|32}} is inside this variable
// CHECK-20: T0: FakeStack created:{{.*}} stack_size_log: 20
// CHECK-24: T0: FakeStack created:{{.*}} stack_size_log: 24
}
@@ -66,8 +71,31 @@ int main(int argc, char **argv) {
#if UseThread
pthread_attr_t attr;
pthread_attr_init(&attr);
- if (kStackSize > 0)
- pthread_attr_setstacksize(&attr, kStackSize);
+ if (kStackSize > 0) {
+ size_t desired_stack_size = kStackSize;
+ if (desired_stack_size < PTHREAD_STACK_MIN) {
+ desired_stack_size = PTHREAD_STACK_MIN;
+ }
+
+ int ret = pthread_attr_setstacksize(&attr, desired_stack_size);
+ if (ret != 0) {
+ fprintf(stderr, "pthread_attr_setstacksize returned %d\n", ret);
+ abort();
+ }
+
+ size_t stacksize_check;
+ ret = pthread_attr_getstacksize(&attr, &stacksize_check);
+ if (ret != 0) {
+ fprintf(stderr, "pthread_attr_getstacksize returned %d\n", ret);
+ abort();
+ }
+
+ if (stacksize_check != desired_stack_size) {
+ fprintf(stderr, "Unable to set stack size to %d, the stack size is %d.\n",
+ desired_stack_size, stacksize_check);
+ abort();
+ }
+ }
pthread_t t;
pthread_create(&t, &attr, Thread, 0);
pthread_attr_destroy(&attr);