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authorKostya Serebryany <kcc@google.com>2014-05-12 08:01:51 +0000
committerKostya Serebryany <kcc@google.com>2014-05-12 08:01:51 +0000
commitf19b9748325376109a89218554c4dc17264e779a (patch)
treef8a6ef1429386aa621865d17fd621261ac039116
parent89f2232fb0cb73749086459676fa149b6ac54092 (diff)
[asan] fix a self deadlock when printing stats; add a relevant test, cleanup that test while at it to remove linux/darwin differences. Fixes http://code.google.com/p/address-sanitizer/issues/detail?id=306
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@208525 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/asan/asan_report.cc2
-rw-r--r--test/asan/TestCases/heap-overflow.cc16
2 files changed, 8 insertions, 10 deletions
diff --git a/lib/asan/asan_report.cc b/lib/asan/asan_report.cc
index af6f77053..8a3259366 100644
--- a/lib/asan/asan_report.cc
+++ b/lib/asan/asan_report.cc
@@ -557,6 +557,8 @@ class ScopedInErrorReport {
NORETURN ~ScopedInErrorReport() {
// Make sure the current thread is announced.
DescribeThread(GetCurrentThread());
+ // We may want to grab this lock again when printing stats.
+ asanThreadRegistry().Unlock();
// Print memory stats.
if (flags()->print_stats)
__asan_print_accumulated_stats();
diff --git a/test/asan/TestCases/heap-overflow.cc b/test/asan/TestCases/heap-overflow.cc
index 6b49c0955..1a5098a34 100644
--- a/test/asan/TestCases/heap-overflow.cc
+++ b/test/asan/TestCases/heap-overflow.cc
@@ -1,8 +1,8 @@
-// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
-// RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
-// RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
-// RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
-
+// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
+// RUN: ASAN_OPTIONS=print_stats=1 not %run %t 2>&1 | FileCheck %s
#include <stdlib.h>
#include <string.h>
int main(int argc, char **argv) {
@@ -14,11 +14,7 @@ int main(int argc, char **argv) {
// CHECK: {{0x.* is located 0 bytes to the right of 10-byte region}}
// CHECK: {{allocated by thread T0 here:}}
- // CHECK-Linux: {{ #0 0x.* in .*malloc}}
- // CHECK-Linux: {{ #1 0x.* in main .*heap-overflow.cc:9}}
-
- // CHECK-Darwin: {{ #0 0x.* in wrap_malloc.*}}
- // CHECK-Darwin: {{ #1 0x.* in main .*heap-overflow.cc:9}}
+ // CHECK: {{ #0 0x.* in .*malloc}}
free(x);
return res;
}