diff options
author | Alex Shlyapnikov <alekseys@google.com> | 2017-07-18 19:11:04 +0000 |
---|---|---|
committer | Alex Shlyapnikov <alekseys@google.com> | 2017-07-18 19:11:04 +0000 |
commit | 13c2d08571baab9982f01acb1d302049bdace581 (patch) | |
tree | d284ec82188f89173bb52f4872c811dd5d02f733 /test/msan | |
parent | e726963d587b1d95320da4f5f05cd563e36eb8fe (diff) |
[Sanitizers] ASan/MSan/LSan allocators set errno on failure.
Summary:
ASan/MSan/LSan allocators set errno on allocation failures according to
malloc/calloc/etc. expected behavior.
MSan allocator was refactored a bit to make its structure more similar
with other allocators.
Also switch Scudo allocator to the internal errno definitions.
TSan allocator changes will follow.
Reviewers: eugenis
Subscribers: llvm-commits, kubamracek
Differential Revision: https://reviews.llvm.org/D35275
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@308344 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/msan')
-rw-r--r-- | test/msan/allocator_returns_null.cc | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/test/msan/allocator_returns_null.cc b/test/msan/allocator_returns_null.cc index b3bc1a365..583b5b4f7 100644 --- a/test/msan/allocator_returns_null.cc +++ b/test/msan/allocator_returns_null.cc @@ -36,12 +36,13 @@ // RUN: MSAN_OPTIONS=allocator_may_return_null=1 %run %t new-nothrow 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-nnNULL +// UNSUPPORTED: win32 #include <assert.h> #include <errno.h> -#include <string.h> #include <stdio.h> #include <stdlib.h> +#include <string.h> #include <limits> #include <new> @@ -86,6 +87,8 @@ int main(int argc, char **argv) { assert(0); } + fprintf(stderr, "errno: %d\n", errno); + // The NULL pointer is printed differently on different systems, while (long)0 // is always the same. fprintf(stderr, "x: %lx\n", (long)x); @@ -110,14 +113,19 @@ int main(int argc, char **argv) { // CHECK-nnCRASH: MemorySanitizer's allocator is terminating the process // CHECK-mNULL: malloc: +// CHECK-mNULL: errno: 12 // CHECK-mNULL: x: 0 // CHECK-cNULL: calloc: +// CHECK-cNULL: errno: 12 // CHECK-cNULL: x: 0 // CHECK-coNULL: calloc-overflow: +// CHECK-coNULL: errno: 12 // CHECK-coNULL: x: 0 // CHECK-rNULL: realloc: +// CHECK-rNULL: errno: 12 // CHECK-rNULL: x: 0 // CHECK-mrNULL: realloc-after-malloc: +// CHECK-mrNULL: errno: 12 // CHECK-mrNULL: x: 0 // CHECK-nnNULL: new-nothrow: // CHECK-nnNULL: x: 0 |