diff options
| author | Pierre Gousseau <pierregousseau14@gmail.com> | 2017-06-01 09:37:22 +0000 |
|---|---|---|
| committer | Pierre Gousseau <pierregousseau14@gmail.com> | 2017-06-01 09:37:22 +0000 |
| commit | 27c8277872fdff5466439844251c9c52ec37dadb (patch) | |
| tree | 54db5314d40ec06270abfc355f39fd2696e4985f /lib/msan/tests | |
| parent | 9b2c60be6745a807592f96e7238c331c2308f615 (diff) | |
[asan] Add strndup/__strndup interceptors.
Recommit of r302781 with Vitaly Buka's fix for non zero terminated strings.
Differential Revision: https://reviews.llvm.org/D31457
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@304399 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/msan/tests')
| -rw-r--r-- | lib/msan/tests/msan_test.cc | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/lib/msan/tests/msan_test.cc b/lib/msan/tests/msan_test.cc index c7c91324a..543a7eb98 100644 --- a/lib/msan/tests/msan_test.cc +++ b/lib/msan/tests/msan_test.cc @@ -1581,19 +1581,28 @@ TEST(MemorySanitizer, strdup) { TEST(MemorySanitizer, strndup) { char buf[4] = "abc"; __msan_poison(buf + 2, sizeof(*buf)); - char *x = strndup(buf, 3); + char *x; + EXPECT_UMR(x = strndup(buf, 3)); EXPECT_NOT_POISONED(x[0]); EXPECT_NOT_POISONED(x[1]); EXPECT_POISONED(x[2]); EXPECT_NOT_POISONED(x[3]); free(x); + // Check handling of non 0 terminated strings. + buf[3] = 'z'; + __msan_poison(buf + 3, sizeof(*buf)); + EXPECT_UMR(x = strndup(buf + 3, 1)); + EXPECT_POISONED(x[0]); + EXPECT_NOT_POISONED(x[1]); + free(x); } TEST(MemorySanitizer, strndup_short) { char buf[4] = "abc"; __msan_poison(buf + 1, sizeof(*buf)); __msan_poison(buf + 2, sizeof(*buf)); - char *x = strndup(buf, 2); + char *x; + EXPECT_UMR(x = strndup(buf, 2)); EXPECT_NOT_POISONED(x[0]); EXPECT_POISONED(x[1]); EXPECT_NOT_POISONED(x[2]); |