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FORTIFY_SOURCE: fortify read()

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Change-Id: Ic7de163fe121db13e00560adb257331bc709814d
This commit is contained in:
Nick Kralevich
2013-10-09 20:16:34 -07:00
parent 92f3cc50c8
commit b036b5ca36
4 changed files with 87 additions and 0 deletions
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10
tests/fortify_test.cpp
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@@ -21,6 +21,7 @@
#include <sys/stat.h>
#include <sys/socket.h>
#include <malloc.h>
#include <fcntl.h>
// We have to say "DeathTest" here so gtest knows to run this test (which exits)
// in its own process. Unfortunately, the C preprocessor doesn't give us an
@@ -568,6 +569,15 @@ TEST(DEATHTEST, FD_ZERO_fortified) {
ASSERT_EXIT(FD_ZERO(set), testing::KilledBySignal(SIGABRT), "");
}
TEST(DEATHTEST, read_fortified) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
char buf[1];
size_t ct = atoi("2"); // prevent optimizations
int fd = open("/dev/null", O_RDONLY);
ASSERT_EXIT(read(fd, buf, ct), testing::KilledBySignal(SIGABRT), "");
close(fd);
}
extern "C" char* __strncat_chk(char*, const char*, size_t, size_t);
extern "C" char* __strcat_chk(char*, const char*, size_t);