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am 944ce989: am f7da611b: am 00d51c9f: Merge "Use alloc_size attribute on *alloc functions"

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* commit '944ce989f8d9c4fa1c8211ac5aa46693346e1fe0':
  Use alloc_size attribute on *alloc functions
This commit is contained in:
Nick Kralevich 2013-10-02 14:41:52 -07:00 committed by Android Git Automerger
commit e1bcd57469
2 changed files with 20 additions and 6 deletions
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12
libc/include/malloc.h
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@ -27,16 +27,16 @@
__BEGIN_DECLS
extern void* malloc(size_t byte_count) __mallocfunc __wur;
extern void* calloc(size_t item_count, size_t item_size) __mallocfunc __wur;
extern void* realloc(void* p, size_t byte_count) __wur;
extern void* malloc(size_t byte_count) __mallocfunc __wur __attribute__((alloc_size(1)));
extern void* calloc(size_t item_count, size_t item_size) __mallocfunc __wur __attribute__((alloc_size(1,2)));
extern void* realloc(void* p, size_t byte_count) __wur __attribute__((alloc_size(2)));
extern void free(void* p);
extern void* memalign(size_t alignment, size_t byte_count) __mallocfunc __wur;
extern void* memalign(size_t alignment, size_t byte_count) __mallocfunc __wur __attribute__((alloc_size(2)));
extern size_t malloc_usable_size(const void* p);
extern void* valloc(size_t byte_count) __mallocfunc __wur;
extern void* pvalloc(size_t byte_count) __mallocfunc __wur;
extern void* valloc(size_t byte_count) __mallocfunc __wur __attribute__((alloc_size(1)));
extern void* pvalloc(size_t byte_count) __mallocfunc __wur __attribute__((alloc_size(1)));
#ifndef STRUCT_MALLINFO_DECLARED
#define STRUCT_MALLINFO_DECLARED 1

14
tests/fortify_test.cpp
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@ -20,6 +20,7 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <malloc.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
@ -395,6 +396,19 @@ TEST(DEATHTEST, sprintf_fortified) {
ASSERT_EXIT(sprintf(buf, "%s", source_buf), testing::KilledBySignal(SIGABRT), "");
}
#ifndef __clang__
// This test is disabled in clang because clang doesn't properly detect
// this buffer overflow. TODO: Fix clang.
TEST(DEATHTEST, sprintf_malloc_fortified) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
char* buf = (char *) malloc(10);
char source_buf[11];
memcpy(source_buf, "1234567890", 11);
ASSERT_EXIT(sprintf(buf, "%s", source_buf), testing::KilledBySignal(SIGABRT), "");
free(buf);
}
#endif
TEST(DEATHTEST, sprintf2_fortified) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
char buf[5];