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merge from dev-trace

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This commit is contained in:
Daan Leijen 2021-12-10 11:54:41 -08:00
commit d86fc87fa1
7 changed files with 168 additions and 94 deletions
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1
test/CMakeLists.txt
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@ -15,6 +15,7 @@ if (NOT CMAKE_BUILD_TYPE)
endif()
endif()
# Import mimalloc (if installed)
find_package(mimalloc 2.0 REQUIRED NO_SYSTEM_ENVIRONMENT_PATH)
message(STATUS "Found mimalloc installed at: ${MIMALLOC_LIBRARY_DIR}")

32
test/main-override-static.c
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@ -176,7 +176,9 @@ void mi_bins() {
static void double_free1();
static void double_free2();
static void corrupt_free();
static void double_free3();
static void corrupt_free1();
static void corrupt_free2();
static void block_overflow1();
static void block_overflow2();
static void invalid_free();
@ -192,7 +194,9 @@ int main() {
// detect double frees and heap corruption
// double_free1();
// double_free2();
// corrupt_free();
// double_free3();
// corrupt_free1();
// corrupt_free2();
// block_overflow1();
// block_overflow2();
// test_aslr();
@ -281,13 +285,35 @@ static void double_free2() {
fprintf(stderr, "p1: %p-%p, p2: %p-%p\n", p[4], (uint8_t*)(p[4]) + 917504, p[1], (uint8_t*)(p[1]) + 786432);
}
static void double_free3() {
void* p1 = malloc(32);
void* p2 = malloc(32);
void* p3 = malloc(32);
free(p2);
free(p1);
free(p2);
free(p3);
}
static void corrupt_free1() {
void* p1 = malloc(32);
void* p2 = malloc(32);
void* p3 = malloc(32);
free(p2);
memset(p2, 0, 8); // corrupt free list entry
mi_collect(true);
p2 = malloc(32); // should trigger corrupted free list
free(p1);
free(p2);
free(p3);
}
// Try to corrupt the heap through buffer overflow
#define N 256
#define SZ 64
#define OVF_SZ 32
static void corrupt_free() {
static void corrupt_free2() {
void* p[N];
// allocate
for (int i = 0; i < N; i++) {