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Fix remaining regressions in ASAN support

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See #829
This commit is contained in:
Justine Tunney 2023-06-08 08:00:37 -07:00
parent 4d629fd424
commit 25678db2a0
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GPG key ID: BE714B4575D6E328
3 changed files with 9 additions and 7 deletions
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13
libc/intrin/asan.c
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@ -165,15 +165,16 @@ void __asan_version_mismatch_check_v8(void) {
}
static bool __asan_once(void) {
bool want = false;
int want = false;
static atomic_int once;
return atomic_compare_exchange_strong_explicit(
&once, &want, true, memory_order_relaxed, memory_order_relaxed);
}
#define __asan_unreachable() \
do { \
for (;;) __builtin_trap(); \
#define __asan_unreachable() \
do { \
kprintf("%s:%d: __asan_unreachable()\n", __FILE__, __LINE__); \
for (;;) __builtin_trap(); \
} while (0)
static int __asan_bsf(uint64_t x) {
@ -1309,16 +1310,16 @@ void __asan_report_load(uint8_t *addr, int size) {
__asan_evil(addr, size, "load");
if (!__vforked && __asan_once()) {
__asan_report_memory_fault(addr, size, "load")();
__asan_unreachable();
}
__asan_unreachable();
}
void __asan_report_store(uint8_t *addr, int size) {
__asan_evil(addr, size, "store");
if (!__vforked && __asan_once()) {
__asan_report_memory_fault(addr, size, "store")();
__asan_unreachable();
}
__asan_unreachable();
}
void __asan_poison_stack_memory(char *addr, size_t size) {