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Re-enable stack depth checks under ASan (#161)

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The default 256 kb stack is too small to run some of the test262 tests
when ASAN is enabled.

Double it to 512 kb and ensure threads created by quickjs have big
enough stacks.
This commit is contained in:
Ben Noordhuis 2023-11-30 22:18:23 +01:00 committed by GitHub
parent 0745c3a12b
commit a5b9e54151
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 14 additions and 2 deletions
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3
quickjs-libc.c
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@ -3409,6 +3409,9 @@ static JSValue js_worker_ctor(JSContext *ctx, JSValueConst new_target,
pthread_attr_init(&attr);
/* no join at the end */
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
// musl libc gives threads 80 kb stacks, much smaller than
// JS_DEFAULT_STACK_SIZE (256 kb)
pthread_attr_setstacksize(&attr, 2 << 20); // 2 MB, glibc default
ret = pthread_create(&tid, &attr, worker_func, args);
pthread_attr_destroy(&attr);
if (ret != 0) {

5
quickjs.c
View file

@ -67,7 +67,7 @@
#define CONFIG_PRINTF_RNDN
#endif
#if !defined(EMSCRIPTEN) && !defined(__ASAN__)
#if !defined(EMSCRIPTEN)
/* enable stack limitation */
#define CONFIG_STACK_CHECK
#endif
@ -1635,6 +1635,9 @@ JSRuntime *JS_NewRuntime2(const JSMallocFunctions *mf, void *opaque)
rt->js_class_id_alloc = JS_CLASS_INIT_COUNT;
rt->stack_size = JS_DEFAULT_STACK_SIZE;
#ifdef __ASAN__
rt->stack_size *= 2; // stack frames are bigger under AddressSanitizer
#endif
JS_UpdateStackTop(rt);
rt->current_exception = JS_NULL;

8
run-test262.c
View file

@ -531,6 +531,7 @@ static JSValue js_agent_start(JSContext *ctx, JSValue this_val,
{
const char *script;
Test262Agent *agent;
pthread_attr_t attr;
if (JS_GetContextOpaque(ctx) != NULL)
return JS_ThrowTypeError(ctx, "cannot be called inside an agent");
@ -545,7 +546,12 @@ static JSValue js_agent_start(JSContext *ctx, JSValue this_val,
agent->script = strdup(script);
JS_FreeCString(ctx, script);
list_add_tail(&agent->link, &agent_list);
pthread_create(&agent->tid, NULL, agent_start, agent);
pthread_attr_init(&attr);
// musl libc gives threads 80 kb stacks, much smaller than
// JS_DEFAULT_STACK_SIZE (256 kb)
pthread_attr_setstacksize(&attr, 2 << 20); // 2 MB, glibc default
pthread_create(&agent->tid, &attr, agent_start, agent);
pthread_attr_destroy(&attr);
return JS_UNDEFINED;
}