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fix ASAN errors

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This commit is contained in:
Aaron Patterson 2021-01-13 13:46:03 -08:00 • committed by Aaron Patterson
parent 70cd351c7c
commit 589a8026f0
Notes: git 2021-01-14 07:54:13 +09:00
1 changed files with 17 additions and 4 deletions
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21
gc.c
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@ -2217,7 +2217,9 @@ ractor_cache_slots(rb_objspace_t *objspace, rb_ractor_t *cr)
page->free_slots = 0;
page->freelist = NULL;
asan_unpoison_object((VALUE)cr->newobj_cache.freelist, false);
GC_ASSERT(RB_TYPE_P((VALUE)cr->newobj_cache.freelist, T_NONE));
asan_poison_object((VALUE)cr->newobj_cache.freelist);
}
ALWAYS_INLINE(static VALUE newobj_slowpath(VALUE klass, VALUE flags, rb_objspace_t *objspace, rb_ractor_t *cr, int wb_protected));
@ -5079,11 +5081,22 @@ gc_sweep_start_heap(rb_objspace_t *objspace, rb_heap_t *heap)
RUBY_DEBUG_LOG("ractor using_page:%p freelist:%p", page, freelist);
if (page && freelist) {
RVALUE **p = &page->freelist;
while (*p) {
p = &(*p)->as.free.next;
asan_unpoison_memory_region(&page->freelist, sizeof(RVALUE*), false);
if (page->freelist) {
RVALUE *p = page->freelist;
asan_unpoison_object((VALUE)p, false);
while (p->as.free.next) {
RVALUE *prev = p;
p = p->as.free.next;
asan_poison_object((VALUE)prev);
asan_unpoison_object((VALUE)p, false);
}
p->as.free.next = freelist;
asan_poison_object((VALUE)p);
} else {
page->freelist = freelist;
}
*p = freelist;
asan_poison_memory_region(&page->freelist, sizeof(RVALUE*));
}
r->newobj_cache.using_page = NULL;