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Guard slabcur fetching in extent_util

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Yinan Zhang
2019-10-28 09:24:42 -07:00
parent 4786099a3a
commit bd6e28d6a3
3 changed files with 11 additions and 7 deletions
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9
src/extent.c
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@@ -2124,7 +2124,12 @@ extent_util_stats_verbose_get(tsdn_t *tsdn, const void *ptr,
} else {
*bin_nfree = *bin_nregs = 0;
}
*slabcur_addr = extent_addr_get(bin->slabcur);
assert(*slabcur_addr != NULL);
extent_t *slab;
if (bin->slabcur != NULL) {
slab = bin->slabcur;
} else {
slab = extent_heap_first(&bin->slabs_nonfull);
}
*slabcur_addr = slab != NULL ? extent_addr_get(slab) : NULL;
malloc_mutex_unlock(tsdn, &bin->lock);
}