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malloc_object_size: avoid fault for invalid region

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It's the region pointer that can be NULL here, and p was checked at the
beginning of the function.
This commit is contained in:
Thibaut Sautereau 2021-02-10 09:55:09 +01:00 committed by Daniel Micay
parent 76860c72e1
commit 1984cb3b3d
1 changed files with 1 additions and 1 deletions
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2
h_malloc.c
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@ -1690,7 +1690,7 @@ EXPORT size_t h_malloc_object_size(void *p) {
struct region_allocator *ra = ro.region_allocator; struct region_allocator *ra = ro.region_allocator;
mutex_lock(&ra->lock); mutex_lock(&ra->lock);
struct region_metadata *region = regions_find(p); struct region_metadata *region = regions_find(p);
size_t size = p == NULL ? SIZE_MAX : region->size; size_t size = region == NULL ? SIZE_MAX : region->size;
mutex_unlock(&ra->lock); mutex_unlock(&ra->lock);
thread_seal_metadata(); thread_seal_metadata();