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regions_mm: vmh_free: Prevent null pointer dereference #9776

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Merged
kv2019i merged 1 commit into from
Jan 17, 2025
Merged

regions_mm: vmh_free: Prevent null pointer dereference #9776

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4 changes: 4 additions & 0 deletions zephyr/lib/regions_mm.c
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Original file line number Diff line number Diff line change
Expand Up @@ -571,6 +571,10 @@ int vmh_free(struct vmh_heap *heap, void *ptr)
for (mem_block_iter = 0, ptr_range_found = false;
mem_block_iter < MAX_MEMORY_ALLOCATORS_COUNT;
mem_block_iter++) {
/* continiue so we do not check mem blocks that do not exist */
if (!heap->physical_blocks_allocators[mem_block_iter])
continue;

block_size =
1 << heap->physical_blocks_allocators[mem_block_iter]->info.blk_sz_shift;

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