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Fix: handle NULL case in spl_kmem_free_track() #567

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Fix: handle NULL case in spl_kmem_free_track() #567

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4 changes: 4 additions & 0 deletions module/spl/spl-kmem.c
100644 → 100755
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Original file line number Diff line number Diff line change
Expand Up @@ -383,6 +383,10 @@ spl_kmem_free_track(const void *ptr, size_t size)
{
kmem_debug_t *dptr;

/* Ignore NULL pointer since we haven't tracked it at all*/
if (ptr == NULL)
return;

/* Must exist in hash due to kmem_alloc() */
dptr = kmem_del_init(&kmem_lock, kmem_table, KMEM_HASH_BITS, ptr);
ASSERT3P(dptr, !=, NULL);
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