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libbpf: Fix null pointer dereference in btf_dump__free on allocation failure #9136

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libbpf: Fix null pointer dereference in btf_dump__free on allocation failure #9136

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3 changes: 3 additions & 0 deletions tools/lib/bpf/btf_dump.c
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Original file line number Diff line number Diff line change
Expand Up @@ -227,6 +227,9 @@ static void btf_dump_free_names(struct hashmap *map)
size_t bkt;
struct hashmap_entry *cur;

if (!map)
return;

hashmap__for_each_entry(map, cur, bkt)
free((void *)cur->pkey);

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