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bpf: Fix memory leak in bpf_core_apply

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We need to free specs properly.

Fixes: 3d2786d65a ("bpf: correctly handle malformed BPF_CORE_TYPE_ID_LOCAL relos")
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/bpf/20241007160958.607434-1-jolsa@kernel.org
This commit is contained in:
Jiri Olsa 2024-10-07 18:09:58 +02:00 committed by Andrii Nakryiko
parent bcd28cfd04
commit 45126b155e
1 changed files with 1 additions and 0 deletions
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kernel/bpf/btf.c
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@ -8961,6 +8961,7 @@ int bpf_core_apply(struct bpf_core_ctx *ctx, const struct bpf_core_relo *relo,
if (!type) { if (!type) {
bpf_log(ctx->log, "relo #%u: bad type id %u\n", bpf_log(ctx->log, "relo #%u: bad type id %u\n",
relo_idx, relo->type_id); relo_idx, relo->type_id);
kfree(specs);
return -EINVAL; return -EINVAL;
} }