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bpf: Fix memory leak in bpf_core_apply

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BugLink: https://bugs.launchpad.net/bugs/2097575

[ Upstream commit 45126b155e3b5201179cdc038504bf93a8ccd921 ]

We need to free specs properly.

Fixes: 3d2786d65aaa ("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
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Manuel Diewald <manuel.diewald@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
This commit is contained in:
Jiri Olsa
2024-10-07 18:09:58 +02:00
committed by Stefan Bader
parent cd3ceb58f6
commit d79e74245f
1 changed files with 1 additions and 0 deletions
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kernel/bpf/btf.c
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@@ -8505,6 +8505,7 @@ int bpf_core_apply(struct bpf_core_ctx *ctx, const struct bpf_core_relo *relo,
if (!type) {
bpf_log(ctx->log, "relo #%u: bad type id %u\n",
relo_idx, relo->type_id);
kfree(specs);
return -EINVAL;
}