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[bpf] bpf: Fix memory leak in bpf_core_apply

Message ID 20241007160958.607434-1-jolsa@kernel.org (mailing list archive)
State Accepted
Commit 45126b155e3b5201179cdc038504bf93a8ccd921
Delegated to: BPF
Headers show
Series [bpf] bpf: Fix memory leak in bpf_core_apply | expand

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netdev/fixes_present success Fixes tag present in non-next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 9 this patch: 9
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netdev/cc_maintainers warning 4 maintainers not CCed: kpsingh@kernel.org martin.lau@linux.dev song@kernel.org yonghong.song@linux.dev
netdev/build_clang success Errors and warnings before: 7 this patch: 7
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Commit Message

Jiri Olsa Oct. 7, 2024, 4:09 p.m. UTC 
We need to free specs properly.

Cc: Eduard Zingerman <eddyz87@gmail.com>
Fixes: 3d2786d65aaa ("bpf: correctly handle malformed BPF_CORE_TYPE_ID_LOCAL relos")
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
 kernel/bpf/btf.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Eduard Zingerman Oct. 7, 2024, 5:13 p.m. UTC | #1 
On Mon, 2024-10-07 at 18:09 +0200, Jiri Olsa wrote:
> We need to free specs properly.
> 
> Cc: Eduard Zingerman <eddyz87@gmail.com>
> Fixes: 3d2786d65aaa ("bpf: correctly handle malformed BPF_CORE_TYPE_ID_LOCAL relos")
> Signed-off-by: Jiri Olsa <jolsa@kernel.org>
> ---

Acked-by: Eduard Zingerman <eddyz87@gmail.com>
patchwork-bot+netdevbpf@kernel.org Oct. 8, 2024, 3:30 a.m. UTC | #2 
Hello:

This patch was applied to bpf/bpf.git (master)
by Andrii Nakryiko <andrii@kernel.org>:

On Mon,  7 Oct 2024 18:09:58 +0200 you wrote:
> We need to free specs properly.
> 
> Cc: Eduard Zingerman <eddyz87@gmail.com>
> Fixes: 3d2786d65aaa ("bpf: correctly handle malformed BPF_CORE_TYPE_ID_LOCAL relos")
> Signed-off-by: Jiri Olsa <jolsa@kernel.org>
> ---
>  kernel/bpf/btf.c | 1 +
>  1 file changed, 1 insertion(+)

Here is the summary with links:
  - [bpf] bpf: Fix memory leak in bpf_core_apply
    https://git.kernel.org/bpf/bpf/c/45126b155e3b

You are awesome, thank you!
diff mbox series

Patch

diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index 75e4fe83c509..a05da5f43547 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -8961,6 +8961,7 @@  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;
 	}