From: patchwork-bot+netdevbpf@kernel.org
To: Leon Hwang <leon.hwang@linux.dev>
Cc: bpf@vger.kernel.org, ast@kernel.org, andrii@kernel.org,
daniel@iogearbox.net, martin.lau@linux.dev, eddyz87@gmail.com,
song@kernel.org, yonghong.song@linux.dev,
john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me,
haoluo@google.com, jolsa@kernel.org, memxor@gmail.com,
linux-kernel@vger.kernel.org, kernel-patches-bot@fb.com
Subject: Re: [PATCH bpf v3 0/4] bpf: Free special fields when update hash and local storage maps
Date: Tue, 28 Oct 2025 18:10:11 +0000 [thread overview]
Message-ID: <176167501101.2338015.15567107608462065375.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20251026154000.34151-1-leon.hwang@linux.dev>
Hello:
This series was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko <andrii@kernel.org>:
On Sun, 26 Oct 2025 23:39:56 +0800 you wrote:
> In the discussion thread
> "[PATCH bpf-next v9 0/7] bpf: Introduce BPF_F_CPU and BPF_F_ALL_CPUS flags for percpu maps"[1],
> it was pointed out that missing calls to bpf_obj_free_fields() could
> lead to memory leaks.
>
> A selftest was added to confirm that this is indeed a real issue - the
> refcount of BPF_KPTR_REF field is not decremented when
> bpf_obj_free_fields() is missing after copy_map_value[,_long]().
>
> [...]
Here is the summary with links:
- [bpf,v3,1/4] bpf: Free special fields when update [lru_,]percpu_hash maps
https://git.kernel.org/bpf/bpf-next/c/f6de8d643ff1
- [bpf,v3,2/4] bpf: Free special fields when update hash maps with BPF_F_LOCK
https://git.kernel.org/bpf/bpf-next/c/c7fcb7972196
- [bpf,v3,3/4] bpf: Free special fields when update local storage maps
(no matching commit)
- [bpf,v3,4/4] selftests/bpf: Add tests to verify freeing the special fields when update hash and local storage maps
https://git.kernel.org/bpf/bpf-next/c/d5a7e7af14cc
You are awesome, thank you!
--
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next prev parent reply other threads:[~2025-10-28 18:10 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-26 15:39 [PATCH bpf v3 0/4] bpf: Free special fields when update hash and local storage maps Leon Hwang
2025-10-26 15:39 ` [PATCH bpf v3 1/4] bpf: Free special fields when update [lru_,]percpu_hash maps Leon Hwang
2025-10-28 18:03 ` Andrii Nakryiko
2025-10-26 15:39 ` [PATCH bpf v3 2/4] bpf: Free special fields when update hash maps with BPF_F_LOCK Leon Hwang
2025-10-26 15:39 ` [PATCH bpf v3 3/4] bpf: Free special fields when update local storage maps Leon Hwang
2025-10-27 15:44 ` Amery Hung
2025-10-27 16:15 ` Leon Hwang
2025-10-27 17:04 ` Amery Hung
2025-10-28 14:48 ` Leon Hwang
2025-10-28 18:03 ` Andrii Nakryiko
2025-10-26 15:40 ` [PATCH bpf v3 4/4] selftests/bpf: Add tests to verify freeing the special fields when update hash and " Leon Hwang
2025-10-27 16:34 ` Amery Hung
2025-10-29 14:58 ` Leon Hwang
2025-10-30 14:29 ` Leon Hwang
2025-10-28 18:10 ` patchwork-bot+netdevbpf [this message]
2025-10-28 20:22 ` [PATCH bpf v3 0/4] bpf: Free " Andrii Nakryiko
2025-10-29 6:49 ` Leon Hwang
2025-10-29 6:57 ` Menglong Dong
2025-10-29 16:38 ` Alexei Starovoitov
2025-10-30 5:37 ` Leon Hwang
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