From: patchwork-bot+netdevbpf@kernel.org
To: Jianlin Shi <shijianlin11@foxmail.com>
Cc: bpf@vger.kernel.org, memxor@gmail.com, ast@kernel.org,
daniel@iogearbox.net, andrii@kernel.org, martin.lau@kernel.org,
eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev,
john.fastabend@gmail.com, kpsingh@chromium.org, sdf@falco.dk,
haoluo@google.com, jolsa@kernel.org, emil@tsalapatis.com,
pulehui@huawei.com, shuah@kernel.org,
linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH bpf-next v4 1/5] bpf: roll back stream capacity when allocation fails
Date: Sun, 23 Aug 2026 19:20:12 +0000 [thread overview]
Message-ID: <178751281263.2121026.4461900903934090479.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <c0ad7b18c59be6695fcc9e4e1200b2f4d5cbbea2.1787492521.git.shijianlin11@foxmail.com>
Hello:
This series was applied to bpf/bpf-next.git (master)
by Kumar Kartikeya Dwivedi <memxor@gmail.com>:
On Sun, 23 Aug 2026 22:17:24 +0800 you wrote:
> bpf_stream_push_str() accounts the string length before allocating a
> stream element. If the allocation fails, the length remains charged even
> though no element is queued and therefore cannot be released by a reader.
> Repeated failures can exhaust the stream capacity permanently until the
> BPF program is freed.
>
> Refactor bpf_stream_release_capacity() to take a length so the consume
> and release sides are symmetric, and use it to roll back the charge when
> creating the stream element fails.
>
> [...]
Here is the summary with links:
- [bpf-next,v4,1/5] bpf: roll back stream capacity when allocation fails
https://git.kernel.org/bpf/bpf-next/c/bd2466ed8fc2
- [bpf-next,v4,2/5] bpf: fix stream capacity leak in staging path
https://git.kernel.org/bpf/bpf-next/c/effa6370ba89
- [bpf-next,v4,3/5] bpf: return partial progress from bpf_stream_read on fault
https://git.kernel.org/bpf/bpf-next/c/16790357a50b
- [bpf-next,v4,4/5] bpf: reject oversized bpf_stream_vprintk output with -E2BIG
https://git.kernel.org/bpf/bpf-next/c/41c0348f6e65
- [bpf-next,v4,5/5] selftests/bpf: cover stream capacity and partial read edge cases
(no matching commit)
You are awesome, thank you!
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next prev parent reply other threads:[~2026-08-23 19:21 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-20 1:23 [PATCH bpf] bpf: roll back stream capacity when allocation fails Jianlin Shi
2026-07-20 1:35 ` sashiko-bot
2026-07-20 3:40 ` Pu Lehui
2026-07-20 5:13 ` Jianlin Shi
2026-07-20 5:13 ` [PATCH bpf-next v2] " Jianlin Shi
2026-07-20 5:26 ` sashiko-bot
2026-07-27 3:40 ` Jianlin Shi
2026-07-27 3:58 ` Pu Lehui
2026-08-03 2:40 ` Kumar Kartikeya Dwivedi
2026-08-06 15:49 ` Jianlin Shi
2026-08-15 8:19 ` [PATCH bpf-next v3 0/5] bpf: fix stream capacity, read, and oversize handling Jianlin Shi
[not found] ` <20260815081920.609936-1-shijianlin11@foxmail.com>
2026-08-15 8:19 ` [PATCH bpf-next v3 1/5] bpf: roll back stream capacity when allocation fails Jianlin Shi
2026-08-15 8:32 ` sashiko-bot
2026-08-15 8:19 ` [PATCH bpf-next v3 2/5] bpf: fix stream capacity leak in staging path Jianlin Shi
2026-08-15 8:32 ` sashiko-bot
2026-08-15 9:02 ` bot+bpf-ci
2026-08-23 14:32 ` Jianlin Shi
2026-08-15 8:19 ` [PATCH bpf-next v3 3/5] bpf: return partial progress from bpf_stream_read on fault Jianlin Shi
2026-08-15 8:19 ` [PATCH bpf-next v3 4/5] bpf: reject oversized bpf_stream_vprintk output with -E2BIG Jianlin Shi
[not found] ` <tencent_E2FD478B453F740591952AA7A502D4FCA609@qq.com>
2026-08-15 8:27 ` [PATCH bpf-next v3 5/5] selftests/bpf: cover stream capacity and partial read edge cases sashiko-bot
2026-08-23 14:37 ` Jianlin Shi
2026-08-23 14:17 ` [PATCH bpf-next v4 0/5] bpf: fix stream capacity, read, and oversize handling Jianlin Shi
2026-08-23 14:17 ` [PATCH bpf-next v4 1/5] bpf: roll back stream capacity when allocation fails Jianlin Shi
2026-08-23 19:20 ` patchwork-bot+netdevbpf [this message]
2026-08-23 14:17 ` [PATCH bpf-next v4 2/5] bpf: fix stream capacity leak in staging path Jianlin Shi
2026-08-23 14:17 ` [PATCH bpf-next v4 3/5] bpf: return partial progress from bpf_stream_read on fault Jianlin Shi
2026-08-23 14:29 ` sashiko-bot
2026-08-23 14:17 ` [PATCH bpf-next v4 4/5] bpf: reject oversized bpf_stream_vprintk output with -E2BIG Jianlin Shi
2026-08-23 15:10 ` bot+bpf-ci
2026-08-23 14:17 ` [PATCH bpf-next v4 5/5] selftests/bpf: cover stream capacity and partial read edge cases Jianlin Shi
2026-08-23 14:28 ` sashiko-bot
2026-08-23 15:10 ` bot+bpf-ci
2026-08-23 19:22 ` [PATCH bpf-next v4 0/5] bpf: fix stream capacity, read, and oversize handling Kumar Kartikeya Dwivedi
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