From: patchwork-bot+netdevbpf@kernel.org
To: Florent Revest <revest@chromium.org>
Cc: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net,
andrii@kernel.org, kpsingh@kernel.org, jackmanb@google.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH bpf-next] selftests/bpf: Fix the snprintf test
Date: Fri, 30 Apr 2021 17:50:10 +0000 [thread overview]
Message-ID: <161980501003.20779.4607601411037423780.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20210428152501.1024509-1-revest@chromium.org>
Hello:
This patch was applied to bpf/bpf.git (refs/heads/master):
On Wed, 28 Apr 2021 17:25:01 +0200 you wrote:
> The BPF program for the snprintf selftest runs on all syscall entries.
> On busy multicore systems this can cause concurrency issues.
>
> For example it was observed that sometimes the userspace part of the
> test reads " 4 0000" instead of " 4 000" (extra '0' at the end)
> which seems to happen just before snprintf on another core sets
> end[-1] = '\0'.
>
> [...]
Here is the summary with links:
- [bpf-next] selftests/bpf: Fix the snprintf test
https://git.kernel.org/bpf/bpf/c/f80f88f0e2f2
You are awesome, thank you!
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prev parent reply other threads:[~2021-04-30 17:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-28 15:25 [PATCH bpf-next] selftests/bpf: Fix the snprintf test Florent Revest
2021-04-30 17:46 ` Andrii Nakryiko
2021-04-30 17:50 ` patchwork-bot+netdevbpf [this message]
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