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From: Jiri Olsa <olsajiri@gmail.com>
To: bot+bpf-ci@kernel.org
Cc: andrey.grodzovsky@crowdstrike.com, bpf@vger.kernel.org,
	linux-trace-kernel@vger.kernel.org, ast@kernel.org,
	daniel@iogearbox.net, andrii@kernel.org, rostedt@goodmis.org,
	mhiramat@kernel.org, ihor.solodrai@linux.dev,
	emil@etsalapatis.com, linux-open-source@crowdstrike.com,
	martin.lau@kernel.org, eddyz87@gmail.com,
	yonghong.song@linux.dev, clm@meta.com
Subject: Re: [RFC PATCH bpf-next v5 1/2] tracing: Prefer vmlinux symbols over module symbols for unqualified kprobes
Date: Tue, 7 Apr 2026 14:59:14 +0200	[thread overview]
Message-ID: <adT_omtCk7ZGz1xS@krava> (raw)
In-Reply-To: <669779524c357c9790196e8e9ce8da8b21a71756c96e828252fead311fdc44c3@mail.kernel.org>

On Mon, Apr 06, 2026 at 08:15:10PM +0000, bot+bpf-ci@kernel.org wrote:
> > Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@crowdstrike.com>
> > Suggested-by: Ihor Solodrai <ihor.solodrai@linux.dev>
> 
> This commit fixes a bug introduced when module symbol counting was
> added to number_of_same_symbols(). Would it be worth adding a
> Fixes: tag?
> 
> Suggested:
> Fixes: 926fe783c8a6 ("tracing/kprobes: Fix symbol counting logic by looking at modules as well")

there's also:
  9d8616034f16 tracing/kprobes: Add symbol counting check when module loads

jirka

> 
> That commit added module_kallsyms_on_each_symbol() to
> number_of_same_symbols(), which caused unqualified kprobe targets
> matching both vmlinux and a module to return count > 1 and fail
> with -EADDRNOTAVAIL.
> 
> 
> ---
> AI reviewed your patch. Please fix the bug or email reply why it's not a bug.
> See: https://github.com/kernel-patches/vmtest/blob/master/ci/claude/README.md
> 
> CI run summary: https://github.com/kernel-patches/bpf/actions/runs/24047967861


  reply	other threads:[~2026-04-07 12:59 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-06 19:31 [RFC PATCH bpf-next v5 0/2] tracing: Fix kprobe attachment when module shadows vmlinux symbol Andrey Grodzovsky
2026-04-06 19:31 ` [RFC PATCH bpf-next v5 1/2] tracing: Prefer vmlinux symbols over module symbols for unqualified kprobes Andrey Grodzovsky
2026-04-06 20:15   ` bot+bpf-ci
2026-04-07 12:59     ` Jiri Olsa [this message]
2026-04-07 12:59   ` Jiri Olsa
2026-04-06 19:31 ` [RFC PATCH bpf-next v5 2/2] selftests/bpf: Add tests for duplicate kprobe symbol handling Andrey Grodzovsky
2026-04-07 12:59   ` Jiri Olsa

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