linux-kernel - Re: [PATCH v2 0/7] Various asan and test fixes

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Message-ID: <aDdPvCIYmSPXmBJG@google.com>
Date: Wed, 28 May 2025 11:02:36 -0700
From: Namhyung Kim <namhyung@...nel.org>
To: Ian Rogers <irogers@...gle.com>
Cc: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Kan Liang <kan.liang@...ux.intel.com>,
	Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <benno.lossin@...ton.me>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>,
	Danilo Krummrich <dakr@...nel.org>,
	Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
	James Clark <james.clark@...aro.org>,
	Howard Chu <howardchu95@...il.com>,
	Weilin Wang <weilin.wang@...el.com>,
	Stephen Brennan <stephen.s.brennan@...cle.com>,
	Andi Kleen <ak@...ux.intel.com>, Dmitry Vyukov <dvyukov@...gle.com>,
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/7] Various asan and test fixes

On Tue, May 27, 2025 at 08:26:30PM -0700, Ian Rogers wrote:
> When testing removing perf_env with asan I noticed a number of test
> failures either because of asan issues or because of building with
> NO_LIBELF=1 and NO_LIBBPF=1 to avoid false memory leaks. Address these
> issues so that real test failures stand out.
> 
> v2: Fix wrong elf size use in filename__read_build_id fix. Add
>     thread__comm_lock fix.
> 
> Ian Rogers (7):
>   perf symbol: Fix use-after-free in filename__read_build_id
>   perf test demangle-java: Don't segv if demangling fails
>   perf symbol: Move demangling code out of symbol-elf.c
>   perf intel-tpebs: Avoid race when evlist is being deleted
>   perf test intel-pt: Skip jitdump test if no libelf
>   perf test trace_summary: Skip --bpf-summary tests if no libbpf
>   perf thread: Avoid recursively taking thread__comm_lock

Acked-by: Namhyung Kim <namhyung@...nel.org>

Thanks,
Namhyung

> 
>  tools/perf/tests/demangle-java-test.c   |   5 +
>  tools/perf/tests/shell/test_intel_pt.sh |   5 +
>  tools/perf/tests/shell/trace_summary.sh |   6 +
>  tools/perf/util/demangle-cxx.h          |   2 +
>  tools/perf/util/intel-tpebs.c           |  12 +-
>  tools/perf/util/symbol-elf.c            |  86 ------------
>  tools/perf/util/symbol-minimal.c        | 175 ++++++++++--------------
>  tools/perf/util/symbol.c                |  87 ++++++++++++
>  tools/perf/util/thread.c                |  17 ++-
>  9 files changed, 198 insertions(+), 197 deletions(-)
> 
> -- 
> 2.49.0.1238.gf8c92423fb-goog
>