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From: Namhyung Kim <namhyung@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, 
 Arnaldo Carvalho de Melo <acme@kernel.org>, 
 Mark Rutland <mark.rutland@arm.com>, 
 Alexander Shishkin <alexander.shishkin@linux.intel.com>, 
 Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>, 
 Adrian Hunter <adrian.hunter@intel.com>, 
 James Clark <james.clark@linaro.org>, 
 Michalis Niarchos <michael.niarchos@gmail.com>
Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org
In-Reply-To: <20260807-perf-kvm-leaks-v1-0-7b5e2f97905a@gmail.com>
References: <20260807-perf-kvm-leaks-v1-0-7b5e2f97905a@gmail.com>
Subject: Re: [PATCH 0/2] perf kvm: Fix memory leaks
Message-Id: <178656887896.4021779.4825437848306350814.b4-ty@kernel.org>
Date: Wed, 12 Aug 2026 14:07:58 -0700
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On Fri, 07 Aug 2026 17:08:34 +0200, Michalis Niarchos wrote:
> Running ./perf kvm stat report with ASan, revealed some memory leaks:
> 
> ==206006==ERROR: LeakSanitizer: detected memory leaks
> 
> Direct leak of 72 byte(s) in 3 object(s) allocated from:
>     #0 0x7ff86bf2bea9 in calloc (/usr/lib/libasan.so.8+0x12bea9) (BuildId: 7f2845989b820f536270e19ec47df085ae89a675)
>     #1 0x55f42795a0d5 in zalloc ../../lib/zalloc.c:8
>     #2 0x55f42782d7f4 in per_vcpu_record /home/mike/git/linux/tools/perf/builtin-kvm.c:929
>     #3 0x55f42782dab7 in handle_kvm_event /home/mike/git/linux/tools/perf/builtin-kvm.c:950
>     #4 0x55f42782fa80 in process_sample_event /home/mike/git/linux/tools/perf/builtin-kvm.c:1159
>     ...
>     #14 0x55f42783236c in read_events /home/mike/git/linux/tools/perf/builtin-kvm.c:1591
>     #15 0x55f4278326f8 in kvm_events_report_vcpu /home/mike/git/linux/tools/perf/builtin-kvm.c:1636
> 
> [...]
Applied to perf-tools-next, thanks!

Best regards,
Namhyung