From: Ravi Bangoria <ravi.bangoria@amd.com>
To: Arnaldo Carvalho de Melo <acme@kernel.org>,
Ian Rogers <irogers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
Adrian Hunter <adrian.hunter@intel.com>,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
Ravi Bangoria <ravi.bangoria@amd.com>
Subject: Re: [PATCH v1] perf tool x86: Fix perf_env memory leak
Date: Wed, 14 Jun 2023 08:52:43 +0530 [thread overview]
Message-ID: <60477a13-1b8b-5aad-b635-73b9d8e3f734@amd.com> (raw)
In-Reply-To: <ZIkShy2yj1b0+GDv@kernel.org>
On 14-Jun-23 6:36 AM, Arnaldo Carvalho de Melo wrote:
> Em Tue, Jun 13, 2023 at 04:54:16PM -0700, Ian Rogers escreveu:
>> Found by leak sanitizer:
>> ```
>> ==1632594==ERROR: LeakSanitizer: detected memory leaks
>>
>> Direct leak of 21 byte(s) in 1 object(s) allocated from:
>> #0 0x7f2953a7077b in __interceptor_strdup ../../../../src/libsanitizer/asan/asan_interceptors.cpp:439
>> #1 0x556701d6fbbf in perf_env__read_cpuid util/env.c:369
>> #2 0x556701d70589 in perf_env__cpuid util/env.c:465
>> #3 0x55670204bba2 in x86__is_amd_cpu arch/x86/util/env.c:14
>> #4 0x5567020487a2 in arch__post_evsel_config arch/x86/util/evsel.c:83
>> #5 0x556701d8f78b in evsel__config util/evsel.c:1366
>> #6 0x556701ef5872 in evlist__config util/record.c:108
>> #7 0x556701cd6bcd in test__PERF_RECORD tests/perf-record.c:112
>> #8 0x556701cacd07 in run_test tests/builtin-test.c:236
>> #9 0x556701cacfac in test_and_print tests/builtin-test.c:265
>> #10 0x556701cadddb in __cmd_test tests/builtin-test.c:402
>> #11 0x556701caf2aa in cmd_test tests/builtin-test.c:559
>> #12 0x556701d3b557 in run_builtin tools/perf/perf.c:323
>> #13 0x556701d3bac8 in handle_internal_command tools/perf/perf.c:377
>> #14 0x556701d3be90 in run_argv tools/perf/perf.c:421
>> #15 0x556701d3c3f8 in main tools/perf/perf.c:537
>> #16 0x7f2952a46189 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
>>
>> SUMMARY: AddressSanitizer: 21 byte(s) leaked in 1 allocation(s).
>> ```
>>
>> Fixes: daea405f5f06 ("perf tool x86: Consolidate is_amd check into single function")
>
> Its a fix, yes, but it is not for this daea405f5f06 patch, he just moved the
> perf_mem_is_amd_cpu(), that was leaky, to a different file, the fixes is
> for for:
>
> f7b58cbdb3ff36eb ("perf mem/c2c: Add load store event mappings for
> AMD").
>
> Right?
Yeah that's correct "Fixes" commit. Thanks for the fix Ian!
Ravi
next prev parent reply other threads:[~2023-06-14 3:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-13 23:54 Ian Rogers
2023-06-14 1:06 ` Arnaldo Carvalho de Melo
2023-06-14 3:22 ` Ravi Bangoria [this message]
2023-06-14 4:05 ` Ian Rogers
2023-06-14 13:42 ` Arnaldo Carvalho de Melo
2023-06-14 14:03 ` Ravi Bangoria
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