From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
James Clark <james.clark@linaro.org>,
Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>,
Adrian Hunter <adrian.hunter@intel.com>,
Clark Williams <williams@redhat.com>,
linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
Arnaldo Carvalho de Melo <acme@redhat.com>,
sashiko-bot <sashiko-bot@kernel.org>,
"Claude Opus 4.6" <noreply@anthropic.com>
Subject: Re: [PATCH 4/5] perf sched: Cap max_cpu at MAX_CPUS in timehist sample processing
Date: Fri, 5 Jun 2026 12:01:41 -0300 [thread overview]
Message-ID: <aiLk1euDqsFGbe0p@x1> (raw)
In-Reply-To: <b30d8432-3512-4053-93d6-77f2be96a796@gmail.com>
On Fri, Jun 05, 2026 at 08:34:53AM -0600, David Ahern wrote:
> On 6/5/26 6:15 AM, Arnaldo Carvalho de Melo wrote:
> > From: Arnaldo Carvalho de Melo <acme@redhat.com>
> > Add bounds checks before both max_cpu updates, matching the pattern
> > already used in map_switch_event().
> > Fixes: 49394a2a24c7 ("perf sched timehist: Introduce timehist command")
> > Reported-by: sashiko-bot <sashiko-bot@kernel.org>
> > Cc: David Ahern <dsahern@gmail.com>
> > Assisted-by: Claude Opus 4.6 <noreply@anthropic.com>
> > Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
> > ---
> > tools/perf/builtin-sched.c | 8 +++++---
> > 1 file changed, 5 insertions(+), 3 deletions(-)
> LGTM
> Reviewed-by: David Ahern <dsahern@kernel.org>
Thanks, added to the cset,
- Arnaldo
next prev parent reply other threads:[~2026-06-05 15:01 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-05 12:15 [PATCHES v1 0/5] perf tools: Fix OOB reads, reference leaks, and overflow in sched/script/auxtrace Arnaldo Carvalho de Melo
2026-06-05 12:15 ` [PATCH 1/5] perf tools: Guard remaining test_bit calls from OOB sample CPU Arnaldo Carvalho de Melo
2026-06-05 12:31 ` sashiko-bot
2026-06-05 12:15 ` [PATCH 2/5] perf tools: Add bounds check to cpu__get_node() Arnaldo Carvalho de Melo
2026-06-05 14:30 ` sashiko-bot
2026-06-05 14:45 ` Arnaldo Carvalho de Melo
2026-06-05 12:15 ` [PATCH 3/5] perf sched: Fix thread reference leaks in timehist_get_thread() Arnaldo Carvalho de Melo
2026-06-05 12:35 ` sashiko-bot
2026-06-05 12:15 ` [PATCH 4/5] perf sched: Cap max_cpu at MAX_CPUS in timehist sample processing Arnaldo Carvalho de Melo
2026-06-05 12:43 ` sashiko-bot
2026-06-05 14:34 ` David Ahern
2026-06-05 15:01 ` Arnaldo Carvalho de Melo [this message]
2026-06-05 12:15 ` [PATCH 5/5] perf sched: Fix register_pid() overflow, strcpy, and BUG_ON Arnaldo Carvalho de Melo
2026-06-05 12:29 ` sashiko-bot
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