From: sashiko-bot@kernel.org
To: "Vinay Belgaumkar" <vinay.belgaumkar@intel.com>
Cc: linux-perf-users@vger.kernel.org
Subject: Re: [PATCH 2/2] perf: Add checks to prevent null ptr access
Date: Fri, 04 Sep 2026 18:38:58 +0000 [thread overview]
Message-ID: <20260904183858.A68D61F00A3D@smtp.kernel.org> (raw)
In-Reply-To: <20260904181625.1394082-2-vinay.belgaumkar@intel.com>
> Sashiko recommended some additional checks to prevent null pointer
> access. Check for revoked states inside perf_event_read_local(), as
> the pmu event may have already been freed at this point. Add a null
> check inside __perf_event_read_cpu() as well before accessing the pmu
> ptr.
>
> Cc: Dapeng Mi <dapeng1.mi@linux.intel.com>
> Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260904181625.1394082-1-vinay.belgaumkar@intel.com?part=2
next prev parent reply other threads:[~2026-09-04 18:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-04 18:16 [PATCH 1/2] perf: Fix null pointer access in is_include_guest_event() Vinay Belgaumkar
2026-09-04 18:16 ` [PATCH 2/2] perf: Add checks to prevent null ptr access Vinay Belgaumkar
2026-09-04 18:38 ` sashiko-bot [this message]
2026-09-04 18:49 ` [PATCH 1/2] perf: Fix null pointer access in is_include_guest_event() sashiko-bot
2026-09-07 6:24 ` Mi, Dapeng
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