From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D245F47140C; Tue, 21 Jul 2026 20:11:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784664670; cv=none; b=Z1KD9IiPFOoKRd8y8cbHhur5JOVm+EE/PlxwrBffaX/o4KRJEEu+Ln+xpAqX1UxV/IpXjRAgcvIgOkSBdolYAr+Fx9huBLqZb86hZpNntHtWpJiUuWki8VZ364CGhMvC5eGuV2c1x3nqyQVESKyRafHL7nDLWPTOJBrhsNjLV+s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784664670; c=relaxed/simple; bh=LpGptI4gTTNqYY83PgMA7+J2q8/GyYp/FJoKcCehcfQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PzH5Lo/XY57AbvVy8Qr3V29deguHjmCC/r8coXSIrhbFwTXpD7qTP9+zQdfs8wM2lR/BOr3F7iKqUgwINAzWy5O/OgSSb/Q8ioUMknsxEM0p/b3/LxVDjqM4b4YIuVOPIMt0KiN9BIBGXYOQ4NAzEXZJaCO6dFQuBK0ZwRRhWog= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=rUTl8JfS; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="rUTl8JfS" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 42D881F000E9; Tue, 21 Jul 2026 20:11:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784664669; bh=jd39xLY7+ouHBtW80AVnrRKuArklIC6+vI7rrZSIPjU=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=rUTl8JfSHW955GSpT9ZWE0S0SKhZ07kzNZpW/Pzm6JvgxosiuHGR1WMJXTKN2POBj rusp6GSm1gkSnmuhCsHrpbdGRBRsBhIQoTjrBBIvbWFBQqyTO/S3iSVIkl3m4YNwID 4qvtDBkL4dfnPOTRzacOsbjMEo+rknEusVtfnlus= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Wentao Guan , Sasha Levin Subject: [PATCH 6.6 0015/1266] perf: Fix dangling cgroup pointer in cpuctx backport Date: Tue, 21 Jul 2026 17:07:32 +0200 Message-ID: <20260721152442.130874437@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152441.786066624@linuxfoundation.org> References: <20260721152441.786066624@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Wentao Guan recently backport of ("perf: Fix dangling cgroup pointer in cpuctx") use a middle version, so aligned with the upstream commit: commit 3b7a34aebbdf ("perf: Fix dangling cgroup pointer in cpuctx") This is a fix for stable v6.6.143 backport commit, so no upstream commit. Link: https://lore.kernel.org/all/2026070200-uneaten-smock-4130@gregkh/ Fixes: ae1ada0af162 ("perf: Fix dangling cgroup pointer in cpuctx") Signed-off-by: Wentao Guan Signed-off-by: Sasha Levin --- kernel/events/core.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/kernel/events/core.c b/kernel/events/core.c index a4187dea6402a7..73a86db06cc9b1 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -2384,10 +2384,9 @@ __perf_remove_from_context(struct perf_event *event, */ if (flags & DETACH_EXIT) state = PERF_EVENT_STATE_EXIT; - if (flags & DETACH_DEAD) { - event->pending_disable = 1; + if (flags & DETACH_DEAD) state = PERF_EVENT_STATE_DEAD; - } + event_sched_out(event, ctx); if (event->state > PERF_EVENT_STATE_OFF) -- 2.53.0