From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fra-out-001.esa.eu-central-1.outbound.mail-perimeter.amazon.com (fra-out-001.esa.eu-central-1.outbound.mail-perimeter.amazon.com [18.156.205.64]) (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 2BB93262FC0 for ; Fri, 7 Nov 2025 08:19:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=18.156.205.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762503574; cv=none; b=to2iVJiJs+tel6e6pyZFW0TWR2jKB02hzrV04oc2Mg67kLLLQmNycyehKnwMlFw52wd6y7ukzcrJUCJ6kKGKJZxSG428BsGC33iBi4kIK/6HvEahycerlcNwqXFeZkiCmByg9+yH3UlHXpgd0Zle0j5BFvxQqQMiL+Wb25TDRAI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762503574; c=relaxed/simple; bh=Okz0T+2CL4bs/7/AgL5CQMeGxGIkYXtVvI9MXdL3cO8=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=DdivLNNd1cE+4XDbdWczCmVoXuYTrKqYcjv6gYW4+/T1ZB8xlCS81r7PkyrleHg7UAatp0d8nEvIaxPk9T+QUTcoKUtfYDu2PO7zdce8IbqYTXjlIKGq4xCrvLPFGsm9yWqsG/8jinUxHjtdyQZUfrxBMkjgdKzS2hV4D7wmlTg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com; spf=pass smtp.mailfrom=amazon.com; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b=rb3HwtgN; arc=none smtp.client-ip=18.156.205.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amazon.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b="rb3HwtgN" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1762503573; x=1794039573; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=vN74N/f0kqrLSBtZchQLOpLJra6T02Bk60kvjsc3zFw=; b=rb3HwtgNeJ5a2Z4n7IfaunYshuUAedRXUJEv76FKj1nPTroqjbNr4Yb1 a2m11VIEhFKIThWlzgE20vEkP7+rHJuiFlrczvXoSg/zaq9JVrCBoIilP e267yQEXTWRBpC3mnA7ymqAtg0xlIhrNEOXBb/OaydhZbwz/scQ0Ox6WQ TUeTvbh9lOMctYG+SV+4L8g+QLOUktKQARgzEoHqT/3OHFyUdbe1yQNOs KNIocwpks2M1b+LI9n+JYqa1JvnIlbOfGk5vzBd7uVSqQI5hlo8eSlCSn ZWMTIPnZFoM5bVBzH1SFB9ZvNmpX2eEJEj4NBSGCxYsBKrjBnPduTNApN Q==; X-CSE-ConnectionGUID: 0F7Zf6NzS6mAv0MoBlCXRA== X-CSE-MsgGUID: /wUSzA3kQf2TVJKPaCoyRg== X-IronPort-AV: E=Sophos;i="6.19,286,1754956800"; d="scan'208";a="4808309" Received: from ip-10-6-11-83.eu-central-1.compute.internal (HELO smtpout.naws.eu-central-1.prod.farcaster.email.amazon.dev) ([10.6.11.83]) by internal-fra-out-001.esa.eu-central-1.outbound.mail-perimeter.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Nov 2025 08:19:15 +0000 Received: from EX19MTAEUA001.ant.amazon.com [54.240.197.233:21353] by smtpin.naws.eu-central-1.prod.farcaster.email.amazon.dev [10.0.25.163:2525] with esmtp (Farcaster) id dbff45c3-fe59-4f90-8a9e-0823c34a4a7b; Fri, 7 Nov 2025 08:19:15 +0000 (UTC) X-Farcaster-Flow-ID: dbff45c3-fe59-4f90-8a9e-0823c34a4a7b Received: from EX19D003EUB001.ant.amazon.com (10.252.51.97) by EX19MTAEUA001.ant.amazon.com (10.252.50.192) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.29; Fri, 7 Nov 2025 08:19:13 +0000 Received: from u5934974a1cdd59.ant.amazon.com (10.146.13.221) by EX19D003EUB001.ant.amazon.com (10.252.51.97) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.29; Fri, 7 Nov 2025 08:19:09 +0000 From: Fernand Sieber To: John Stultz CC: , , , , , , , Subject: Re: [tip:sched/core] [sched/fair] 79104becf4: BUG:kernel_NULL_pointer_dereference,address Date: Fri, 7 Nov 2025 10:18:52 +0200 Message-ID: <20251107081852.121111-1-sieberf@amazon.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: <20251106104022.195157-1-sieberf@amazon.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: EX19D035UWA002.ant.amazon.com (10.13.139.60) To EX19D003EUB001.ant.amazon.com (10.252.51.97) Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Thu, Nov 6, 2025 at 3:57 PM John Stultz wrote: > Fernand, Thank you so much for root causing this, and helping validate > the fix works! > I apologise for missing this case in my testing. I'll try to see if I > can include the trinity test in my regular stress testing. > > Do let me know if you do see any other proxy related issues! Hi John, No problem. I'm curious to understand more about the regular stress testing you are referring to, can you give me some pointers please? Thanks, Fernand Amazon Development Centre (South Africa) (Proprietary) Limited 29 Gogosoa Street, Observatory, Cape Town, Western Cape, 7925, South Africa Registration Number: 2004 / 034463 / 07