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[2604:1380:45d1:ec00::1]) by mx.google.com with ESMTPS id s5-20020a05620a0bc500b007830c3de57fsi4928846qki.239.2024.01.10.11.15.41 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Jan 2024 11:15:41 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-22646-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=f1oRklxr; spf=pass (google.com: domain of linux-kernel+bounces-22646-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-22646-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id B30691C22B00 for ; Wed, 10 Jan 2024 19:15:41 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 229E14E1C7; Wed, 10 Jan 2024 19:15:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="f1oRklxr" Received: from mail-ed1-f52.google.com (mail-ed1-f52.google.com [209.85.208.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DC75A4D5AF; Wed, 10 Jan 2024 19:15:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-ed1-f52.google.com with SMTP id 4fb4d7f45d1cf-555f581aed9so5297990a12.3; Wed, 10 Jan 2024 11:15:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1704914130; x=1705518930; darn=vger.kernel.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=41lpfdueieQfrzn2GM7CXNzHqpSPhXGHpp4P6ZTjuX8=; b=f1oRklxrbPhQbQvcDxp8DzY81YJIrzf2Ym3OzsXbUL5OqkeVRvK3q7QpppiDkdqyA/ +RHXXBvT4WCDRn/zSUULRYEDthNv6/+owOC8LFKCtI9q9Fs2TGatJeYfpz6hCho3Oq8q NZI27o0ItbVXIu4EBlJ69O2StITBpTn6nCikcuriQUJpLbJsgsPkWqPqeOg/PggW1J9J dZfGd2T1a2Xm9WQt6/N9OZFgfXgcLV0Ch2x8zADfFbBwxvptuhNNH7BiuP3lNQgZxmQ7 vODH41K5nBdCQS5RbatpZTaGODshz0JkZP2sHQ0J5wThgXr5F9aOF2VoPRWvRr5xWwo4 XQ+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704914130; x=1705518930; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=41lpfdueieQfrzn2GM7CXNzHqpSPhXGHpp4P6ZTjuX8=; b=qU7MHx8Wyfy0pGB5PqvQLmNucW8mZf81JjJmQHc+7qypWOkMbYJSCorXyZUj7QZSEs g+LeCjOjfGKyV3ZiAOAezPRnzH37vj+kqiJ+TEU9zwmySBzk6RPXY2yTpM07wYvwoo6o PnsScc5cbDaq8cZQbWYHW3nFkcAkJN2CqFZBoaxK7mdNSCzE1p5fWyzkTeeL4blO6om5 tdXDkDUobn8Za1/eHWDoAvHlv5HPThkdl+0pa7dPofIAbG+2LSytSwBIiqoi6nEX9VrO BoPMUQwieGF/89DhuLVnUGUrcdqwrXh09bwh5LYdyKdN9pKo4k94406oLQtxhSAWfFN7 cqAA== X-Gm-Message-State: AOJu0Yxz4Un9hDjs48tOaBw3OuZccwFpw26RmWP0tFZgMpZqmxC0zmM+ jqu2uHmeTz0sTx0KodqxA9J2coeyEpHw8NSOZfu6yFJS X-Received: by 2002:a50:c008:0:b0:558:5fe0:213c with SMTP id r8-20020a50c008000000b005585fe0213cmr753042edb.28.1704914130053; Wed, 10 Jan 2024 11:15:30 -0800 (PST) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20240110091509.1155824-1-nogikh@google.com> In-Reply-To: <20240110091509.1155824-1-nogikh@google.com> From: Andrii Nakryiko Date: Wed, 10 Jan 2024 11:15:18 -0800 Message-ID: Subject: Re: Re: [syzbot] [bpf?] WARNING in __mark_chain_precision (3) To: Aleksandr Nogikh Cc: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, eddyz87@gmail.com, haoluo@google.com, john.fastabend@gmail.com, jolsa@kernel.org, kpsingh@kernel.org, linux-kernel@vger.kernel.org, martin.lau@linux.dev, sdf@google.com, song@kernel.org, syzbot+4d6330e14407721955eb@syzkaller.appspotmail.com, syzkaller-bugs@googlegroups.com, yonghong.song@linux.dev Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, Jan 10, 2024 at 1:15=E2=80=AFAM Aleksandr Nogikh wrote: > > > > #syz fix: 482d548d bpf: handle fake register spill to stack with > > BPF_ST_MEM instruction > > It needs to stay on one line, otherwise only part of the title > is considered. Gmail is not very cooperative here, unfortunately. Thanks! > > #syz fix: bpf: handle fake register spill to stack with BPF_ST_MEM instru= ction