From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout02.posteo.de (mout02.posteo.de [185.67.36.66]) (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 3617B2D0637 for ; Sun, 14 Sep 2025 23:37:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.67.36.66 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757893045; cv=none; b=RSJWvJCpIMwTEJF5IocKyvFz0750OvTiimbjeVjN8vs9OiOvV8hL9jzhl/txegrxGt/N+7To2XNV2D/z1VNHGEjVT7SUVWQkjlgQz0GC7szvzCUzrpTv2Z4miqQcIguuqyDGkMv97YV0q4C24mgISnQedhcZp/tKxMMtXfg3DQk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757893045; c=relaxed/simple; bh=odlrz20IXfc9MUnEwi5nRwEYXd3V+Xkv2SYseouBhLA=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=lkyaIv7jadG0k6k/tdp6w866HZSHTYnzejb8AczFDCkGM4AxxB64yGu0IVriOJhByc5+R3hQQ2sDQg10mwuW5vsFzg52d/SdHh0otWLpne6owDtbfuCU2mU7Oncz1masv67/m20pJNGZtQP6cP11ebV6jRfxCFhKKKa38a+36w8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=posteo.net; spf=pass smtp.mailfrom=posteo.net; dkim=pass (2048-bit key) header.d=posteo.net header.i=@posteo.net header.b=Nu4zsvdB; arc=none smtp.client-ip=185.67.36.66 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=posteo.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=posteo.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=posteo.net header.i=@posteo.net header.b="Nu4zsvdB" Received: from submission (posteo.de [185.67.36.169]) by mout02.posteo.de (Postfix) with ESMTPS id 5E48D240101 for ; Mon, 15 Sep 2025 01:37:16 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=posteo.net; s=2017; t=1757893036; bh=5xTBfcIgxXN2CX1CLHSz7aQ83atl75CzIOg3qYAIU7w=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type: From; b=Nu4zsvdBfdYU3OBXmUfXiAlMIAXTIpKNSYQ+pcZxA2iEjRrS6cjgXj8XS55CFKlrk KO1jdKhOrSSDbNIgJsUgNuLtE3HyYVB360Ht0GMHaZ9zU+BkmZn3UIe55pXVRQ5R89 ki8eJ9VS9Y8Yfcvgkw1OhtmJS9B4TUZytXgs0OQYH2IsJps0rBrhc+TX9lJpUYo3kR OKZ8qAAMEXoJOQar+7YQiGID8ye8+8VDM9iPEaCDbww4br+EGRIwm4efNbTjg4znpH 3XMjgGW0nNFR2C7HdBnZujtFGAynvJAHX34Q4+L5EKQ5vlJVBWZBzpme/zw5cJGsYI tpCoj+guDKJSA== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4cQ4MB58Twz6tn4; Mon, 15 Sep 2025 01:37:10 +0200 (CEST) From: Charalampos Mitrodimas To: syzbot Cc: alexei.starovoitov@gmail.com, andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, eddyz87@gmail.com, edumazet@google.com, haoluo@google.com, horms@kernel.org, jiayuan.chen@linux.dev, john.fastabend@gmail.com, jolsa@kernel.org, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, martin.lau@linux.dev, mykolal@fb.com, netdev@vger.kernel.org, pabeni@redhat.com, sdf@fomichev.me, shuah@kernel.org, song@kernel.org, syzkaller-bugs@googlegroups.com, tj@kernel.org, yangfeng@kylinos.cn, yonghong.song@linux.dev Subject: Re: [syzbot] [net?] WARNING: suspicious RCU usage in corrupted (3) In-Reply-To: <68bf3893.050a0220.192772.0885.GAE@google.com> (syzbot's message of "Mon, 08 Sep 2025 13:12:03 -0700") References: <68bf3893.050a0220.192772.0885.GAE@google.com> Date: Sun, 14 Sep 2025 23:37:15 +0000 Message-ID: <87h5x4obbt.fsf@posteo.net> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain syzbot writes: > syzbot suspects this issue was fixed by commit: > > commit 7f12c33850482521c961c5c15a50ebe9b9a88d1e > Author: Charalampos Mitrodimas > Date: Wed Jun 11 17:20:43 2025 +0000 > > net, bpf: Fix RCU usage in task_cls_state() for BPF programs > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13745562580000 > start commit: 079e5c56a5c4 bpf: Fix error return value in bpf_copy_from_.. > git tree: bpf-next > kernel config: https://syzkaller.appspot.com/x/.config?x=c6c517d2f439239 > dashboard link: https://syzkaller.appspot.com/bug?extid=9767c7ed68b95cfa69e6 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=114915f4580000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15566170580000 > > If the result looks correct, please mark the issue as fixed by replying with: > > #syz fix: net, bpf: Fix RCU usage in task_cls_state() for BPF programs Correct, also did test-run to make sure. #syz fix: net, bpf: Fix RCU usage in task_cls_state() for BPF programs C. Mitrodimas > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection