From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) (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 2C4CD7081C for ; Wed, 16 Jul 2025 00:55:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752627305; cv=none; b=jV31Vgcb4SaXS5bFuyazh22X51rNTV+6zVfdqZPA5CcZ27OsnS4/bWhDv43EG0aa26WtYCJBHdLX7N7QNBCzb303VWrF5Hl84L+hZD3sHPUCADTVB0s3DlSb6oDzpgPQIvKtgU9abdTmlkszLK/MTL4B+tCXqwgbqf5iq8pZmtY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752627305; c=relaxed/simple; bh=DP8GiTDr7LONFqWrhR2oRaGbm4kOyXlAQ88DKWR6cFE=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=TlfDQtYZMcLmPKCi5Hb0Wk2yh3JvKi3dFnRm7afbD/sT9jGB2g72+tZidQnHw68bnePDeRYksqMgjJHuGCqfdDx8j78YnkKSk6qU9phw8g0I4ULqfnk35mElFGUGOnXKBva8S8piDHzFvqaQHjUm8p1Pf1XjFnvomcC3Ljvpdqk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.69 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f69.google.com with SMTP id ca18e2360f4ac-879489ddf11so1168591939f.3 for ; Tue, 15 Jul 2025 17:55:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752627302; x=1753232102; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=MTgObeiSF+es4KOes8znjLU8b3MFA9dVOpbWT9GtXpo=; b=KxUFosKhcaNZXJhtQNWDe9vGpaqAXLbmvPWcCbfpTYFD9i5VxYLxrjYuMmbLp726Xg 5/Jc5ExxLqMPeerteRPrJLqNOTYh6WOte+/gJ46OSxZFisvT79QPaSZlGS4okNe1t2Zd /t/OTRQFwbMoyoGC6QgQwHq3EACAozQEXj8tuV9dwBZNQoVuj996VltSM+Z/KevNYXrb 0EeQXBvf8hWU2y/cPhPPMfOgjmFipUIvoYvdPBo3fKVZe+5lc8gNOxVwI6a7Q1h13hpt VGkrIgrB5kEBo/gvGFWGVJheFaiNCiuoiKp8BZS3YJyRASi46bOx8U+aEQ3eu6uCLyXT xEOQ== X-Forwarded-Encrypted: i=1; AJvYcCUIbDFTDp4DmG9uasIa6IgqcaSoA/dbCOtrDhxBqzTrJvpDYrYJ7uJMW3pUAcfZzsy3kcZ0Kr4=@vger.kernel.org X-Gm-Message-State: AOJu0YySRnAfQL+tnofQKhpNdDLykYtXy6RHfOKwvyT+plm3M6hWIzfJ mhO3YZ/i/o01jOHMCS0xLlJWYBQIJ5aUwye6c2IHAXhyvfjQIj4upAqs8OKuLquIabE35O4hHd7 ncoiXYyd2DbqnhDU+RjN2SEeh7xgGNpZdsbOtjoTiJ9ml0m8rteFka6ylcAA= X-Google-Smtp-Source: AGHT+IG2Ujec7AL48oA6oc7jrWfZ15/MNGS1ftRczCGlyjHTpMmlvzXzUdU+nJUgpJca62iKOILg8FGu2YvBLz1oL5ZxoVIiFUcI Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:3e9a:b0:86c:fae7:135d with SMTP id ca18e2360f4ac-879c08a24cfmr204755039f.4.1752627302333; Tue, 15 Jul 2025 17:55:02 -0700 (PDT) Date: Tue, 15 Jul 2025 17:55:02 -0700 In-Reply-To: <6876cc3c.a00a0220.3af5df.000a.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6876f866.a00a0220.105e77.0001.GAE@google.com> Subject: Re: [syzbot] [net?] KASAN: slab-use-after-free Read in tcp_prune_ofo_queue From: syzbot To: davem@davemloft.net, dsahern@kernel.org, edumazet@google.com, hdanton@sina.com, horms@kernel.org, kuba@kernel.org, kuniyu@google.com, linux-kernel@vger.kernel.org, ncardwell@google.com, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 1d2fbaad7cd8cc96899179f9898ad2787a15f0a0 Author: Eric Dumazet Date: Fri Jul 11 11:40:05 2025 +0000 tcp: stronger sk_rcvbuf checks bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13b7098c580000 start commit: 55e8757c6962 Merge branch 'net-mctp-improved-bind-handling' git tree: net-next final oops: https://syzkaller.appspot.com/x/report.txt?x=1077098c580000 console output: https://syzkaller.appspot.com/x/log.txt?x=17b7098c580000 kernel config: https://syzkaller.appspot.com/x/.config?x=f8235fb7e74dd7f6 dashboard link: https://syzkaller.appspot.com/bug?extid=9d2a6ef56c3805144bf0 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12494382580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=103327d4580000 Reported-by: syzbot+9d2a6ef56c3805144bf0@syzkaller.appspotmail.com Fixes: 1d2fbaad7cd8 ("tcp: stronger sk_rcvbuf checks") For information about bisection process see: https://goo.gl/tpsmEJ#bisection