From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f70.google.com (mail-oo1-f70.google.com [209.85.161.70]) (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 AB4D481724 for ; Sun, 26 Apr 2026 07:50:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777189828; cv=none; b=II+VF6yq6ZDSiHs/K7oJku8Tv3nuVh8hcwfdgk3/DGZiP+vcBW6gJT/bZYrWS2PtnIULJxtDzMs0esV6CAwUR26bhDs5uBo8XHs8ZP8xjfaG9Tbw76It5T8DqlVVg4DlppK9rPcnhH0dy7nYAD7Xu8Fk0rbQoJFEf1NtYCZovaY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777189828; c=relaxed/simple; bh=X+YsVUhtOO10XUs6McuhEtsmxZxW9UM1q17QmApsz7Q=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=M7hMVY8D3FdJJvOWSsfhKkGRcEbVe8tSuy+cMfVXNVMuFQ2zkxYOY6NuV5v3+x7eoKVZmGAPntmCbs57YrP4vdVn6PnE1Y4lTXjf1VOgjvj3oRwFPqHSJYC65ZwibYZxOzX9Lh00IUHCN+ikFqansY5rQWGnZS2NpDH9gs9Wen0= 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=209.85.161.70 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-oo1-f70.google.com with SMTP id 006d021491bc7-679c5ed0942so14077657eaf.1 for ; Sun, 26 Apr 2026 00:50:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777189825; x=1777794625; 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=IMOCF5m0bKpyUEGs8VaUZk8Kp0jdL1PgOlT3V6XuCSg=; b=ahAG/RvOHqeKzgpHUGe5Evcl+Ll2CT8cspRtKPjg3V7Cf4nRCWgrRIoLYtbgiR9/ZH KGAIOmQRfM4tHyXopZnhmkUhyHKxptEiUGpYPe4Xp2F7vRVpncZIdJoQsBl9uR7i8DRZ ajqyNk96P3fh1dHJlSFctzDXvdgUBnWhVsJNUddJhDZpVRK4Ypc+SZ/UyujDBZGQ1fov A6tNn+0KoxjA7PnydTrE5WOR4nrouPsvbnGFZ70qC2E61lZ62MB9vLSSrqR7CB8/xjvR rrqrSXxuXAw8GZpqG0zHqpmGWuXhy8PkXABOZ/2wl0RaY0OH+ATz/DRPXjaWNnAFLTz7 k/Mg== X-Gm-Message-State: AOJu0Yx6u0YsaKdNx6jKWn51HdFGBAwD3lu3CU5h23hOva32atygtvcM SjICjiPkYRsOLoqQeuPMBRiwFKTPj/H9xQCg/s7lTFQPIS6WruwdFReLjXSBqrNW3H8rWsDAl75 yQiRz3j0TJIE2JcVhPn40Cnl7dgyZ9iYYXzCG6zez8mJbJvFN1c8uwcHut6g= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:4b87:b0:694:92fe:54f1 with SMTP id 006d021491bc7-69492fe58e4mr15405441eaf.54.1777189825607; Sun, 26 Apr 2026 00:50:25 -0700 (PDT) Date: Sun, 26 Apr 2026 00:50:25 -0700 In-Reply-To: <69e79944.a00a0220.17a17.001a.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69edc3c1.a00a0220.7773.0023.GAE@google.com> Subject: Forwarded: BUG:[syzbot] [net?] kernel BUG in pn_socket_autobind From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com. *** Subject: BUG:[syzbot] [net?] kernel BUG in pn_socket_autobind Author: suresh.k.chandrappa@gmail.com #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master diff --git a/net/phonet/socket.c b/net/phonet/socket.c index c4af26357144..522512094b13 100644 --- a/net/phonet/socket.c +++ b/net/phonet/socket.c @@ -210,7 +210,8 @@ static int pn_socket_autobind(struct socket *sock) sizeof(struct sockaddr_pn)); if (err != -EINVAL) return err; - BUG_ON(!pn_port(pn_sk(sock->sk)->sobject)); + if (!pn_port(pn_sk(sock->sk)->sobject)) + return -ENOBUFS; return 0; /* socket was already bound */ }