From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8B542C4332F for ; Sun, 20 Nov 2022 21:51:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229699AbiKTVvp (ORCPT ); Sun, 20 Nov 2022 16:51:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50778 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229489AbiKTVvn (ORCPT ); Sun, 20 Nov 2022 16:51:43 -0500 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AB37D1DDCA for ; Sun, 20 Nov 2022 13:51:41 -0800 (PST) Received: by mail-il1-f197.google.com with SMTP id c4-20020a056e020bc400b0030098df879dso7383816ilu.6 for ; Sun, 20 Nov 2022 13:51:41 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=P7wGAMcIVofRqI8zstaVUtFUGyhqG2P4qJdj3ueLM4o=; b=aCmkiEGZ9/kywI+yQYzlv/gAOZwFBinn+SvWxvDgo2kScwxjUqr94EWzfC4esSjy7a VVQFHuDKRNiHso73DpHgX28HhnVLklZOqSHmj5XvoECcqrIfSjhDk/2+c1zcoGKcsSeF 0Usye0yxMcFcmdkkkxHa+x+p3Jve7/qd20t1UErrIRgeJ5WugChKHYS2NUMZ2ZQRETyi hdMf9nm4mZgwzBoVXJKUQ9EzCSKmbkIqMI0KeygRPBYqQZGzl6v2MDUZuzYOB6o9Ufvc p0YbNyCnJgE/DBYezWlouq9VDFt7g2O2ayceFnpeMUZq59O2JNNtOkr4D+lJ1497vmgM aXtw== X-Gm-Message-State: ANoB5pnqEIQotUWAXmuVy1IFklltDrBucbTWyN5zY1uQtUc8dxeL7xkU Q/ARYVfksCyKIJsKZnSI2cMaAsZGqY/zxKKaDhplS5bQxr9h X-Google-Smtp-Source: AA0mqf4LjfznLu+pROq3l3HGoPzd1ylEPt85FP+WIzNnbDOpRogNEd6sqoStItjFPSN1tOTF/VK31QwUhgWB/uACPn6zjREmMcmH MIME-Version: 1.0 X-Received: by 2002:a6b:c844:0:b0:6db:fe34:6948 with SMTP id y65-20020a6bc844000000b006dbfe346948mr190016iof.209.1668981101039; Sun, 20 Nov 2022 13:51:41 -0800 (PST) Date: Sun, 20 Nov 2022 13:51:41 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000aa181605ededf1fa@google.com> Subject: [syzbot] memory leak in binder_transaction (2) From: syzbot To: arve@android.com, brauner@kernel.org, cmllamas@google.com, gregkh@linuxfoundation.org, joel@joelfernandes.org, linux-kernel@vger.kernel.org, maco@android.com, surenb@google.com, syzkaller-bugs@googlegroups.com, tkjos@android.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 59d0d52c30d4 AMerge tag 'netfs-fixes-20221115' of git://gi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14a7b445880000 kernel config: https://syzkaller.appspot.com/x/.config?x=435fb8cdd395f932 dashboard link: https://syzkaller.appspot.com/bug?extid=7f10c1653e35933c0f1e compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=114a3b35880000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/854c98a663e0/disk-59d0d52c.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/233c8e05ab54/vmlinux-59d0d52c.xz kernel image: https://storage.googleapis.com/syzbot-assets/7254f9286f1d/bzImage-59d0d52c.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+7f10c1653e35933c0f1e@syzkaller.appspotmail.com BUG: memory leak unreferenced object 0xffff88811b0bbe00 (size 32): comm "syz-executor.1", pid 4041, jiffies 4294986632 (age 15.340s) hex dump (first 32 bytes): 00 be 0b 1b 81 88 ff ff 00 be 0b 1b 81 88 ff ff ................ 03 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmalloc_trace+0x20/0x90 mm/slab_common.c:1045 [] kmalloc include/linux/slab.h:553 [inline] [] kzalloc include/linux/slab.h:689 [inline] [] binder_transaction+0xc53/0x3f20 drivers/android/binder.c:3128 [] binder_thread_write+0x5d3/0x1790 drivers/android/binder.c:3975 [] binder_ioctl_write_read drivers/android/binder.c:5034 [inline] [] binder_ioctl+0x22fb/0x3a30 drivers/android/binder.c:5321 [] vfs_ioctl fs/ioctl.c:51 [inline] [] __do_sys_ioctl fs/ioctl.c:870 [inline] [] __se_sys_ioctl fs/ioctl.c:856 [inline] [] __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:856 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches