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 89354C678D5 for ; Tue, 7 Mar 2023 12:26:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230217AbjCGM0E (ORCPT ); Tue, 7 Mar 2023 07:26:04 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45648 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231282AbjCGMZ7 (ORCPT ); Tue, 7 Mar 2023 07:25:59 -0500 Received: from mail-io1-f79.google.com (mail-io1-f79.google.com [209.85.166.79]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 07F885617F for ; Tue, 7 Mar 2023 04:25:42 -0800 (PST) Received: by mail-io1-f79.google.com with SMTP id i2-20020a5d9e42000000b0074cfcc4ed07so7113130ioi.22 for ; Tue, 07 Mar 2023 04:25:41 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678191941; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=KdhJ/+h1ma2QjcRI282C69n66OwlZ8i2BeR/12hbaTc=; b=bQkb7ggSStsjeFCTeSdS1i0yFmjfkQG84hLyiwfpL19e7yfElFT56wqTDh5yZQoHl9 6sUxtIrEwp3eRQbE/wsQAKV0Nd5Eh/LNnUAtdSKu0lwMoIS0wMTV4ILvivUtRG623wVB sfiOFxgkoEVFi9uSYOxosCfblXD6vFMAUKtnQyhlL2o/6mbiNe1mbLxPqRRbaJWV2LMC D3onD+mZ+L+33Ab8TPzIluGvsDsUvO7mv688ZtkUou6TlMhdxhGAg0P+U9MQIZcNSs+g dLetuYH/RRiWwVAAHGndQhrTNE/DUV0+rdMhVaLdGjhCchhzW1xHvzKYoiMTu4T0f3Gg SNfQ== X-Gm-Message-State: AO0yUKVSksvV7eBmSV/oO4V5FDYDCpXDUPrGuGTu+ph82wrQ29QUiY0y IhKQgnNdC/uPWMMJemtCXf/m2o19XEf0MKnqq58Sa4kztAMI X-Google-Smtp-Source: AK7set/rzEvxhpAWG7X/fwbQjfBQqi4KbxvnLayCvnnVwOhq516MUT+qmCfFoUQ6OqU+SM7NwBcp2DZuXEZjc8LAyv99JJHoVVZv MIME-Version: 1.0 X-Received: by 2002:a6b:907:0:b0:74c:c0b2:953f with SMTP id t7-20020a6b0907000000b0074cc0b2953fmr7225192ioi.3.1678191941356; Tue, 07 Mar 2023 04:25:41 -0800 (PST) Date: Tue, 07 Mar 2023 04:25:41 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000087942f05f64e8201@google.com> Subject: [syzbot] [kernel?] memory leak in copy_process (5) From: syzbot To: brauner@kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.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: 2eb29d59ddf0 Merge tag 'drm-next-2023-03-03-1' of git://an.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14b0efacc80000 kernel config: https://syzkaller.appspot.com/x/.config?x=f5733ca1757172ad dashboard link: https://syzkaller.appspot.com/bug?extid=7699d9e5635c10253a27 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=14cb6df2c80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=177b81e4c80000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/5842412a6a16/disk-2eb29d59.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/8a7aa4fe354c/vmlinux-2eb29d59.xz kernel image: https://storage.googleapis.com/syzbot-assets/6f5ae775a65a/bzImage-2eb29d59.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+7699d9e5635c10253a27@syzkaller.appspotmail.com Warning: Permanently added '10.128.0.246' (ECDSA) to the list of known hosts. executing program executing program BUG: memory leak unreferenced object 0xffff8881053e7f80 (size 128): comm "syz-executor242", pid 5066, jiffies 4294946079 (age 13.220s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] alloc_pid+0x6a/0x560 kernel/pid.c:180 [] copy_process+0x169f/0x26c0 kernel/fork.c:2285 [] kernel_clone+0xf7/0x610 kernel/fork.c:2684 [] __do_sys_clone+0x7c/0xb0 kernel/fork.c:2825 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x39/0xb0 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