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 E69D3C4332F for ; Sun, 1 Jan 2023 13:29:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231146AbjAAN3x (ORCPT ); Sun, 1 Jan 2023 08:29:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50238 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231408AbjAAN3s (ORCPT ); Sun, 1 Jan 2023 08:29:48 -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 C4F083885 for ; Sun, 1 Jan 2023 05:29:45 -0800 (PST) Received: by mail-il1-f197.google.com with SMTP id i14-20020a056e020d8e00b003034b93bd07so16401282ilj.14 for ; Sun, 01 Jan 2023 05:29:45 -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=GJrTYtXkrhxe9xTeCysUakAqqFTIJN+FsVKxmA+OWM4=; b=QvOdxhVpAD7vxxCr3L7hnjDLCdyf6ZPRRvJUGmK56myCzC4/Fvjz2YAI6a2juzp/Ef E4SWBYSwce15/eh6M8U68i1w2Ccu39eN5h7N5nvj520BFCIDyPbFAVjlVsJAhVqfW8qi B7LhWQzIC4AE21UbvS9INUG9sf21JRXxBJt2sTjctMCKa4s3BSfUmGsGUBKUOwv+uxJQ 8CNzkEAzZ7U1mOZIoB84og2ZAA9qzVBvyxJ6hnRXRaOVYGIHdcfd2mC/o0A6/fihpXQf kvz1LPO0KhFl0y+9sxlkg1e/Orz1k9nvRIIUSCjwfW43XBb3gQZ/+LONbLVgT4l3yYRM vsXA== X-Gm-Message-State: AFqh2kpV2r/NyEtAKsIORD42BLqszcNUBP7XT8t7DSifZjJD2iqNXkVm m6khiAL2falFzEeaw0PXSQv1LHGnsY/1j7MTQq9WbW3qgN63 X-Google-Smtp-Source: AMrXdXv2Jri5CVaxogWE649lcSUg9xCzPks/6o+gBH0oIn0IiDMWBc/CZ4bRvZddpzd1bRtiir8l1u9hOsItbPJGMh+dq8cLHulj MIME-Version: 1.0 X-Received: by 2002:a02:9448:0:b0:39d:3dda:5d26 with SMTP id a66-20020a029448000000b0039d3dda5d26mr2796516jai.30.1672579785153; Sun, 01 Jan 2023 05:29:45 -0800 (PST) Date: Sun, 01 Jan 2023 05:29:45 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f3e5f805f133d3f7@google.com> Subject: [syzbot] memory leak in __build_skb (3) From: syzbot To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, kvalo@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, toke@toke.dk 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: 1b929c02afd3 Linux 6.2-rc1 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17b7126c480000 kernel config: https://syzkaller.appspot.com/x/.config?x=a4fb7ad9185f1501 dashboard link: https://syzkaller.appspot.com/bug?extid=e008dccab31bd3647609 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=15ee522f880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16d6e73c480000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/800650ebc0df/disk-1b929c02.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/b1f1852b762a/vmlinux-1b929c02.xz kernel image: https://storage.googleapis.com/syzbot-assets/15ebd3d96567/bzImage-1b929c02.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+e008dccab31bd3647609@syzkaller.appspotmail.com BUG: memory leak unreferenced object 0xffff88810535b500 (size 240): comm "softirq", pid 0, jiffies 4294946605 (age 8.190s) hex dump (first 32 bytes): 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 00 ................ backtrace: [] __build_skb+0x21/0x60 net/core/skbuff.c:377 [] __netdev_alloc_skb+0x14e/0x220 net/core/skbuff.c:657 [] __dev_alloc_skb include/linux/skbuff.h:3165 [inline] [] ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:635 [inline] [] ath9k_hif_usb_rx_cb+0x1d0/0x660 drivers/net/wireless/ath/ath9k/hif_usb.c:686 [] __usb_hcd_giveback_urb+0xfc/0x230 drivers/usb/core/hcd.c:1671 [] usb_hcd_giveback_urb+0x1ab/0x1c0 drivers/usb/core/hcd.c:1754 [] dummy_timer+0x8e4/0x14c0 drivers/usb/gadget/udc/dummy_hcd.c:1988 [] call_timer_fn+0x33/0x1f0 kernel/time/timer.c:1700 [] expire_timers+0xff/0x1d0 kernel/time/timer.c:1751 [] __run_timers kernel/time/timer.c:2022 [inline] [] __run_timers kernel/time/timer.c:1995 [inline] [] run_timer_softirq+0x129/0x2f0 kernel/time/timer.c:2035 [] __do_softirq+0xeb/0x2ef kernel/softirq.c:571 --- 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