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 5A70CC433EF for ; Mon, 6 Jun 2022 17:20:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230149AbiFFRUA (ORCPT ); Mon, 6 Jun 2022 13:20:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52534 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229967AbiFFRTD (ORCPT ); Mon, 6 Jun 2022 13:19:03 -0400 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1408C205C0 for ; Mon, 6 Jun 2022 10:18:24 -0700 (PDT) Received: by mail-il1-f197.google.com with SMTP id s15-20020a056e02216f00b002d3d5e41565so11835386ilv.10 for ; Mon, 06 Jun 2022 10:18:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=4VOKrng55xUFb8XUxrJ9wrNLqS7yM56XBhDOi9HaXDU=; b=1eOSwEEg+yXWbplAGVakokG0ygMMYKqGu4GpY9hXDpUU5CCiIdSHDJh/PooI7cTNbA /orU29vLL+SKfhWL5FPiVDA8nVBJBucVLiydbEfGCWvzSYCqa4Q083p16ols5/4xztCQ YjcP64ut3445Emqmm5mEz5/IcUkuItcHectcA//vMMn9ZDzhSfGe7PvOMC/NsorUhCCX P1nUBCl2BjWku603hQV4h4uNYm/NmQFPfuSsw/emgVvlpwDgd4jBE6zttew/apzlH6Sa 4GaxCz/LkeMJNX2qG2pucX/UczyozpslpcADWwhs9Y87lvy4nSgVIIzAy4CNsdKalXmO tIdg== X-Gm-Message-State: AOAM530LPoCnoMgpTuABFA1FtjDIRcPgZQjto9DRdJqiQH8l3O3V1+uM M/Ey+YHmrxacgwOiMJwJBODiALWtFXZNdE7rxMZfa5j353S8 X-Google-Smtp-Source: ABdhPJybRJYSyUBr3aF73q2QVzV51ZFaDL/Epe33Wf7F8YxYZ4eeGkUkJuf+z+1tTdrTvQTjWBeyO1E0TpW/ocoGeHp4jv7/tT00 MIME-Version: 1.0 X-Received: by 2002:a05:6e02:12e3:b0:2d1:583e:32bb with SMTP id l3-20020a056e0212e300b002d1583e32bbmr14321166iln.14.1654535903500; Mon, 06 Jun 2022 10:18:23 -0700 (PDT) Date: Mon, 06 Jun 2022 10:18:23 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000cbe0e605e0caa8e0@google.com> Subject: [syzbot] possible deadlock in corrupted From: syzbot To: 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: d1dc87763f40 assoc_array: Fix BUG_ON during garbage collect git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=125e36ebf00000 kernel config: https://syzkaller.appspot.com/x/.config?x=e652a1bc921d8948 dashboard link: https://syzkaller.appspot.com/bug?extid=5c3c53e6db862466e7b6 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=141cc87df00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12613edbf00000 Bisection is inconclusive: the issue happens on the oldest tested release. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1679bfcbf00000 final oops: https://syzkaller.appspot.com/x/report.txt?x=1579bfcbf00000 console output: https://syzkaller.appspot.com/x/log.txt?x=1179bfcbf00000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5c3c53e6db862466e7b6@syzkaller.appspotmail.com ===================================================== WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected 5.18.0-syzkaller-11972-gd1dc87763f40 #0 Not tainted ----------------------------------------------------- syz-executor227/3609 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: ffff88801b5aa0c0 (&new->fa_lock){....}-{2:2}, at: --- 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. For information about bisection process see: https://goo.gl/tpsmEJ#bisection syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches