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 DC7B8C25B4E for ; Sun, 22 Jan 2023 11:14:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229782AbjAVLOZ (ORCPT ); Sun, 22 Jan 2023 06:14:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34620 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229672AbjAVLOY (ORCPT ); Sun, 22 Jan 2023 06:14:24 -0500 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A31481C31E for ; Sun, 22 Jan 2023 03:14:22 -0800 (PST) Received: by mail-il1-f199.google.com with SMTP id 9-20020a056e0220c900b0030f1b0dfa9dso6628057ilq.4 for ; Sun, 22 Jan 2023 03:14:22 -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:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=knvEjaz7f71VMDphq93Ttomb3XiR1RLVfVR0GiG+5yc=; b=oHkMgD+fdA9mj26Kd2NSic4GetpQzfXD+3YpE2bVppLOT4U1k6MohlUSJmch2lxcKo 4hAk8ApAHCh3tGGUJYX0cMWw/7HT23wPKlCf/AOWbsUUzzB4zWxjXYWDrvyebBeql1e5 R62y5lmm4knmjGQBizAbR+DPNVh6qpwzjuMI9dTZqlvEV52vEpQRJEn81YbNQDhXVuy5 NL1IRPN8Q3XkF86DEhhsPiTJCWpinjaS5YduLsx0O3BUFrQmlHUUQCBmSs6KESKclsYP U+A5ZF7781kx6HQbuPhNKXu2nYzgndVUq8eF/HFm1Qb1klUKKcp0Q/0Tq55rk4YwYqdP dISg== X-Gm-Message-State: AFqh2kqTCUPnfrMbmdgvVxC0eVTaN3G/VZ3fpKrgVJ2cUqD0DSwK9gqT B1gybiIG0ugjZ78GxqRAN1Dp8au8ZsUZSo562wB3OHz4SedI X-Google-Smtp-Source: AMrXdXt6XfxN8kz3zBped8n8r4ixtXs+B2FAnQI2vA4E/ji1IGwbPrta94N1OpQJqC7Z8lQSds9Wh2G+0Tw+vpHVK9m46qL2Pr21 MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1090:b0:30d:7fd4:a6dd with SMTP id r16-20020a056e02109000b0030d7fd4a6ddmr2610074ilj.20.1674386061807; Sun, 22 Jan 2023 03:14:21 -0800 (PST) Date: Sun, 22 Jan 2023 03:14:21 -0800 In-Reply-To: <00000000000075a52e05ee97ad74@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000006e58cb05f2d86236@google.com> Subject: Re: [syzbot] [btrfs?] WARNING: kmalloc bug in btrfs_ioctl_send From: syzbot To: akpm@linux-foundation.org, clm@fb.com, dsterba@suse.com, dsterba@suse.cz, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org, w@1wt.eu Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org syzbot has bisected this issue to: commit 7661809d493b426e979f39ab512e3adf41fbcc69 Author: Linus Torvalds Date: Wed Jul 14 16:45:49 2021 +0000 mm: don't allow oversized kvmalloc() calls bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13f2c851480000 start commit: f9ff5644bcc0 Merge tag 'hsi-for-6.2' of git://git.kernel.o.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=100ac851480000 console output: https://syzkaller.appspot.com/x/log.txt?x=17f2c851480000 kernel config: https://syzkaller.appspot.com/x/.config?x=827916bd156c2ec6 dashboard link: https://syzkaller.appspot.com/bug?extid=4376a9a073770c173269 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1775aed7880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11cbcbd0480000 Reported-by: syzbot+4376a9a073770c173269@syzkaller.appspotmail.com Fixes: 7661809d493b ("mm: don't allow oversized kvmalloc() calls") For information about bisection process see: https://goo.gl/tpsmEJ#bisection