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 X-Spam-Level: X-Spam-Status: No, score=-18.2 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8BD74C433EF for ; Wed, 15 Sep 2021 05:14:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 67D8661216 for ; Wed, 15 Sep 2021 05:14:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236203AbhIOFPT (ORCPT ); Wed, 15 Sep 2021 01:15:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45316 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232058AbhIOFPS (ORCPT ); Wed, 15 Sep 2021 01:15:18 -0400 Received: from mail-yb1-xb36.google.com (mail-yb1-xb36.google.com [IPv6:2607:f8b0:4864:20::b36]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2563FC061574 for ; Tue, 14 Sep 2021 22:14:00 -0700 (PDT) Received: by mail-yb1-xb36.google.com with SMTP id a93so3301312ybi.1 for ; Tue, 14 Sep 2021 22:14:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=CF74Yy09ClhLuQTzbR9oIh0ANFqfI+RovIt9FVjZU8M=; b=YydHsKtc2nRCMjBlofbd4kWZwkvTqfEzbOYvMyfUjlDziVSsp8MdHctboT5XDDu7Kc moAFIz9Slmf2DaTUGKLGfbEcP6qJRnqxbj686Mh9vkXsPyIr2+plC44PIJRFGTwwvYEd +rbvfpJpBBJ+zqs21RpOZNSIXxsGA5JAUxxgAiGLfE5iskd4k7tMMive1IRHYGJiY+0c 4VneWo38AdWkBRJj/8w0K58Z21b0MHt/vUKncgUF3onoos/b8LUZbFEFOlGMnVjp4bO0 +DefDCTDBD4oZAYYvFjVWDa1AfSG3SwPEQyTzhDhiXL6cNU5paUgKxIx9zm8Iyc19W79 AqAg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=CF74Yy09ClhLuQTzbR9oIh0ANFqfI+RovIt9FVjZU8M=; b=iSeExpQfH9sCSVRszJ4TR0lj2KGdj9NBq3P4ors1jbVbYSnEVWz+jgeJh+1ZgDxPWW lfRK3adAPkbPlk0qLvDX1hjxxk7kRjaNz7Z0oDCxKRccUjbPbFWswBoybmnmh3sKdNhb EQQ+WbUYJOezOLceZ5vlC+0FafZdtYy6JD6D7qN0f/3w/Gce666MlbNKzb7t9CFyWyLw 0P+22EU8J86tvMSxuPY7x84CmDBEN2e3te9RBPA4aNJMDkWYo01/hPM2az129Q4+rxq0 7G/BwrpBK8kyoExaanCpnoUWEKcp2mkJBWJRjFi4TQvVNLLAL62h0hiAR/M0t6QPlLDt DCaA== X-Gm-Message-State: AOAM533oVsX4uIlpNiBe9vFOD7/SpvuV57lGpHc0MfnrlqqNmYmT2Tbd HejBNycd6gA2jpOTz5ZP7bAWyNwMThl0ZG+5BMe+mA== X-Google-Smtp-Source: ABdhPJym1lIRRfCxjklwLPldc+0MWuyUI0SfMG5HFOjT9g/vsLQOrcYKgajOiXsBc7JPjrEP8VDS2fnUHMj3HM+G/6A= X-Received: by 2002:a25:b09d:: with SMTP id f29mr3600845ybj.257.1631682839197; Tue, 14 Sep 2021 22:13:59 -0700 (PDT) MIME-Version: 1.0 References: <0000000000003166f105cb201ea6@google.com> <00000000000067c79605cb2720bb@google.com> In-Reply-To: <00000000000067c79605cb2720bb@google.com> From: Dmitry Vyukov Date: Wed, 15 Sep 2021 07:13:48 +0200 Message-ID: Subject: Re: [syzbot] WARNING: kmalloc bug in hash_netport_create To: syzbot , syzkaller-bugs@googlegroups.com, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 4 Sept 2021 at 10:23, syzbot wrote: > > 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=113125f5300000 > start commit: a9c9a6f741cd Merge tag 'scsi-misc' of git://git.kernel.org.. > git tree: upstream > final oops: https://syzkaller.appspot.com/x/report.txt?x=133125f5300000 > console output: https://syzkaller.appspot.com/x/log.txt?x=153125f5300000 > kernel config: https://syzkaller.appspot.com/x/.config?x=1ac29107aeb2a552 > dashboard link: https://syzkaller.appspot.com/bug?extid=3f5904753c2388727c6c > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14581b33300000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13579a69300000 > > Reported-by: syzbot+3f5904753c2388727c6c@syzkaller.appspotmail.com > Fixes: 7661809d493b ("mm: don't allow oversized kvmalloc() calls") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection #syz dup: WARNING: kmalloc bug in hash_net_create