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=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 A4814C433FE for ; Sat, 4 Sep 2021 08:23:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 78CDD61057 for ; Sat, 4 Sep 2021 08:23:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234371AbhIDIYN (ORCPT ); Sat, 4 Sep 2021 04:24:13 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:49739 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233631AbhIDIYM (ORCPT ); Sat, 4 Sep 2021 04:24:12 -0400 Received: by mail-io1-f70.google.com with SMTP id k6-20020a6b3c060000b0290568c2302268so1066753iob.16 for ; Sat, 04 Sep 2021 01:23:11 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=M3toUYP73wjtZjjuGZaluiFGnzByzbicamvbzl2GU/w=; b=sb/PWi9OErz2RWd+4lDkUZCYoCQ5H5ZWRgJSdV76xyJg7D3xXyuG3ClQ/9pehBi+Oc Vv81Rj6t9WaEaZwHlbQtb5Y1wx89W25uTy6nLoYtl+BjHdbTLZDM7zBbEk9DIHDKfPtD 1nu5WjFRbiI7gOSr0cICSNcijJevz/4W3uGRwyvihnHOqY9gNzswWqkrQZ5E13zutUVs eyhtLu51KiqW+J9eHg8+5YrOA1fYO/RM2UcDkTr6IAjKwGWQJs/Ar2WSmTieHh6czeOH m4Ukqke8kwkN+pmcyA+0RbM2xyH7h8c04JvBdsq7ibn2cJj6ROhKbksGP1IdaJSw4OIL 6cPQ== X-Gm-Message-State: AOAM531MFiOpT8las/PIEzd5SNHFXp9KGF/6zJ9MhWux2fPgeNMCIr2o KdsryjxIbU/wcaEb90smqnu77VP44tS0o4R6L3GmZDHzhE9z X-Google-Smtp-Source: ABdhPJz3nU0+9fHDM9jpojjeZT6ijTGdbtoJlUBtgSHEtb4+BB6TZlWcNDnkyxKIOI/Pw8b3cTxJ3iM9/EBYgvrmkdZYQKhrS7Y4 MIME-Version: 1.0 X-Received: by 2002:a92:d282:: with SMTP id p2mr1977515ilp.259.1630743791386; Sat, 04 Sep 2021 01:23:11 -0700 (PDT) Date: Sat, 04 Sep 2021 01:23:11 -0700 In-Reply-To: <0000000000003166f105cb201ea6@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000067c79605cb2720bb@google.com> Subject: Re: [syzbot] WARNING: kmalloc bug in hash_netport_create From: syzbot To: akpm@linux-foundation.org, coreteam@netfilter.org, davem@davemloft.net, eric.dumazet@gmail.com, fw@strlen.de, kadlec@netfilter.org, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.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: netdev@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=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