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 0073EC433EF for ; Wed, 15 Sep 2021 05:16:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CDCD66121F for ; Wed, 15 Sep 2021 05:16:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236318AbhIOFR0 (ORCPT ); Wed, 15 Sep 2021 01:17:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45824 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229577AbhIOFRY (ORCPT ); Wed, 15 Sep 2021 01:17:24 -0400 Received: from mail-yb1-xb34.google.com (mail-yb1-xb34.google.com [IPv6:2607:f8b0:4864:20::b34]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ACE5BC061574 for ; Tue, 14 Sep 2021 22:16:05 -0700 (PDT) Received: by mail-yb1-xb34.google.com with SMTP id m70so3242173ybm.5 for ; Tue, 14 Sep 2021 22:16:05 -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=5B0+TZksMnndvwWK3f93v1Xnkyo2cNNQSWU9h/st/Qk=; b=J16KnBNUnUZXrBGpt8hsvHC/Jzp8m7DMkbZdWov6VKK5BJn3XRWDDJKbzY3eFoF/VS i6BSR+i1QE1XWXG3dxK4SvdBETA/UOyxQi0pLY48E3NR6Z1vPf05a70f3y5GvMEmqJet L2RVCP8cK76bCVSHEYjaJCWbk2ThtRr6x/XqfGo7cKd8P/0A10NhoIzFtuyBbNlgx4Ir k5wNPIN8QgIgR3LtPbELEXxiTv94bNuu9it0JG6XayKKsXNX2VHNQuzym90prrN1Jq0o 5PPIrdwZHsc8SlMahgOTsqpMd4RT3rpq5a1Mstov0JX4fnO2O1atlhfbKOPWNxHno0h9 fGmw== 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=5B0+TZksMnndvwWK3f93v1Xnkyo2cNNQSWU9h/st/Qk=; b=x6hpg7KEyy6mYddsPklJ+N26IAyu/kSzU8iRhHFUqZXDeCpIdvwMioMIO1x99NKuv0 qvvehVw5iprNotOOFzD8ZXMtT6vpbwRpv8B7bVw9wLoZxbEjg/0d44azjMrLvv6GlN2i Va6wokFH/uccpiK+mPw0hFg8L0r/kBVEJctgA2tNpcx1JmEDDgy7o/FV0rOVM7gN4nHF HhVC+yoy6+t6a5acxVlhDKQP5s3asnB469APKh90FV5DeAYRKdOKWMtdS/SiU6NgsjlS hUiZ1iBb9Egb7jGPv1Au3Z0yvv/XFDdlOlgofSffRC11R78ybeO8LZvXfZMpbjnS2Ntg 5GKA== X-Gm-Message-State: AOAM532Qz6yCsI5GCu9BlhO9PCh1uH6xPiGfdRV/3rfwz3A8WmWS7mWj +VitAJZA74aAE9j9FNUcVz6ldbNc16/SnrRl4vEhCXpVY+/W4Q== X-Google-Smtp-Source: ABdhPJyaP6h974btm1EiB5vEkBxkCp6+9U+o5X1nxS+QGy9jgfkDmYcCNSt5WSGukwsnnLzCefn9FRosRF9xr26Zz58= X-Received: by 2002:a25:2cca:: with SMTP id s193mr4104129ybs.66.1631682964698; Tue, 14 Sep 2021 22:16:04 -0700 (PDT) MIME-Version: 1.0 References: <0000000000006b591e05cb1ffa15@google.com> In-Reply-To: <0000000000006b591e05cb1ffa15@google.com> From: Dmitry Vyukov Date: Wed, 15 Sep 2021 07:15:53 +0200 Message-ID: Subject: Re: [syzbot] WARNING: kmalloc bug in hash_ipmac_create To: syzbot , 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 On Sat, 4 Sept 2021 at 01:51, syzbot wrote: > > Hello, > > syzbot found the following issue on: > > HEAD commit: a9c9a6f741cd Merge tag 'scsi-misc' of git://git.kernel.org.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=176e5ccd300000 > kernel config: https://syzkaller.appspot.com/x/.config?x=1ac29107aeb2a552 > dashboard link: https://syzkaller.appspot.com/bug?extid=cf28dc7802e9fcee1305 > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1076ba86300000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10b3e6a3300000 > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+cf28dc7802e9fcee1305@syzkaller.appspotmail.com #syz dup: WARNING: kmalloc bug in hash_net_create > ------------[ cut here ]------------ > WARNING: CPU: 0 PID: 8431 at mm/util.c:597 kvmalloc_node+0x111/0x120 mm/util.c:597 > Modules linked in: > CPU: 0 PID: 8431 Comm: syz-executor142 Not tainted 5.14.0-syzkaller #0 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 > RIP: 0010:kvmalloc_node+0x111/0x120 mm/util.c:597 > Code: 01 00 00 00 4c 89 e7 e8 ed 11 0d 00 49 89 c5 e9 69 ff ff ff e8 90 55 d1 ff 41 89 ed 41 81 cd 00 20 01 00 eb 95 e8 7f 55 d1 ff <0f> 0b e9 4c ff ff ff 0f 1f 84 00 00 00 00 00 55 48 89 fd 53 e8 66 > RSP: 0018:ffffc90001a27288 EFLAGS: 00010293 > RAX: 0000000000000000 RBX: ffffc90001a273a0 RCX: 0000000000000000 > RDX: ffff8880167301c0 RSI: ffffffff81a3f651 RDI: 0000000000000003 > RBP: 0000000000400dc0 R08: 000000007fffffff R09: 000000000000001f > R10: ffffffff81a3f60e R11: 000000000000001f R12: 0000000400000018 > R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88801767fe00 > FS: 0000000000d00300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 0000000020000006 CR3: 000000001e129000 CR4: 00000000001506f0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > Call Trace: > hash_ipmac_create+0x3dd/0x1220 net/netfilter/ipset/ip_set_hash_gen.h:1524 > ip_set_create+0x782/0x15a0 net/netfilter/ipset/ip_set_core.c:1100 > nfnetlink_rcv_msg+0xbc9/0x13f0 net/netfilter/nfnetlink.c:296 > netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2504 > nfnetlink_rcv+0x1ac/0x420 net/netfilter/nfnetlink.c:654 > netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline] > netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1340 > netlink_sendmsg+0x86d/0xdb0 net/netlink/af_netlink.c:1929 > sock_sendmsg_nosec net/socket.c:704 [inline] > sock_sendmsg+0xcf/0x120 net/socket.c:724 > ____sys_sendmsg+0x6e8/0x810 net/socket.c:2409 > ___sys_sendmsg+0xf3/0x170 net/socket.c:2463 > __sys_sendmsg+0xe5/0x1b0 net/socket.c:2492 > do_syscall_x64 arch/x86/entry/common.c:50 [inline] > do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 > entry_SYSCALL_64_after_hwframe+0x44/0xae > RIP: 0033:0x43f039 > Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 > RSP: 002b:00007fff67f70028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e > RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f039 > RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 > RBP: 0000000000403020 R08: 0000000000000009 R09: 0000000000400488 > R10: 0000000000000001 R11: 0000000000000246 R12: 00000000004030b0 > R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 > > > --- > 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 > > -- > You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@googlegroups.com. > To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/0000000000006b591e05cb1ffa15%40google.com.