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 583E4C4332F for ; Wed, 16 Nov 2022 22:12:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234423AbiKPWMt (ORCPT ); Wed, 16 Nov 2022 17:12:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39116 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234379AbiKPWMs (ORCPT ); Wed, 16 Nov 2022 17:12:48 -0500 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9F71F6A764 for ; Wed, 16 Nov 2022 14:12:47 -0800 (PST) Received: by mail-io1-f69.google.com with SMTP id f25-20020a5d8799000000b006a44e33ddb6so35189ion.1 for ; Wed, 16 Nov 2022 14:12:47 -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:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=wwkn7rTXlAk99V4Ga9mjelyFQlUTwFAAzOyAoCfQ2Rw=; b=2mMW82Vwfi0r9l4GAgYulVxvuZLGaW1BBWCeycGqRO/7eDwuIAe2sjgxXv027EQz1J Mgws1z3zd46ZdYuZzQI9yGiBHb6y6SgvOsov8gYzVZ0x0TsJ8KIXDJ81XRYfNDk5wbvI XFObKb9j1Gy99FZ9cPX3iEqN2ShuRFgXw1p2vk1D6eKyW/vOncSmhPHN6dZHJ1Zum/iU tbDZDUOooFdP8owLSXaRhv1FmXDAA75AZ2yUbnuo/RBQvq/GYNtm2YTyB3iQGSGuWITC tT6NBDAR2P7AyXQ44D/rz484sxeLsRxWgJrJ2VVl1g8AkuHbGuJkoeB7+uAhjAonqkBA cbxg== X-Gm-Message-State: ANoB5pkVhismzh1gSaKgo+Io3SUILJ+AYrotJ1hhq2NgZXfMuD/TpV2O eLYsz66fxLMVkaUeNWdBK+VX+J58xn0/8FEuj3Ij+gb8EHif X-Google-Smtp-Source: AA0mqf4G7sIom4lHW741nUPeSJyHWsaJ6nR/WSmbUjLrYfInseYIPZNSJiZOpXEsIuEWGtv5+o+FD/LSr6dTsak6bI3HSUEqscw5 MIME-Version: 1.0 X-Received: by 2002:a05:6638:33a0:b0:373:83fe:19c0 with SMTP id h32-20020a05663833a000b0037383fe19c0mr11173076jav.156.1668636767019; Wed, 16 Nov 2022 14:12:47 -0800 (PST) Date: Wed, 16 Nov 2022 14:12:47 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c1e64305ed9dc5e8@google.com> Subject: [syzbot] BUG: MAX_LOCKDEP_ENTRIES too low! (3) From: syzbot To: davem@davemloft.net, edumazet@google.com, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 094226ad94f4 Linux 6.1-rc5 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10b21801880000 kernel config: https://syzkaller.appspot.com/x/.config?x=e9039cbe1d7613aa dashboard link: https://syzkaller.appspot.com/bug?extid=b04c9ffbbd2f303d00d9 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/655851ef7ce3/disk-094226ad.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/f1e7de729009/vmlinux-094226ad.xz kernel image: https://storage.googleapis.com/syzbot-assets/849adc218fa0/bzImage-094226ad.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+b04c9ffbbd2f303d00d9@syzkaller.appspotmail.com BUG: MAX_LOCKDEP_ENTRIES too low! turning off the locking correctness validator. CPU: 1 PID: 26581 Comm: syz-executor.4 Not tainted 6.1.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 alloc_list_entry.cold+0x11/0x18 kernel/locking/lockdep.c:1402 add_lock_to_list kernel/locking/lockdep.c:1423 [inline] check_prev_add kernel/locking/lockdep.c:3167 [inline] check_prevs_add kernel/locking/lockdep.c:3216 [inline] validate_chain kernel/locking/lockdep.c:3831 [inline] __lock_acquire+0x3626/0x56d0 kernel/locking/lockdep.c:5055 lock_acquire kernel/locking/lockdep.c:5668 [inline] lock_acquire+0x1df/0x630 kernel/locking/lockdep.c:5633 local_lock_acquire include/linux/local_lock_internal.h:29 [inline] ___slab_alloc+0xe1/0x1400 mm/slub.c:3099 __slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3279 slab_alloc_node mm/slub.c:3364 [inline] __kmem_cache_alloc_node+0x191/0x3e0 mm/slub.c:3437 kmalloc_trace+0x22/0x60 mm/slab_common.c:1045 kmalloc include/linux/slab.h:553 [inline] kzalloc include/linux/slab.h:689 [inline] ref_tracker_alloc+0x14c/0x550 lib/ref_tracker.c:85 __netdev_tracker_alloc include/linux/netdevice.h:3995 [inline] netdev_hold include/linux/netdevice.h:4024 [inline] netdev_hold include/linux/netdevice.h:4019 [inline] qdisc_alloc+0x7b2/0xb00 net/sched/sch_generic.c:974 qdisc_create_dflt+0x75/0x540 net/sched/sch_generic.c:996 attach_one_default_qdisc net/sched/sch_generic.c:1151 [inline] netdev_for_each_tx_queue include/linux/netdevice.h:2440 [inline] attach_default_qdiscs net/sched/sch_generic.c:1169 [inline] dev_activate+0x760/0xcd0 net/sched/sch_generic.c:1228 __dev_open+0x393/0x4d0 net/core/dev.c:1441 dev_open net/core/dev.c:1468 [inline] dev_open+0xe8/0x150 net/core/dev.c:1461 team_port_add drivers/net/team/team.c:1215 [inline] team_add_slave+0x9ff/0x1b80 drivers/net/team/team.c:1984 do_set_master+0x1c8/0x220 net/core/rtnetlink.c:2578 rtnl_newlink_create net/core/rtnetlink.c:3381 [inline] __rtnl_newlink+0x13ac/0x17e0 net/core/rtnetlink.c:3581 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3594 rtnetlink_rcv_msg+0x43a/0xca0 net/core/rtnetlink.c:6091 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2540 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 ____sys_sendmsg+0x712/0x8c0 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmsg+0xf3/0x1c0 net/socket.c:2565 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+0x63/0xcd RIP: 0033:0x7fe8c728b639 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe8c7f81168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fe8c73ac120 RCX: 00007fe8c728b639 RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 RBP: 00007fe8c72e6ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe8c74cfb1f R14: 00007fe8c7f81300 R15: 0000000000022000 8021q: adding VLAN 0 to HW filter on device batadv159 device batadv159 entered promiscuous mode team83: Port device batadv159 added --- This report is generated by a bot. 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