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 lists.zx2c4.com (lists.zx2c4.com [165.227.139.114]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 99020C4332F for ; Tue, 8 Nov 2022 13:40:48 +0000 (UTC) Received: by lists.zx2c4.com (ZX2C4 Mail Server) with ESMTP id 086bd836; Tue, 8 Nov 2022 13:40:45 +0000 (UTC) Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by lists.zx2c4.com (ZX2C4 Mail Server) with ESMTPS id 71765e43 (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO) for ; Tue, 8 Nov 2022 13:40:43 +0000 (UTC) Received: by mail-io1-f72.google.com with SMTP id f2-20020a5ec602000000b006dc67829888so2423636iok.3 for ; Tue, 08 Nov 2022 05:40:43 -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=lIRjWRyR/WNWUuHmfvOw0G6aB24s/R1ym1OkCgoq76Y=; b=uGG5FuUnL/5Bex1umivgOGqEWp/lSSvt+9EzLQq4kwCc12bKTxN9uqNvCbNaMcv2eN 0Ds3U1whcFZyJ7cGLGmVMNw3mjAqBcOnHrrB8HdeomACqWg6f6UPEQriAktU+y0MmAOD qNnmju6DU1xBC67d8ALX7zJRD7wIO2uV8RdsBWhrQbTaGCch+KF/sHmWTYrCCe3KxJqj +dTCzuHc3mhzpFrQclJ90Oz55sD+ra0BIUcYGMN2CfTyAlobRO6LflIfomdwX5XQaHRU 1trUC5Xv5LFjFcqLUxbdzE21SBxc1xwszy3QeR/7M6RlbE0hztQcFOjbz0UpO5OjIpks uhzA== X-Gm-Message-State: ACrzQf1N/31Rj+lX8gNYHejWfjbI003oS00+GtiXCzmd+bVc0is/xPeT uOFAMioQu4uOZsEvhsjg2FXlyHltCFiIJ2IszXjOiQe8rG8U X-Google-Smtp-Source: AMsMyM6BkDF321uwHJ2d16e816qvxotb/2TSNQsHEBIupCfepvK/BiplQNE6Ub0Mey7VoPu8e5Von7i8j48KDE0L2q6hgihB7pM9 MIME-Version: 1.0 X-Received: by 2002:a92:6a12:0:b0:2f6:3bd1:fbdf with SMTP id f18-20020a926a12000000b002f63bd1fbdfmr30767624ilc.205.1667914842558; Tue, 08 Nov 2022 05:40:42 -0800 (PST) Date: Tue, 08 Nov 2022 05:40:42 -0800 In-Reply-To: <0000000000003687bd05c2b2401d@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b4dae405ecf5af7f@google.com> Subject: Re: [syzbot] BUG: MAX_LOCKDEP_KEYS too low! (2) From: syzbot To: Jason@zx2c4.com, davem@davemloft.net, dvyukov@google.com, edumazet@google.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, penguin-kernel@i-love.sakura.ne.jp, peterz@infradead.org, rdunlap@infradead.org, syzkaller-bugs@googlegroups.com, tonymarislogistics@yandex.com, wireguard@lists.zx2c4.com Content-Type: text/plain; charset="UTF-8" X-BeenThere: wireguard@lists.zx2c4.com X-Mailman-Version: 2.1.30rc1 Precedence: list List-Id: Development discussion of WireGuard List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: wireguard-bounces@lists.zx2c4.com Sender: "WireGuard" syzbot has found a reproducer for the following issue on: HEAD commit: 3577a7611842 Merge branches 'for-next/acpi', 'for-next/kbu.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=15ea3e61880000 kernel config: https://syzkaller.appspot.com/x/.config?x=606e57fd25c5c6cc dashboard link: https://syzkaller.appspot.com/bug?extid=a70a6358abd2c3f9550f compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=168c4c99880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=145d6376880000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/054b1f56af52/disk-3577a761.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/c616835b2a22/vmlinux-3577a761.xz kernel image: https://storage.googleapis.com/syzbot-assets/9825c28b2090/Image-3577a761.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+a70a6358abd2c3f9550f@syzkaller.appspotmail.com netlink: 4 bytes leftover after parsing attributes in process `syz-executor357'. device team6635 entered promiscuous mode 8021q: adding VLAN 0 to HW filter on device team6635 BUG: MAX_LOCKDEP_KEYS too low! turning off the locking correctness validator. CPU: 0 PID: 9692 Comm: syz-executor357 Not tainted 6.1.0-rc4-syzkaller-31844-g3577a7611842 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 Call trace: dump_backtrace+0x1c4/0x1f0 arch/arm64/kernel/stacktrace.c:156 show_stack+0x2c/0x54 arch/arm64/kernel/stacktrace.c:163 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x104/0x16c lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 register_lock_class+0x2e4/0x2f8 kernel/locking/lockdep.c:1326 __lock_acquire+0xa8/0x3084 kernel/locking/lockdep.c:4934 lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5668 __mutex_lock_common+0xd4/0xca8 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 team_vlan_rx_add_vid+0x38/0xd8 drivers/net/team/team.c:1904 vlan_add_rx_filter_info net/8021q/vlan_core.c:211 [inline] __vlan_vid_add net/8021q/vlan_core.c:306 [inline] vlan_vid_add+0x328/0x38c net/8021q/vlan_core.c:336 vlan_device_event+0x200/0xc4c net/8021q/vlan.c:385 notifier_call_chain kernel/notifier.c:87 [inline] raw_notifier_call_chain+0x7c/0x108 kernel/notifier.c:455 __dev_notify_flags+0x170/0x2e8 rtnl_newlink_create+0x460/0x6bc net/core/rtnetlink.c:3372 __rtnl_newlink net/core/rtnetlink.c:3581 [inline] rtnl_newlink+0x728/0xa04 net/core/rtnetlink.c:3594 rtnetlink_rcv_msg+0x484/0x82c net/core/rtnetlink.c:6091 netlink_rcv_skb+0xe8/0x1d4 net/netlink/af_netlink.c:2540 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6109 netlink_unicast_kernel+0xfc/0x1dc net/netlink/af_netlink.c:1319 netlink_unicast+0x164/0x248 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x484/0x584 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg net/socket.c:734 [inline] ____sys_sendmsg+0x2f8/0x440 net/socket.c:2482 ___sys_sendmsg net/socket.c:2536 [inline] __sys_sendmsg+0x1ac/0x228 net/socket.c:2565 __do_sys_sendmsg net/socket.c:2574 [inline] __se_sys_sendmsg net/socket.c:2572 [inline] __arm64_sys_sendmsg+0x2c/0x3c net/socket.c:2572 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581