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=-3.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 BB86FC433E9 for ; Thu, 18 Feb 2021 19:53:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6063B64EC4 for ; Thu, 18 Feb 2021 19:53:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232268AbhBRTxR (ORCPT ); Thu, 18 Feb 2021 14:53:17 -0500 Received: from mail-io1-f71.google.com ([209.85.166.71]:47644 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231228AbhBRTZF (ORCPT ); Thu, 18 Feb 2021 14:25:05 -0500 Received: by mail-io1-f71.google.com with SMTP id o4so2060066ioh.14 for ; Thu, 18 Feb 2021 11:24:47 -0800 (PST) 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:message-id:subject:from:to; bh=MNizgv5mvQWhBT/s84w4wVfXhQTCYQ+gD1CNu9mQuu4=; b=RTP8HShzwzryADrrnPqG8NGFQJCqfQaqd5OCUqXnLul6lQRwatwj/c0uAmZyXbhBBD clR3EwtvPBbnFBAa+H8dQrt1SOq5LHnJrC/e39s7yQOaZM8LyJTf/+mjFU9CfTM9laQS GW0ma7SPCsccFdTDkdjDInmTecOJb/UZ2jXr+r+gYW0eyM9kaWMYHmWVj7MTnat9OlM0 f7rX2wo0najFBCH7BMfmLGvN6uvnIStLJbI8m5Z8z7v+FjDrY9bqs/pLx5gpflG+6rcN m4P84VTJfVQR9XTfMFeD5pK0nUnAwv3Hi7S9v8LY7Ei7R0f3aZhi2PvKHw+H9l1cpUnS Dt7Q== X-Gm-Message-State: AOAM531X3FvpgO11Mh2mGTQESzcevvnLdmlAW9yPDkEr4jWJM8cQJP2J 09Nmp9R3fBszC8S6z1TX0koOH5i2WjcRVgHB1Y4ZAFPCfTTU X-Google-Smtp-Source: ABdhPJygfiVFf+6UJu1Xxuh6NPoc/nkSTCw7BvJc4CESWo6dfUttZyO9/aMhy4J5sNa+vDjZcwA9lbgm6JUU41SE0YRkBJjt5cKM MIME-Version: 1.0 X-Received: by 2002:a92:cc41:: with SMTP id t1mr594092ilq.27.1613676262080; Thu, 18 Feb 2021 11:24:22 -0800 (PST) Date: Thu, 18 Feb 2021 11:24:22 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000006246f105bba148f9@google.com> Subject: BUG: unable to handle kernel paging request in nl802154_del_llsec_key From: syzbot To: alex.aring@gmail.com, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wpan@vger.kernel.org, netdev@vger.kernel.org, stefan@datenfreihafen.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: f40ddce8 Linux 5.11 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11261a4cd00000 kernel config: https://syzkaller.appspot.com/x/.config?x=67894355b1dbeb07 dashboard link: https://syzkaller.appspot.com/bug?extid=ac5c11d2959a8b3c4806 userspace arch: arm64 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+ac5c11d2959a8b3c4806@syzkaller.appspotmail.com netlink: 164 bytes leftover after parsing attributes in process `syz-executor.1'. Unable to handle kernel paging request at virtual address dfff800000000000 Mem abort info: ESR = 0x96000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 Data abort info: ISV = 0, ISS = 0x00000004 CM = 0, WnR = 0 [dfff800000000000] address between user and kernel address ranges Internal error: Oops: 96000004 [#1] PREEMPT SMP Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 5366 Comm: syz-executor.1 Not tainted 5.11.0-syzkaller #0 Hardware name: linux,dummy-virt (DT) pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) pc : nla_len include/net/netlink.h:1148 [inline] pc : nla_parse_nested_deprecated include/net/netlink.h:1231 [inline] pc : nl802154_del_llsec_key+0x138/0x2c0 net/ieee802154/nl802154.c:1595 lr : genl_family_rcv_msg_doit+0x1b8/0x2a0 net/netlink/genetlink.c:739 sp : ffff000019c57280 x29: ffff000019c57280 x28: ffff80001aa29cc0 x27: ffff000019c576d0 x26: ffff000012280000 x25: 1fffe0000338aeb2 x24: 1fffe0000338ae84 x23: ffff800018380c80 x22: ffff000016174c10 x21: ffff00000fca8000 x20: 0000000000000000 x19: 1fffe0000338ae5a x18: 0000000000000001 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 1fffe0000338adf4 x13: 0000000000000000 x12: ffff60000338ae55 x11: 1fffe0000338ae54 x10: ffff60000338ae54 x9 : 000000000000f1f1 x8 : 000000000000f2f2 x7 : 00000000f3000000 x6 : 1fffe0000338ae90 x5 : 00000000f3f3f3f3 x4 : 0000000000000000 x3 : dfff800000000000 x2 : 0000000000000004 x1 : ffff000019c57450 x0 : 0000000000000001 Call trace: nla_data include/net/netlink.h:1139 [inline] nla_parse_nested_deprecated include/net/netlink.h:1231 [inline] nl802154_del_llsec_key+0x138/0x2c0 net/ieee802154/nl802154.c:1595 genl_family_rcv_msg_doit+0x1b8/0x2a0 net/netlink/genetlink.c:739 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x24c/0x430 net/netlink/genetlink.c:800 netlink_rcv_skb+0x198/0x34c net/netlink/af_netlink.c:2494 genl_rcv+0x38/0x50 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x3e0/0x670 net/netlink/af_netlink.c:1330 netlink_sendmsg+0x610/0xa20 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xc0/0xf4 net/socket.c:672 ____sys_sendmsg+0x548/0x6d0 net/socket.c:2345 ___sys_sendmsg+0xf4/0x170 net/socket.c:2399 __sys_sendmsg+0xbc/0x14c net/socket.c:2432 __do_sys_sendmsg net/socket.c:2441 [inline] __se_sys_sendmsg net/socket.c:2439 [inline] __arm64_sys_sendmsg+0x70/0xa0 net/socket.c:2439 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall arch/arm64/kernel/syscall.c:49 [inline] el0_svc_common.constprop.0+0x110/0x3c0 arch/arm64/kernel/syscall.c:159 do_el0_svc+0xa4/0xd0 arch/arm64/kernel/syscall.c:198 el0_svc+0x20/0x30 arch/arm64/kernel/entry-common.c:365 el0_sync_handler+0x1a4/0x1ac arch/arm64/kernel/entry-common.c:381 el0_sync+0x174/0x180 arch/arm64/kernel/entry.S:699 Code: f2fbffe3 92400a80 11000400 91001282 (38e36883) ---[ end trace dde92eef2b40d315 ]--- --- 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.