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=-5.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_PASS,URIBL_BLOCKED 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 B8AA5C4360F for ; Fri, 15 Mar 2019 23:42:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8FFC32085A for ; Fri, 15 Mar 2019 23:42:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727606AbfCOXmG (ORCPT ); Fri, 15 Mar 2019 19:42:06 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:38364 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727365AbfCOXmF (ORCPT ); Fri, 15 Mar 2019 19:42:05 -0400 Received: by mail-io1-f72.google.com with SMTP id b16so4185193iot.5 for ; Fri, 15 Mar 2019 16:42:05 -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:message-id:subject:from:to; bh=Nsnf//GuMQcOLFjTV3KKzijAqjmjSSrLGCrx4Ctnfkk=; b=adRRBdqaUprISLDvDN1ikfGkOsxQA7o2Nb/FH+Czc2TsCBfemju0cKdA5Fo8NGB+dT FIx7xVyJkuDj7saTMza+cfGKsv8Kt9aANdyrH/YSnQKMzNuFWqG/0XyyyMKbGRunKDSq puWpdJQjqc2QF+wztN8PsBdoPjHFdQS4AgmMq64lzWvNQQbBg8hmvY8YcsX3durihzWA G9F+EH0B86eEvAqr9TH6hLwdY3c17v2WI36KKTg5Y7h5R0Epjv6l1Nx1iCzN1q8VjEcu p0c6SSEaYx9P3V5A+dWoKFT3XLLafz9xEKhRCteFjGZVoFbskaV87uI6h0XplVlte1y0 bYYA== X-Gm-Message-State: APjAAAXN2Fr6ad3a08bfRfcrzu01/DYHFSegqU43xR0szQGWDfGE/RdT 6QVKJ6ZVnxcfsyl+m+nUY4fdTSr5Yd1lsedjLpHgc2BxkFOP X-Google-Smtp-Source: APXvYqx/kuvGnLBvq2g8RfapgwlNobNMEE/Advf1PfAk8Vm7pN7fKiu+kaJxGNKhi4f1gj40zl5unOtSjHSG0dyt3G2BFEjmX+9e MIME-Version: 1.0 X-Received: by 2002:a02:6a1c:: with SMTP id l28mr3724871jac.8.1552693325006; Fri, 15 Mar 2019 16:42:05 -0700 (PDT) Date: Fri, 15 Mar 2019 16:42:04 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000150ed605842a96af@google.com> Subject: WARNING in wiphy_register (4) From: syzbot To: davem@davemloft.net, johannes@sipsolutions.net, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 3b319ee2 Merge tag 'acpi-5.1-rc1-2' of git://git.kernel.or.. git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=15d8a2d7200000 kernel config: https://syzkaller.appspot.com/x/.config?x=f05902bca21d8935 dashboard link: https://syzkaller.appspot.com/bug?extid=8f91bd563bbff230d0ee compiler: gcc (GCC) 9.0.0 20181231 (experimental) userspace arch: amd64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16590b5f200000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+8f91bd563bbff230d0ee@syzkaller.appspotmail.com netlink: 'syz-executor.5': attribute type 23 has an invalid length. WARNING: CPU: 1 PID: 7527 at net/wireless/core.c:639 wiphy_verify_combinations net/wireless/core.c:639 [inline] WARNING: CPU: 1 PID: 7527 at net/wireless/core.c:639 wiphy_register+0x2200/0x25f0 net/wireless/core.c:784 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7527 Comm: syz-executor.5 Not tainted 5.0.0+ #98 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 panic+0x2cb/0x65c kernel/panic.c:214 __warn.cold+0x20/0x45 kernel/panic.c:571 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:wiphy_verify_combinations net/wireless/core.c:639 [inline] RIP: 0010:wiphy_register+0x2200/0x25f0 net/wireless/core.c:784 Code: 06 f6 de fa 0f 0b 41 bc ea ff ff ff e9 8b e2 ff ff e8 c4 aa b1 fa 48 8b 7c 24 60 e8 fa ee 16 fb e9 a6 de ff ff e8 e0 f5 de fa <0f> 0b 41 bc ea ff ff ff e9 65 e2 ff ff 48 89 df e8 db ee 16 fb e9 RSP: 0018:ffff88808b897190 EFLAGS: 00010293 RAX: ffff88808c448040 RBX: 0000000000000001 RCX: ffffffff869160af RDX: 0000000000000000 RSI: ffffffff86916e50 RDI: 0000000000000004 RBP: ffff88808b8972c8 R08: ffff88808c448040 R09: ffffed10149cb1c1 R10: ffffed10149cb1c0 R11: ffff8880a4e58e05 R12: 0000000000000002 R13: 0000000000000002 R14: 0000000000000800 R15: ffff8880a4e5b974 ieee80211_register_hw+0x1674/0x3c00 net/mac80211/main.c:1128 mac80211_hwsim_new_radio+0x1f16/0x3de0 drivers/net/wireless/mac80211_hwsim.c:2929 hwsim_new_radio_nl+0x9e3/0x1070 drivers/net/wireless/mac80211_hwsim.c:3477 genl_family_rcv_msg+0x6e1/0xd90 net/netlink/genetlink.c:601 genl_rcv_msg+0xca/0x16c net/netlink/genetlink.c:626 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2485 genl_rcv+0x29/0x40 net/netlink/genetlink.c:637 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1925 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:632 ___sys_sendmsg+0x806/0x930 net/socket.c:2137 __sys_sendmsg+0x105/0x1d0 net/socket.c:2175 __do_sys_sendmsg net/socket.c:2184 [inline] __se_sys_sendmsg net/socket.c:2182 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2182 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458079 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f5ae4523c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458079 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ae45246d4 R13: 00000000004c564c R14: 00000000004d9520 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds.. --- This bug 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 bug report. See: https://goo.gl/tpsmEJ#bug-status-tracking for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches