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 2DB20C41604 for ; Tue, 6 Oct 2020 08:08:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E86DC2083B for ; Tue, 6 Oct 2020 08:08:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725972AbgJFIIZ (ORCPT ); Tue, 6 Oct 2020 04:08:25 -0400 Received: from mail-il1-f206.google.com ([209.85.166.206]:34170 "EHLO mail-il1-f206.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726002AbgJFIIZ (ORCPT ); Tue, 6 Oct 2020 04:08:25 -0400 Received: by mail-il1-f206.google.com with SMTP id f89so6498313ill.1 for ; Tue, 06 Oct 2020 01:08:24 -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=evtElNGqHX5N518w23DxEdOLqquM8mOgio/iHrWwqt4=; b=NNE7q9hYDJb5v8QHfuPE763QHB+WTZD1DK9ovud1bmVJJqzK+50D2aYVi7fxTuvshr vEVnB39zUzzH9EbswyjYSEy84nyaA30yMaxjSC4rz2H6ZqhM/NUm7KUcW5iZXtXWlh/H JvNylTYoOSL/glqKaTZvvbWyJasLmxstHn6lMFv/jw/NDYO8/mEVqo8qVj8x/SH+OakT PmgvfNKA3Oq+Sbs1DJe29uhgEojYHCrV9W5y+ZFuTIRq8yVwJpJ76/7TdDctSl73e6wM 0+VZz93NBr9fksUG+hBZi/TkRL/8XHSXfOuhRKFJtK5E0SlfcMKdacunS4hi+z8FR8KQ 7hoQ== X-Gm-Message-State: AOAM533zxl71wgxHuugITu2MU/NRfKBxFFcYOKsiuUQ97CGBszEcHBlt IXw2QwzIdXdflhUQA6ye/lDTy4yweIEhwQ+ktWVm7gMhJAyL X-Google-Smtp-Source: ABdhPJyYejaxvp6kprhFYjYKXBDzF+uADGsrF1Ql+wakuviBPIa48x8Am8vcJEhIILtI6PreVCZCpv4fxg/oXitpeMmCw32XBs32 MIME-Version: 1.0 X-Received: by 2002:a6b:3f88:: with SMTP id m130mr154540ioa.78.1601971704014; Tue, 06 Oct 2020 01:08:24 -0700 (PDT) Date: Tue, 06 Oct 2020 01:08:24 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005bac7a05b0fc1ad1@google.com> Subject: WARNING in ieee80211_probe_client From: syzbot To: davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, 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" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: c2568c8c Merge branch 'net-Constify-struct-genl_small_ops' git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=14051a2b900000 kernel config: https://syzkaller.appspot.com/x/.config?x=1e6c5266df853ae dashboard link: https://syzkaller.appspot.com/bug?extid=999fac712d84878a7379 compiler: gcc (GCC) 10.1.0-syz 20200507 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1776330b900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=171f17ff900000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+999fac712d84878a7379@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6910 at net/mac80211/cfg.c:3620 ieee80211_probe_client+0x6ed/0x7f0 net/mac80211/cfg.c:3620 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 6910 Comm: syz-executor290 Not tainted 5.9.0-rc6-syzkaller #0 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+0x198/0x1fd lib/dump_stack.c:118 panic+0x382/0x7fb kernel/panic.c:231 __warn.cold+0x20/0x4b kernel/panic.c:600 report_bug+0x1bd/0x210 lib/bug.c:198 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 RIP: 0010:ieee80211_probe_client+0x6ed/0x7f0 net/mac80211/cfg.c:3620 Code: f9 48 c7 c2 20 77 61 89 be 7b 02 00 00 48 c7 c7 80 77 61 89 c6 05 4c 44 80 03 01 e8 82 1a 85 f9 e9 e3 f9 ff ff e8 13 25 9f f9 <0f> 0b 41 bc ea ff ff ff e9 51 fe ff ff e8 91 e8 e0 f9 e9 de fc ff RSP: 0018:ffffc900056e74f0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888093710000 RCX: ffffffff87d761d8 RDX: ffff888092e18280 RSI: ffffffff87d7629d RDI: 0000000000000005 RBP: ffff88809a47e020 R08: 0000000000000001 R09: ffffffff8d10d9e7 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888089750c80 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 rdev_probe_client net/wireless/rdev-ops.h:929 [inline] nl80211_probe_client+0x3b7/0xc80 net/wireless/nl80211.c:12734 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:739 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800 netlink_rcv_skb+0x15a/0x430 net/netlink/af_netlink.c:2489 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:671 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2353 ___sys_sendmsg+0xf3/0x170 net/socket.c:2407 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2440 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x442169 Code: e8 ac 00 03 00 48 83 c4 18 c3 0f 1f 80 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 0f 83 7b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fff7f75b898 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442169 RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000004 RBP: 000000306e616c77 R08: 0000002000000000 R09: 0000002000000000 R10: 0000002000000000 R11: 0000000000000246 R12: 000000000000ee9b R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 Kernel Offset: disabled Rebooting in 86400 seconds.. --- 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