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 autolearn=ham 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 17A23C10F0E for ; Fri, 12 Apr 2019 11:46:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DC2EE2171F for ; Fri, 12 Apr 2019 11:46:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727625AbfDLLqO (ORCPT ); Fri, 12 Apr 2019 07:46:14 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:48189 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726244AbfDLLqN (ORCPT ); Fri, 12 Apr 2019 07:46:13 -0400 Received: by mail-io1-f70.google.com with SMTP id 186so7530738iox.15 for ; Fri, 12 Apr 2019 04:46:12 -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=ENy4F9rTcWLTqPNE6+J9Evm52EouIxRgZ0Kn90Fdp4M=; b=H+YY1kA1hY76cg/qw31tzPkzhx9/a8qML/hBcn/w9NNPnlKcDiu1k4QteEri2lWI8p JpsEY+6L78JdHEftl7n4Btt9EjioyTTbLeHv9y8ojWlpJ+wxOkioeT59JRu5/OQaeOaG cA5c5F+dka6BIrb/mgiJDCNme1M1tWMDe1otPdg4j9dIJ/0UPYIAfAS91J5toeoeEPP4 cFJltMKRILeMrO7ZCRI3pQbrBbtHI3ILsqGUvzKqOh4SmJEBUb+d3atziTM+v6rTsp/3 ahySaY5/rzQbEbgZwvjj9lZj3sKNIRvVPWpmIwvwkDyW1QuPcezih80QPl1zT3IFAvHq fv+Q== X-Gm-Message-State: APjAAAU0pKhjuzB2XyFaZX8Zh7DAxvv3sYyEr1jvk/MJlvvQnyIpaVNY ygnI+YUbyjntSAt3wROAR/AtqIUnZoFBduiofwcQwUzfWGJK X-Google-Smtp-Source: APXvYqw74ctPaHPh1MLSTkrvFAVH6hx3mTI6NpNfll7bal8ZvqzH6V1uSGVTcaIygdTRFl6KPzSKwTgqHDjfqF05QKO0SFEfB6A+ MIME-Version: 1.0 X-Received: by 2002:a6b:c403:: with SMTP id y3mr3171480ioa.38.1555069572325; Fri, 12 Apr 2019 04:46:12 -0700 (PDT) Date: Fri, 12 Apr 2019 04:46:12 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000075a7a6058653d977@google.com> Subject: WARNING in zd_mac_clear From: syzbot To: andreyknvl@google.com, davem@davemloft.net, dsd@gentoo.org, kune@deine-taler.de, kvalo@codeaurora.org, linux-kernel@vger.kernel.org, linux-usb@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-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 9a33b369 usb-fuzzer: main usb gadget fuzzer driver git tree: https://github.com/google/kasan/tree/usb-fuzzer console output: https://syzkaller.appspot.com/x/log.txt?x=101a06dd200000 kernel config: https://syzkaller.appspot.com/x/.config?x=23e37f59d94ddd15 dashboard link: https://syzkaller.appspot.com/bug?extid=74c65761783d66a9c97c compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1170c22d200000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1496adbb200000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+74c65761783d66a9c97c@syzkaller.appspotmail.com usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? usb 1-1: reset low-speed USB device number 2 using dummy_hcd usb 1-1: read over firmware interface failed: -71 usb 1-1: reset low-speed USB device number 2 using dummy_hcd WARNING: CPU: 1 PID: 21 at drivers/net/wireless/zydas/zd1211rw/zd_mac.c:238 zd_mac_clear+0xb0/0xe0 drivers/net/wireless/zydas/zd1211rw/zd_mac.c:238 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.1.0-rc4-319354-g9a33b36 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xe8/0x16e lib/dump_stack.c:113 panic+0x29d/0x5f2 kernel/panic.c:214 __warn.cold+0x20/0x48 kernel/panic.c:571 report_bug+0x262/0x2a0 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+0x130/0x1f0 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x40 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:zd_mac_clear+0xb0/0xe0 drivers/net/wireless/zydas/zd1211rw/zd_mac.c:238 Code: e8 85 d0 60 f8 48 8d bb f8 2b 00 00 be ff ff ff ff e8 54 5a 46 f8 31 ff 89 c3 89 c6 e8 d9 d1 60 f8 85 db 75 d4 e8 60 d0 60 f8 <0f> 0b 5b 5d e9 57 d0 60 f8 48 c7 c7 58 05 cb 93 e8 fb e0 97 f8 eb RSP: 0018:ffff8880a85c7310 EFLAGS: 00010293 RAX: ffff8880a84de200 RBX: 0000000000000000 RCX: ffffffff8910f507 RDX: 0000000000000000 RSI: ffffffff8910f510 RDI: 0000000000000005 RBP: 0000000000000001 R08: ffff8880a84de200 R09: ffffed1012f83a0b R10: ffffed1012f83a0a R11: ffff888097c1d057 R12: 00000000ffffffb9 R13: ffff888097c18b20 R14: ffff888099456630 R15: ffffffff8f979398 probe+0x259/0x590 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1421 usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361 really_probe+0x2da/0xb10 drivers/base/dd.c:509 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021 generic_probe+0xa2/0xda drivers/usb/core/generic.c:210 usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266 really_probe+0x2da/0xb10 drivers/base/dd.c:509 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534 hub_port_connect drivers/usb/core/hub.c:5089 [inline] hub_port_connect_change drivers/usb/core/hub.c:5204 [inline] port_event drivers/usb/core/hub.c:5350 [inline] hub_event+0x138e/0x3b00 drivers/usb/core/hub.c:5432 process_one_work+0x90f/0x1580 kernel/workqueue.c:2269 worker_thread+0x9b/0xe20 kernel/workqueue.c:2415 kthread+0x313/0x420 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 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#status for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches