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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,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 82C87C433FF for ; Tue, 30 Jul 2019 16:58:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 57CAD216C8 for ; Tue, 30 Jul 2019 16:58:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729626AbfG3Q6J (ORCPT ); Tue, 30 Jul 2019 12:58:09 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:40258 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729490AbfG3Q6G (ORCPT ); Tue, 30 Jul 2019 12:58:06 -0400 Received: by mail-io1-f72.google.com with SMTP id v11so72072908iop.7 for ; Tue, 30 Jul 2019 09:58:06 -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:in-reply-to:message-id:subject :from:to; bh=mSxvpAdL6N4fH/Hu5gQqP4xurABkshFnMu5lEyO1QyQ=; b=pm2JsL+VIox33R/CUyTvYc7v01K/0ifweLujGAthvb/ik+2QWgN1h2DO7K9AJeUFFH zoIghpri4x9eKBPNA7jLE+2QKbVWPtbaSzMjf2EMagNwj9fag7y0CjqsZ5LOjSKheXlq ytqCvCW3rnObgYJt3Hmm1RC6nKEZ6FXdrgybE009Glrk2eFXCpdyB/fj/FO178SK3pc+ lmxsXDH5+eplmLdGm7RAoaBubrIcW0GFMCTYP41l0Hu8AePPVmLyz79gL80xz/6SdpLh XPTKad3UM7nHEiVb5+qn787RWbW+73b4oaUBPtkqAvq8ayMd/CjXQ/1VjiUxQMsE0YxS ptyw== X-Gm-Message-State: APjAAAW2arffzrLzEhuyuSeuOux6gRSMJIdFLa7gjcfcM/fkEB1nUd/N 5uX7jDKeIBCF2LoSeTOt8MycPyzqj56rBYZ0yOuAUd8xcgqp X-Google-Smtp-Source: APXvYqxXG/IlT4HYMEvfo7WVTd5GOs1Vz/yiR1XopLuL+fw5tEIeYsJjbyfDleGdhO2NdW9dOeI5rsKKxAAKnzI+bU3dgFtKwST4 MIME-Version: 1.0 X-Received: by 2002:a5e:9e03:: with SMTP id i3mr37411748ioq.66.1564505885712; Tue, 30 Jul 2019 09:58:05 -0700 (PDT) Date: Tue, 30 Jul 2019 09:58:05 -0700 In-Reply-To: <000000000000161dc3058ed0777c@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000912b79058ee8e939@google.com> Subject: Re: WARNING in usbhid_raw_request/usb_submit_urb From: syzbot To: andreyknvl@google.com, gregkh@linuxfoundation.org, gustavo@embeddedor.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, oneukum@suse.com, stern@rowland.harvard.edu, 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 syzbot has found a reproducer for the following crash on: HEAD commit: 7f7867ff usb-fuzzer: main usb gadget fuzzer driver git tree: https://github.com/google/kasan.git usb-fuzzer console output: https://syzkaller.appspot.com/x/log.txt?x=10619cec600000 kernel config: https://syzkaller.appspot.com/x/.config?x=792eb47789f57810 dashboard link: https://syzkaller.appspot.com/bug?extid=a7a6b9c609b9457c62c6 compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10606c42600000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+a7a6b9c609b9457c62c6@syzkaller.appspotmail.com ------------[ cut here ]------------ usb 2-1: BOGUS urb xfer, pipe 2 != type 2 WARNING: CPU: 1 PID: 7429 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 drivers/usb/core/urb.c:477 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7429 Comm: syz-executor.1 Not tainted 5.3.0-rc2+ #23 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+0xca/0x13e lib/dump_stack.c:113 panic+0x2a3/0x6da kernel/panic.c:219 __warn.cold+0x20/0x4a kernel/panic.c:576 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+0x12b/0x1e0 arch/x86/kernel/traps.c:272 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:291 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1026 RIP: 0010:usb_submit_urb+0x1188/0x13b0 drivers/usb/core/urb.c:477 Code: 4d 85 ed 74 2c e8 38 e8 ed fd 4c 89 f7 e8 70 dc 1a ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 60 cc f8 85 e8 4d b9 c3 fd <0f> 0b e9 20 f4 ff ff e8 0c e8 ed fd 4c 89 f2 48 b8 00 00 00 00 00 RSP: 0018:ffff8881cef0f9d0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff812830fd RDI: ffffed1039de1f2c RBP: 0000000000000000 R08: ffff8881c853e000 R09: fffffbfff115e1a2 R10: fffffbfff115e1a1 R11: ffffffff88af0d0f R12: 0000000000000002 R13: ffff8881d976b0a8 R14: ffff8881d0e02b20 R15: ffff8881d1720600 usb_start_wait_urb+0x108/0x2b0 drivers/usb/core/message.c:57 usb_internal_control_msg drivers/usb/core/message.c:101 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:152 usbhid_set_raw_report drivers/hid/usbhid/hid-core.c:917 [inline] usbhid_raw_request+0x21f/0x640 drivers/hid/usbhid/hid-core.c:1265 hid_hw_raw_request include/linux/hid.h:1079 [inline] hidraw_send_report+0x296/0x500 drivers/hid/hidraw.c:151 hidraw_ioctl+0x5b4/0xae0 drivers/hid/hidraw.c:421 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xd2d/0x1330 fs/ioctl.c:696 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:718 do_syscall_64+0xb7/0x580 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459829 Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f6a91f44c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829 RDX: 0000000020000240 RSI: 00000000c0404806 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6a91f456d4 R13: 00000000004c22c3 R14: 00000000004d5688 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..