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=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 52F10C32751 for ; Wed, 7 Aug 2019 14:28:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3198C21E73 for ; Wed, 7 Aug 2019 14:28:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388144AbfHGO2G (ORCPT ); Wed, 7 Aug 2019 10:28:06 -0400 Received: from mail-ot1-f71.google.com ([209.85.210.71]:47556 "EHLO mail-ot1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729999AbfHGO2G (ORCPT ); Wed, 7 Aug 2019 10:28:06 -0400 Received: by mail-ot1-f71.google.com with SMTP id n19so55027114ota.14 for ; Wed, 07 Aug 2019 07:28:06 -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:message-id:subject:from:to; bh=zAWlbgdb3pQmS4BwCPHdIKnI7sWAau7Z6EfGDOBz9uI=; b=uEGRQ9yqOn8bn41dOiDNK7lS9QfPGi83J81Nb76vASYlblfSI7UHnFvQp6WuzKK4SE k0J8UAsMvn/ljZpXXBtF5SoSXcO90kw03gSzLoI0teKFO1prIS7f0e6NjGPsJ2a5nG4o JvqHZFgl+lG8qHn04kf7bcTNSp7DL/lzsMmNiunDfkHw6ytxu/2lKLlkT5kFSnqNgRSV C7CXrDhE8L1klSmhcq/xbk0EL0nQDioJdXxAz9fPooRsRQUW8nLUEXwbirD5+UY6SIEs b4w8ptuOh63Jws8d59CqXCZ6fFeSjYyaN3qMdBqKiO8nNixotgGXXkDbxr7v6NW3Botk 5Qgw== X-Gm-Message-State: APjAAAVLslPnQldT3LJBb7ODHujkJo39pSpnPnyOTFERjuOOUzNEkUlK /lZFcx6GiNSvFbXNcdCImjpda3cq8R2WcI8AFWU4hEgtxZGE X-Google-Smtp-Source: APXvYqyB0Kjbah0mR1vAE9nXijPlczwkAdoxRyrbWmkLdbcwBVc/hhPNvuGRNS7oIqFPf7BXx+CYjvgXsKaeG/fjhLLVK4Y9iKlb MIME-Version: 1.0 X-Received: by 2002:a02:7f15:: with SMTP id r21mr6013150jac.120.1565188085671; Wed, 07 Aug 2019 07:28:05 -0700 (PDT) Date: Wed, 07 Aug 2019 07:28:05 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000da6cf8058f87bfde@google.com> Subject: WARNING in hiddev_ioctl/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, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: e96407b4 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=14f54e26600000 kernel config: https://syzkaller.appspot.com/x/.config?x=cfa2c18fb6a8068e dashboard link: https://syzkaller.appspot.com/bug?extid=5ef817fc02cd64d038a3 compiler: gcc (GCC) 9.0.0 20181231 (experimental) Unfortunately, I don't have any reproducer for this crash yet. IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+5ef817fc02cd64d038a3@syzkaller.appspotmail.com ------------[ cut here ]------------ usb 4-1: BOGUS urb xfer, pipe 2 != type 2 WARNING: CPU: 0 PID: 7794 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: 0 PID: 7794 Comm: syz-executor.4 Not tainted 5.3.0-rc2+ #25 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 28 76 ed fd 4c 89 f7 e8 c0 6d 1a ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 60 e7 18 86 e8 3d 47 c3 fd <0f> 0b e9 20 f4 ff ff e8 fc 75 ed fd 4c 89 f2 48 b8 00 00 00 00 00 RSP: 0018:ffff8881b01178a0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 RDX: 000000000000549e RSI: ffffffff8128a0fd RDI: ffffed1036022f06 RBP: 0000000000000000 R08: ffff8881cfd11800 R09: fffffbfff11acda9 R10: fffffbfff11acda8 R11: ffffffff88d66d47 R12: 0000000000000002 R13: ffff8881cd771828 R14: ffff8881c87e22a0 R15: ffff8881d3f1ac00 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 usb_get_string+0xac/0x1a0 drivers/usb/core/message.c:693 usb_string_sub+0x8b/0x3d0 drivers/usb/core/message.c:737 usb_string+0x32b/0x480 drivers/usb/core/message.c:836 hiddev_ioctl_string.isra.0+0xf5/0x1d0 drivers/hid/usbhid/hiddev.c:576 hiddev_ioctl+0x5b8/0x1550 drivers/hid/usbhid/hiddev.c:682 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:00007f8529fb1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829 RDX: 00000000200001c0 RSI: 0000000081044804 RDI: 0000000000000004 RBP: 000000000075c1c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8529fb26d4 R13: 00000000004c2249 R14: 00000000004d55f8 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#status for how to communicate with syzbot.