linux-kernel - WARNING in handle_bug/usb_submit

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Message-ID: <000000000000fefa4f05b0ea5fcd@google.com>
Date:   Mon, 05 Oct 2020 03:59:22 -0700
From:   syzbot <syzbot+9b802f11efb574105ec5@...kaller.appspotmail.com>
To:     andreyknvl@...gle.com, eli.billauer@...il.com,
        gregkh@...uxfoundation.org, gustavoars@...nel.org,
        ingrassia@...genesys.com, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, oneukum@...e.com,
        syzkaller-bugs@...glegroups.com, tiwai@...e.de
Subject: WARNING in handle_bug/usb_submit_urb

Hello,

syzbot found the following issue on:

HEAD commit:    168ae5a7 Merge 5.9-rc8 into usb-next
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
console output: https://syzkaller.appspot.com/x/log.txt?x=12bec877900000
kernel config:  https://syzkaller.appspot.com/x/.config?x=5429f3643ebc37a
dashboard link: https://syzkaller.appspot.com/bug?extid=9b802f11efb574105ec5
compiler:       gcc (GCC) 10.1.0-syz 20200507
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=120aa50b900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=134fa5c0500000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+9b802f11efb574105ec5@...kaller.appspotmail.com

usb 1-1: Manufacturer: syz
usb 1-1: SerialNumber: syz
usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
------------[ cut here ]------------
usb 1-1: BOGUS urb xfer, pipe 1 != type 3
WARNING: CPU: 1 PID: 21 at drivers/usb/core/urb.c:493 usb_submit_urb+0xce2/0x14e0 drivers/usb/core/urb.c:493
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.9.0-rc8-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events request_firmware_work_func
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x107/0x16e lib/dump_stack.c:118
 panic+0x2cb/0x702 kernel/panic.c:231
 __warn.cold+0x20/0x44 kernel/panic.c:600
 report_bug+0x1bd/0x210 lib/bug.c:198
 handle_bug+0x41/0x80 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:usb_submit_urb+0xce2/0x14e0 drivers/usb/core/urb.c:493
Code: 84 04 03 00 00 e8 3e 98 c6 fd 4c 89 ef e8 66 b6 12 ff 41 89 d8 44 89 e1 4c 89 f2 48 89 c6 48 c7 c7 20 b3 5d 86 e8 d0 ba 9a fd <0f> 0b e9 c6 f8 ff ff e8 12 98 c6 fd 48 81 c5 40 06 00 00 e9 f2 f7
RSP: 0018:ffff8881da33f808 EFLAGS: 00010286


---
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@...glegroups.com.

syzbot will keep track of this issue. See:
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syzbot can test patches for this issue, for details see:
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