linux-kernel - Re: WARNING in hif_usb_send/usb_submit

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Message-ID: <00000000000069707b05b13da267@google.com>
Date:   Fri, 09 Oct 2020 07:19:19 -0700
From:   syzbot <syzbot+f5378bcf0f0cab45c1c6@...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,
        stern@...land.harvard.edu, syzkaller-bugs@...glegroups.com,
        tiwai@...e.de
Subject: Re: WARNING in hif_usb_send/usb_submit_urb

syzbot has found a reproducer for the following issue on:

HEAD commit:    6c8cf369 usb: typec: Add QCOM PMIC typec detection driver
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=14ea791b900000
kernel config:  https://syzkaller.appspot.com/x/.config?x=df3bb4023c36d114
dashboard link: https://syzkaller.appspot.com/bug?extid=f5378bcf0f0cab45c1c6
compiler:       gcc (GCC) 10.1.0-syz 20200507
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1087bfe7900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1327b010500000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+f5378bcf0f0cab45c1c6@...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: 72 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: 72 Comm: kworker/1:2 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:ffff8881d4757808 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: ffff8881d4ffe500 RSI: ffffffff8129efa3 RDI: ffffed103a8eaef3
RBP: ffff8881cde7d800 R08: 0000000000000001 R09: ffff8881db32f50f
R10: 0000000000000000 R11: 0000000000003754 R12: 0000000000000001
R13: ffff8881d1edd0a0 R14: ffff8881d9bc9320 R15: ffff8881d9ba8600
 hif_usb_send_regout drivers/net/wireless/ath/ath9k/hif_usb.c:127 [inline]
 hif_usb_send+0x4c1/0xcf0 drivers/net/wireless/ath/ath9k/hif_usb.c:470
 htc_issue_send drivers/net/wireless/ath/ath9k/htc_hst.c:34 [inline]
 htc_connect_service+0x705/0xa00 drivers/net/wireless/ath/ath9k/htc_hst.c:275
 ath9k_wmi_connect+0xc9/0x190 drivers/net/wireless/ath/ath9k/wmi.c:268
 ath9k_init_htc_services.constprop.0+0xb3/0x640 drivers/net/wireless/ath/ath9k/htc_drv_init.c:146
 ath9k_htc_probe_device+0x25f/0x1e10 drivers/net/wireless/ath/ath9k/htc_drv_init.c:962
 ath9k_htc_hw_init+0x31/0x60 drivers/net/wireless/ath/ath9k/htc_hst.c:501
 ath9k_hif_usb_firmware_cb+0x274/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1220
 request_firmware_work_func+0x126/0x250 drivers/base/firmware_loader/main.c:1006
 process_one_work+0x94c/0x15f0 kernel/workqueue.c:2269
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415
 kthread+0x392/0x470 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Kernel Offset: disabled
Rebooting in 86400 seconds..