linux-kernel - Re: [syzbot] [usb?] [bluetooth?] WARNING in btusb_submit_intr_urb/usb_submit

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Message-ID: <000000000000d6c39d061bcdb82c@google.com>
Date: Wed, 26 Jun 2024 09:44:03 -0700
From: syzbot <syzbot+8693a0bb9c10b554272a@...kaller.appspotmail.com>
To: linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-usb@...r.kernel.org, luiz.dentz@...il.com, marcel@...tmann.org, 
	stern@...land.harvard.edu, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [usb?] [bluetooth?] WARNING in btusb_submit_intr_urb/usb_submit_urb

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
WARNING in btusb_submit_intr_urb/usb_submit_urb

btusb 1-1:0.0: Pipe 404d8280 ep ffff8880234bee00
usb 1-1: Error pipe 404d8280 ep ffff8880234beea0 epaddr 8b
------------[ cut here ]------------
usb 1-1: BOGUS urb xfer, pipe 1 != type 3
WARNING: CPU: 1 PID: 53 at drivers/usb/core/urb.c:507 usb_submit_urb+0xbfa/0x17e0 drivers/usb/core/urb.c:506
Modules linked in:
CPU: 1 PID: 53 Comm: kworker/u9:0 Not tainted 6.10.0-rc4-syzkaller-00164-g66cc544fd75c-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: hci1 hci_power_on
RIP: 0010:usb_submit_urb+0xbfa/0x17e0 drivers/usb/core/urb.c:506
Code: f0 48 c1 e8 03 0f b6 04 18 84 c0 0f 85 8c 08 00 00 45 8b 06 48 c7 c7 c0 90 6d 8c 48 8b 34 24 4c 89 fa 89 e9 e8 a7 99 3c fa 90 <0f> 0b 90 90 45 89 e6 4c 89 f7 48 c7 c6 b0 4b f2 8e e8 10 6f 7a fa
RSP: 0018:ffffc90000bd77a0 EFLAGS: 00010246
RAX: 7b355395d6059e00 RBX: dffffc0000000000 RCX: ffff8880157d5a00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff81585822 R09: 1ffff9200017ae94
R10: dffffc0000000000 R11: fffff5200017ae95 R12: 0000000000000002
R13: ffff888018acd300 R14: ffffffff8c6d8e68 R15: ffff888023a90c60
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055da0d81ae28 CR3: 000000000e132000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btusb_submit_intr_urb+0x4a2/0x890 drivers/bluetooth/btusb.c:1410
 btusb_open+0x1a1/0x770 drivers/bluetooth/btusb.c:1866
 hci_dev_open_sync+0x2cc/0x2b40 net/bluetooth/hci_sync.c:4889
 hci_dev_do_open net/bluetooth/hci_core.c:485 [inline]
 hci_power_on+0x1c7/0x6b0 net/bluetooth/hci_core.c:1012
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3393
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>


Tested on:

commit:         66cc544f Merge tag 'dmaengine-fix-6.10' of git://git.k..
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=1503e301980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=3f7b9f99610e0e87
dashboard link: https://syzkaller.appspot.com/bug?extid=8693a0bb9c10b554272a
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=13ec9e82980000