Message-ID: <673de7f9.050a0220.363a1b.0011.GAE@google.com>
Date: Wed, 20 Nov 2024 05:45:29 -0800
From: syzbot <syzbot+e3ae1e7f4b88f3e696f5@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, linux-media@...r.kernel.org, 
	linux-usb@...r.kernel.org, mchehab@...nel.org, sean@...s.org, 
	syzkaller-bugs@...glegroups.com
Subject: [syzbot] [media?] [usb?] WARNING in iguanair_get_features/usb_submit_urb

Hello,

syzbot found the following issue on:

HEAD commit:    f868cd251776 Merge tag 'drm-fixes-2024-11-16' of https://g..
git tree:       upstream
console+strace: https://syzkaller.appspot.com/x/log.txt?x=175892c0580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d2aeec8c0b2e420c
dashboard link: https://syzkaller.appspot.com/bug?extid=e3ae1e7f4b88f3e696f5
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10edf1a7980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10d892c0580000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/50674231b58f/disk-f868cd25.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/c6a8d7f6f69f/vmlinux-f868cd25.xz
kernel image: https://storage.googleapis.com/syzbot-assets/5b4f3e883f4a/bzImage-f868cd25.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e3ae1e7f4b88f3e696f5@...kaller.appspotmail.com

usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-1: Product: syz
usb 1-1: Manufacturer: syz
usb 1-1: SerialNumber: syz
usb 1-1: config 0 descriptor??
------------[ cut here ]------------
URB ffff88802128ea00 submitted while active
WARNING: CPU: 0 PID: 972 at drivers/usb/core/urb.c:379 usb_submit_urb+0x1039/0x1930 drivers/usb/core/urb.c:379
Modules linked in:
CPU: 0 UID: 0 PID: 972 Comm: kworker/0:2 Not tainted 6.12.0-rc7-syzkaller-00187-gf868cd251776 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0x1039/0x1930 drivers/usb/core/urb.c:379
Code: 00 eb 66 e8 f9 b9 5b fa e9 79 f0 ff ff e8 ef b9 5b fa c6 05 4c a6 cd 08 01 90 48 c7 c7 80 21 b1 8c 4c 89 ee e8 48 b0 1c fa 90 <0f> 0b 90 90 e9 40 f0 ff ff e8 c9 b9 5b fa eb 12 e8 c2 b9 5b fa 41
RSP: 0018:ffffc9000378ec50 EFLAGS: 00010246
RAX: 60687f36e4038100 RBX: 0000000000000cc0 RCX: ffff88802606bc00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff88802128ea08 R08: ffffffff8155e312 R09: fffffbfff1cf9fd0
R10: dffffc0000000000 R11: fffffbfff1cf9fd0 R12: ffff88802fb894a8
R13: ffff88802128ea00 R14: dffffc0000000000 R15: ffff88802fb89400
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005653c9143738 CR3: 0000000028d30000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 iguanair_send drivers/media/rc/iguanair.c:193 [inline]
 iguanair_get_features+0x1c8/0x7c0 drivers/media/rc/iguanair.c:218
 iguanair_probe+0xb1c/0x1540 drivers/media/rc/iguanair.c:438
 usb_probe_interface+0x645/0xbb0 drivers/usb/core/driver.c:399
 really_probe+0x2b8/0xad0 drivers/base/dd.c:658
 __driver_probe_device+0x1a2/0x390 drivers/base/dd.c:800
 driver_probe_device+0x50/0x430 drivers/base/dd.c:830
 __device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958
 bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:459
 __device_attach+0x333/0x520 drivers/base/dd.c:1030
 bus_probe_device+0x189/0x260 drivers/base/bus.c:534
 device_add+0x856/0xbf0 drivers/base/core.c:3672
 usb_set_configuration+0x1976/0x1fb0 drivers/usb/core/message.c:2210
 usb_generic_driver_probe+0x88/0x140 drivers/usb/core/generic.c:254
 usb_probe_device+0x1b8/0x380 drivers/usb/core/driver.c:294
 really_probe+0x2b8/0xad0 drivers/base/dd.c:658
 __driver_probe_device+0x1a2/0x390 drivers/base/dd.c:800
 driver_probe_device+0x50/0x430 drivers/base/dd.c:830
 __device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958
 bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:459
 __device_attach+0x333/0x520 drivers/base/dd.c:1030
 bus_probe_device+0x189/0x260 drivers/base/bus.c:534
 device_add+0x856/0xbf0 drivers/base/core.c:3672
 usb_new_device+0x104a/0x19a0 drivers/usb/core/hub.c:2651
 hub_port_connect drivers/usb/core/hub.c:5521 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
 port_event drivers/usb/core/hub.c:5821 [inline]
 hub_event+0x2d6d/0x5150 drivers/usb/core/hub.c:5903
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 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>


---
This report is generated by a bot. It may contain errors.
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