From: syzbot <syzbot+0e22d63dcebb802b9bc8@syzkaller.appspotmail.com>
To: bernie@plugable.com, deller@gmx.de,
dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
syzkaller-bugs@googlegroups.com
Subject: [syzbot] [fbdev?] [usb?] WARNING in dlfb_submit_urb/usb_submit_urb (2)
Date: Wed, 17 May 2023 21:12:46 -0700 [thread overview]
Message-ID: <0000000000004a222005fbf00461@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: a4422ff22142 usb: typec: qcom: Add Qualcomm PMIC Type-C dr..
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=15245566280000
kernel config: https://syzkaller.appspot.com/x/.config?x=2414a945e4542ec1
dashboard link: https://syzkaller.appspot.com/bug?extid=0e22d63dcebb802b9bc8
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1720fd3a280000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=171a73ea280000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/414817142fb7/disk-a4422ff2.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/448dba0d344e/vmlinux-a4422ff2.xz
kernel image: https://storage.googleapis.com/syzbot-assets/d0ad9fe848e2/bzImage-a4422ff2.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+0e22d63dcebb802b9bc8@syzkaller.appspotmail.com
usb 1-1: Read EDID byte 0 failed: -71
usb 1-1: Unable to get valid EDID from device/display
------------[ cut here ]------------
usb 1-1: BOGUS urb xfer, pipe 3 != type 1
WARNING: CPU: 0 PID: 9 at drivers/usb/core/urb.c:504 usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504
Modules linked in:
CPU: 0 PID: 9 Comm: kworker/0:1 Not tainted 6.4.0-rc1-syzkaller-00016-ga4422ff22142 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504
Code: 7c 24 18 e8 7c dc 5a fd 48 8b 7c 24 18 e8 42 ca 0b ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 60 34 cc 86 e8 0a fa 25 fd <0f> 0b e9 58 f8 ff ff e8 4e dc 5a fd 48 81 c5 b8 05 00 00 e9 84 f7
RSP: 0018:ffffc9000009ed48 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: ffff888103650000 RSI: ffffffff81163677 RDI: 0000000000000001
RBP: ffff88810cb32940 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000003
R13: ffff88810cf426b8 R14: 0000000000000003 R15: ffff888104272100
FS: 0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562147be3b70 CR3: 0000000110380000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
dlfb_submit_urb+0x92/0x180 drivers/video/fbdev/udlfb.c:1980
dlfb_set_video_mode+0x21f0/0x2950 drivers/video/fbdev/udlfb.c:315
dlfb_ops_set_par+0x2a7/0x8d0 drivers/video/fbdev/udlfb.c:1111
dlfb_usb_probe+0x149a/0x2710 drivers/video/fbdev/udlfb.c:1743
usb_probe_interface+0x30f/0x960 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:579 [inline]
really_probe+0x240/0xca0 drivers/base/dd.c:658
__driver_probe_device+0x1df/0x4b0 drivers/base/dd.c:800
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:830
__device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:958
bus_for_each_drv+0x149/0x1d0 drivers/base/bus.c:457
__device_attach+0x1e4/0x4b0 drivers/base/dd.c:1030
bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532
device_add+0x112d/0x1a40 drivers/base/core.c:3625
usb_set_configuration+0x1196/0x1bc0 drivers/usb/core/message.c:2211
usb_generic_driver_probe+0xcf/0x130 drivers/usb/core/generic.c:238
usb_probe_device+0xd8/0x2c0 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:579 [inline]
really_probe+0x240/0xca0 drivers/base/dd.c:658
__driver_probe_device+0x1df/0x4b0 drivers/base/dd.c:800
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:830
__device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:958
bus_for_each_drv+0x149/0x1d0 drivers/base/bus.c:457
__device_attach+0x1e4/0x4b0 drivers/base/dd.c:1030
bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532
device_add+0x112d/0x1a40 drivers/base/core.c:3625
usb_new_device+0xcb2/0x19d0 drivers/usb/core/hub.c:2575
hub_port_connect drivers/usb/core/hub.c:5407 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5551 [inline]
port_event drivers/usb/core/hub.c:5711 [inline]
hub_event+0x2e3d/0x4ed0 drivers/usb/core/hub.c:5793
process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>
---
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@googlegroups.com.
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If the bug is already fixed, let syzbot know by replying with:
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next reply other threads:[~2023-05-18 4:12 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-18 4:12 syzbot [this message]
2023-05-18 7:34 ` [syzbot] [fbdev?] [usb?] WARNING in dlfb_submit_urb/usb_submit_urb (2) Helge Deller
2023-05-18 7:34 ` Helge Deller
2023-05-18 7:40 ` syzbot
2023-05-18 13:54 ` Alan Stern
2023-05-18 13:54 ` Alan Stern
2023-05-18 14:16 ` Helge Deller
2023-05-18 14:16 ` Helge Deller
2023-05-18 14:56 ` Alan Stern
2023-05-18 14:56 ` Alan Stern
2023-05-18 19:06 ` Helge Deller
2023-05-18 19:06 ` Helge Deller
2023-05-18 20:35 ` Alan Stern
2023-05-18 20:35 ` Alan Stern
2023-05-18 21:08 ` syzbot
2023-05-19 10:38 ` Helge Deller
2023-05-19 10:38 ` Helge Deller
2023-05-19 15:42 ` Alan Stern
2023-05-19 15:42 ` Alan Stern
2023-05-19 18:40 ` Helge Deller
2023-05-19 18:40 ` Helge Deller
2023-05-19 19:32 ` [PATCH] video: udlfb: Fix endpoint check Alan Stern
2023-05-19 19:51 ` Helge Deller
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