Linux-USB Archive on lore.kernel.org
 help / color / Atom feed
* INFO: trying to register non-static key in usbtouch_reset_resume
@ 2019-05-27 11:38 syzbot
  2019-06-20  9:33 ` syzbot
  0 siblings, 1 reply; 3+ messages in thread
From: syzbot @ 2019-05-27 11:38 UTC (permalink / raw)
  To: andreyknvl, dmitry.torokhov, linux-input, linux-kernel,
	linux-usb, rydberg, syzkaller-bugs

Hello,

syzbot found the following crash on:

HEAD commit:    43151d6c usb-fuzzer: main usb gadget fuzzer driver
git tree:       https://github.com/google/kasan.git usb-fuzzer
console output: https://syzkaller.appspot.com/x/log.txt?x=14a2b45ca00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=95aff7278e7ff25e
dashboard link: https://syzkaller.appspot.com/bug?extid=933daad9be4e67ba91a9
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1776669aa00000

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+933daad9be4e67ba91a9@syzkaller.appspotmail.com

usb 1-1: config 0 descriptor??
usb 1-1: string descriptor 0 read error: -71
hub 1-1:0.189: ignoring external hub
input: USB Touchscreen 08f2:007f as  
/devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.189/input/input6
usb 1-1: reset high-speed USB device number 3 using dummy_hcd
usb 1-1: Using ep0 maxpacket: 8
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.1.0-rc3+ #8
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS  
Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
  __dump_stack lib/dump_stack.c:77 [inline]
  dump_stack+0xca/0x13e lib/dump_stack.c:113
  assign_lock_key kernel/locking/lockdep.c:786 [inline]
  register_lock_class+0x11ae/0x1240 kernel/locking/lockdep.c:1095
  __lock_acquire+0xfb/0x37c0 kernel/locking/lockdep.c:3582
  lock_acquire+0x100/0x2b0 kernel/locking/lockdep.c:4211
  __mutex_lock_common kernel/locking/mutex.c:925 [inline]
  __mutex_lock+0xf9/0x12b0 kernel/locking/mutex.c:1072
  usbtouch_reset_resume+0xb3/0x170  
drivers/input/touchscreen/usbtouchscreen.c:1624
  usb_resume_interface drivers/usb/core/driver.c:1242 [inline]
  usb_resume_interface.isra.0+0x187/0x3a0 drivers/usb/core/driver.c:1210
  usb_resume_both+0x23d/0x780 drivers/usb/core/driver.c:1412
  __rpm_callback+0x287/0x3c0 drivers/base/power/runtime.c:357
  rpm_callback+0x18f/0x230 drivers/base/power/runtime.c:487
  rpm_resume+0x10c2/0x1840 drivers/base/power/runtime.c:851
  __pm_runtime_resume+0x103/0x180 drivers/base/power/runtime.c:1078
  pm_runtime_get_sync include/linux/pm_runtime.h:227 [inline]
  usb_autoresume_device+0x1e/0x60 drivers/usb/core/driver.c:1599
  usb_remote_wakeup+0x7b/0xb0 drivers/usb/core/hub.c:3600
  hub_port_connect_change drivers/usb/core/hub.c:5190 [inline]
  port_event drivers/usb/core/hub.c:5350 [inline]
  hub_event+0x23c9/0x35a0 drivers/usb/core/hub.c:5432
  process_one_work+0x90a/0x1580 kernel/workqueue.c:2269
  process_scheduled_works kernel/workqueue.c:2331 [inline]
  worker_thread+0x7ab/0xe20 kernel/workqueue.c:2417
  kthread+0x30e/0x420 kernel/kthread.c:253
  ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
dummy_hcd dummy_hcd.0: port status 0x00010100 has changes
usb 1-1: USB disconnect, device number 3
usb usb1: dummy_bus_suspend
usb usb1: dummy_bus_resume
dummy_hcd dummy_hcd.0: port status 0x00010101 has changes
dummy_hcd dummy_hcd.0: port status 0x00100503 has changes
usb 1-1: new high-speed USB device number 4 using dummy_hcd
dummy_hcd dummy_hcd.0: port status 0x00100503 has changes
usb 1-1: Using ep0 maxpacket: 8
usb 1-1: config 0 has an invalid interface number: 189 but max is 0
usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder  
of the config
usb 1-1: config 0 has no interface number 0
usb 1-1: config 0 interface 189 altsetting 0 endpoint 0x82 has an invalid  
bInterval 0, changing to 7
usb 1-1: New USB device found, idVendor=08f2, idProduct=007f,  
bcdDevice=97.17
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
usb 1-1: string descriptor 0 read error: -71
hub 1-1:0.189: ignoring external hub
input: USB Touchscreen 08f2:007f as  
/devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.189/input/input7
dummy_hcd dummy_hcd.0: port status 0x00010101 has changes
dummy_hcd dummy_hcd.0: port status 0x00010101 has changes
dummy_hcd dummy_hcd.0: port status 0x00100503 has changes
usb 1-1: reset high-speed USB device number 4 using dummy_hcd
dummy_hcd dummy_hcd.0: port status 0x00100503 has changes
usb 1-1: Using ep0 maxpacket: 8
usb usb1: dummy_bus_suspend
usb usb1: dummy_bus_resume
dummy_hcd dummy_hcd.0: port status 0x00010100 has changes
usb 1-1: USB disconnect, device number 6
usb usb1: dummy_bus_suspend
usb usb1: dummy_bus_resume
dummy_hcd dummy_hcd.0: port status 0x00010101 has changes
dummy_hcd dummy_hcd.0: port status 0x00100503 has changes
usb 1-1: new high-speed USB device number 7 using dummy_hcd
dummy_hcd dummy_hcd.0: port status 0x00100503 has changes
usb 1-1: Using ep0 maxpacket: 8
usb 1-1: config 0 has an invalid interface number: 189 but max is 0
usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder  
of the config
usb 1-1: config 0 has no interface number 0
usb 1-1: config 0 interface 189 altsetting 0 endpoint 0x82 has an invalid  
bInterval 0, changing to 7
usb 1-1: New USB device found, idVendor=08f2, idProduct=007f,  
bcdDevice=97.17
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
usb 1-1: string descriptor 0 read error: -71
hub 1-1:0.189: ignoring external hub
input: USB Touchscreen 08f2:007f as  
/devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.189/input/input10
dummy_hcd dummy_hcd.0: port status 0x00010101 has changes
dummy_hcd dummy_hcd.0: port status 0x00010101 has changes
dummy_hcd dummy_hcd.0: port status 0x00100503 has changes
usb 1-1: reset high-speed USB device number 7 using dummy_hcd
dummy_hcd dummy_hcd.0: port status 0x00100503 has changes
usb 1-1: Using ep0 maxpacket: 8
usb usb1: dummy_bus_suspend


---
This bug 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.

syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot can test patches for this bug, for details see:
https://goo.gl/tpsmEJ#testing-patches

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, back to index

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-05-27 11:38 INFO: trying to register non-static key in usbtouch_reset_resume syzbot
2019-06-20  9:33 ` syzbot
2019-08-13 13:11   ` Andrey Konovalov

Linux-USB Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-usb/0 linux-usb/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-usb linux-usb/ https://lore.kernel.org/linux-usb \
		linux-usb@vger.kernel.org linux-usb@archiver.kernel.org
	public-inbox-index linux-usb


Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.linux-usb


AGPL code for this site: git clone https://public-inbox.org/ public-inbox