[syzbot] [usb?] WARNING in trace_suspend_resume/usb_submit_urb (2)
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syzbot
11:26 AM (12 hours ago) 11:26 AM
to da...@ixit.cz, linux-...@vger.kernel.org, linu...@vger.kernel.org, oe-lin...@lists.linux.dev, syzkall...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 848acc8ffe1b Merge tag 'fsverity-for-linus' of git://git.k..
git tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master
console output: https://syzkaller.appspot.com/x/log.txt?x=11e47649580000
kernel config: https://syzkaller.appspot.com/x/.config?x=db7ba9edb9755fc1
dashboard link: https://syzkaller.appspot.com/bug?extid=2bb585d2cfddda02795c
compiler: arm-linux-gnueabi-gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
userspace arch: arm
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/98a89b9f34e4/non_bootable_disk-848acc8f.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/ed18b055a7ce/vmlinux-848acc8f.xz
kernel image: https://storage.googleapis.com/syzbot-assets/d9e1502ff007/zImage-848acc8f.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2bb585...@syzkaller.appspotmail.com
usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 2-1: Product: syz
usb 2-1: Manufacturer: syz
usb 2-1: SerialNumber: syz
------------[ cut here ]------------
WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x62c/0x63c drivers/usb/core/urb.c:379, CPU#1: kworker/1:10/3926
URB 864e79c0 submitted while active
Modules linked in:
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 1 UID: 0 PID: 3926 Comm: kworker/1:10 Not tainted syzkaller #0 PREEMPT
Hardware name: ARM-Versatile Express
Workqueue: usb_hub_wq hub_event
Call trace:
[<80201998>] (dump_backtrace) from [<80201a8c>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
r7:82a20f78 r6:00000000 r5:8233307c r4:00000001
[<80201a74>] (show_stack) from [<8021e5fc>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201a74>] (show_stack) from [<8021e5fc>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120)
[<8021e5a0>] (dump_stack_lvl) from [<8021e628>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
r7:82a20f78 r6:00000000 r5:84edee40 r4:82c83d40
[<8021e610>] (dump_stack) from [<80202590>] (vpanic+0x114/0x320 kernel/panic.c:651)
[<8020247c>] (vpanic) from [<802027d0>] (trace_suspend_resume+0x0/0x100 kernel/panic.c:788)
r7:80f4c394
[<8020279c>] (panic) from [<80250a80>] (check_panic_on_warn kernel/panic.c:525 [inline])
[<8020279c>] (panic) from [<80250a80>] (get_taint+0x0/0x1c kernel/panic.c:520)
r3:82a0b144 r2:00000001 r1:82318de0 r0:8232073c
[<80250a08>] (check_panic_on_warn) from [<80250bfc>] (__warn+0x98/0x1a4 kernel/panic.c:1104)
[<80250b64>] (__warn) from [<80250ef0>] (warn_slowpath_fmt+0x1e8/0x1f4 kernel/panic.c:1144)
r8:00000009 r7:82425828 r6:e0195884 r5:84edee40 r4:00000000
[<80250d0c>] (warn_slowpath_fmt) from [<80f4c394>] (usb_submit_urb+0x62c/0x63c drivers/usb/core/urb.c:379)
r10:00000001 r9:864e7adc r8:8384a600 r7:865b7a40 r6:83848f00 r5:864e7ac0
r4:864e79c0
[<80f4bd68>] (usb_submit_urb) from [<80c37954>] (port100_send_frame_async drivers/nfc/port100.c:783 [inline])
[<80f4bd68>] (usb_submit_urb) from [<80c37954>] (port100_send_cmd_async+0x18c/0x2a4 drivers/nfc/port100.c:879)
r10:00000001 r9:864e7adc r8:8384a600 r7:865b7a40 r6:83848f00 r5:864e7ac0
r4:00000000
[<80c377c8>] (port100_send_cmd_async) from [<80c385a0>] (port100_send_cmd_sync drivers/nfc/port100.c:919 [inline])
[<80c377c8>] (port100_send_cmd_async) from [<80c385a0>] (port100_set_command_type drivers/nfc/port100.c:990 [inline])
[<80c377c8>] (port100_send_cmd_async) from [<80c385a0>] (port100_probe+0x33c/0x580 drivers/nfc/port100.c:1555)
r10:82425d00 r9:82b66084 r8:83848f00 r7:e0195960 r6:86357c30 r5:00000001
r4:864e7ac0
[<80c38264>] (port100_probe) from [<80f5122c>] (usb_probe_interface+0x148/0x380 drivers/usb/core/driver.c:396)
r8:86361888 r7:00000001 r6:81d65a44 r5:86357c30 r4:ffffffed
[<80f510e4>] (usb_probe_interface) from [<80bd5054>] (call_driver_probe drivers/base/dd.c:628 [inline])
[<80f510e4>] (usb_probe_interface) from [<80bd5054>] (really_probe+0xd8/0x40c drivers/base/dd.c:706)
r10:82425d00 r9:82b618bc r8:00000043 r7:00000000 r6:82b66084 r5:00000000
r4:86357c30
[<80bd4f7c>] (really_probe) from [<80bd5428>] (__driver_probe_device+0xa0/0x21c drivers/base/dd.c:868)
r8:00000043 r7:86357c30 r6:e0195ab4 r5:82b66084 r4:86357c30
[<80bd5388>] (__driver_probe_device) from [<80bd5684>] (driver_probe_device+0x3c/0xc0 drivers/base/dd.c:898)
r9:82b618bc r8:00000043 r7:86357c30 r6:e0195ab4 r5:82d250b4 r4:82d250a4
[<80bd5648>] (driver_probe_device) from [<80bd57a8>] (__device_attach_driver+0xa0/0x138 drivers/base/dd.c:1026)
r9:82b618bc r8:833f7940 r7:86357c30 r6:e0195ab4 r5:82b66084 r4:00000001
[<80bd5708>] (__device_attach_driver) from [<80bd2c60>] (bus_for_each_drv+0x98/0xec drivers/base/bus.c:500)
r7:833f7900 r6:80bd5708 r5:e0195ab4 r4:00000000
[<80bd2bc8>] (bus_for_each_drv) from [<80bd5bc4>] (__device_attach+0xb0/0x1e4 drivers/base/dd.c:1098)
r7:833f7900 r6:86357c7c r5:00000001 r4:86357c30
[<80bd5b14>] (__device_attach) from [<80bd5ebc>] (device_initial_probe+0x44/0x48 drivers/base/dd.c:1153)
r6:833f7900 r5:86357c30 r4:833f7900
[<80bd5e78>] (device_initial_probe) from [<80bd3d28>] (bus_probe_device+0x30/0x84 drivers/base/bus.c:620)
r5:86357c30 r4:86357c30
[<80bd3cf8>] (bus_probe_device) from [<80bd0f54>] (device_add+0x610/0x834 drivers/base/core.c:3772)
r9:82b618bc r8:81da8f84 r7:86361888 r6:86357c7c r5:00000000 r4:86357c30
[<80bd0944>] (device_add) from [<80f4f304>] (usb_set_configuration+0x5d8/0x938 drivers/usb/core/message.c:2268)
r10:82425d00 r9:82c35298 r8:86361888 r7:83e08e50 r6:00000001 r5:83e08e50
r4:86357c00
[<80f4ed2c>] (usb_set_configuration) from [<80f5c4fc>] (usb_generic_driver_probe+0x48/0x84 drivers/usb/core/generic.c:250)
r10:8415a128 r9:82b618bc r8:00000043 r7:86361800 r6:82b88da0 r5:00000001
r4:86361800
[<80f5c4b4>] (usb_generic_driver_probe) from [<80f506ac>] (usb_probe_device+0x44/0x14c drivers/usb/core/driver.c:291)
r5:00000001 r4:86361888
[<80f50668>] (usb_probe_device) from [<80bd5054>] (call_driver_probe drivers/base/dd.c:628 [inline])
[<80f50668>] (usb_probe_device) from [<80bd5054>] (really_probe+0xd8/0x40c drivers/base/dd.c:706)
r7:00000000 r6:82b88da0 r5:00000000 r4:86361888
[<80bd4f7c>] (really_probe) from [<80bd5428>] (__driver_probe_device+0xa0/0x21c drivers/base/dd.c:868)
r8:00000043 r7:86361888 r6:e0195d1c r5:82b88da0 r4:86361888
[<80bd5388>] (__driver_probe_device) from [<80bd5684>] (driver_probe_device+0x3c/0xc0 drivers/base/dd.c:898)
r9:82b618bc r8:00000043 r7:86361888 r6:e0195d1c r5:82d250b4 r4:82d250a4
[<80bd5648>] (driver_probe_device) from [<80bd57a8>] (__device_attach_driver+0xa0/0x138 drivers/base/dd.c:1026)
r9:82b618bc r8:833f7940 r7:86361888 r6:e0195d1c r5:82b88da0 r4:00000001
[<80bd5708>] (__device_attach_driver) from [<80bd2c60>] (bus_for_each_drv+0x98/0xec drivers/base/bus.c:500)
r7:833f7900 r6:80bd5708 r5:e0195d1c r4:00000000
[<80bd2bc8>] (bus_for_each_drv) from [<80bd5bc4>] (__device_attach+0xb0/0x1e4 drivers/base/dd.c:1098)
r7:833f7900 r6:863618d4 r5:00000001 r4:86361888
[<80bd5b14>] (__device_attach) from [<80bd5ebc>] (device_initial_probe+0x44/0x48 drivers/base/dd.c:1153)
r6:833f7900 r5:86361888 r4:833f7900
[<80bd5e78>] (device_initial_probe) from [<80bd3d28>] (bus_probe_device+0x30/0x84 drivers/base/bus.c:620)
r5:86361888 r4:86361888
[<80bd3cf8>] (bus_probe_device) from [<80bd0f54>] (device_add+0x610/0x834 drivers/base/core.c:3772)
r9:82b618bc r8:00000000 r7:83e1a088 r6:863618d4 r5:00000000 r4:86361888
[<80bd0944>] (device_add) from [<80f4329c>] (usb_new_device+0x28c/0x6b8 drivers/usb/core/hub.c:2695)
r10:8415a128 r9:00000003 r8:ffffffff r7:00000001 r6:9113d800 r5:86361888
r4:86361800
[<80f43010>] (usb_new_device) from [<80f45b50>] (hub_port_connect drivers/usb/core/hub.c:5567 [inline])
[<80f43010>] (usb_new_device) from [<80f45b50>] (hub_port_connect_change drivers/usb/core/hub.c:5707 [inline])
[<80f43010>] (usb_new_device) from [<80f45b50>] (port_event drivers/usb/core/hub.c:5871 [inline])
[<80f43010>] (usb_new_device) from [<80f45b50>] (hub_event+0x11ec/0x1b80 drivers/usb/core/hub.c:5953)
r10:8415a128 r9:86361800 r8:83e1a000 r7:00000001 r6:8437ca00 r5:00000000
r4:00000003
[<80f44964>] (hub_event) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
r10:83132405 r9:84edee40 r8:01800000 r7:ddde4f00 r6:83132400 r5:8415a128
r4:86545400
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
r10:00000000 r9:86545430 r8:84edee40 r7:82a03d80 r6:ddde4f20 r5:ddde4f00
r4:86545400
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
r10:00000000 r9:e4441e88 r8:86544e80 r7:86545400 r6:80276d28 r5:84edee40
r4:86532080
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0195fb0 to 0xe0195ff8)
5fa0: 00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:86532080
Rebooting in 86400 seconds..
---
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 syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: 848acc8ffe1b Merge tag 'fsverity-for-linus' of git://git.k..
git tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master
console output: https://syzkaller.appspot.com/x/log.txt?x=11e47649580000
kernel config: https://syzkaller.appspot.com/x/.config?x=db7ba9edb9755fc1
dashboard link: https://syzkaller.appspot.com/bug?extid=2bb585d2cfddda02795c
compiler: arm-linux-gnueabi-gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
userspace arch: arm
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/98a89b9f34e4/non_bootable_disk-848acc8f.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/ed18b055a7ce/vmlinux-848acc8f.xz
kernel image: https://storage.googleapis.com/syzbot-assets/d9e1502ff007/zImage-848acc8f.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2bb585...@syzkaller.appspotmail.com
usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 2-1: Product: syz
usb 2-1: Manufacturer: syz
usb 2-1: SerialNumber: syz
------------[ cut here ]------------
WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x62c/0x63c drivers/usb/core/urb.c:379, CPU#1: kworker/1:10/3926
URB 864e79c0 submitted while active
Modules linked in:
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 1 UID: 0 PID: 3926 Comm: kworker/1:10 Not tainted syzkaller #0 PREEMPT
Hardware name: ARM-Versatile Express
Workqueue: usb_hub_wq hub_event
Call trace:
[<80201998>] (dump_backtrace) from [<80201a8c>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
r7:82a20f78 r6:00000000 r5:8233307c r4:00000001
[<80201a74>] (show_stack) from [<8021e5fc>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201a74>] (show_stack) from [<8021e5fc>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120)
[<8021e5a0>] (dump_stack_lvl) from [<8021e628>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
r7:82a20f78 r6:00000000 r5:84edee40 r4:82c83d40
[<8021e610>] (dump_stack) from [<80202590>] (vpanic+0x114/0x320 kernel/panic.c:651)
[<8020247c>] (vpanic) from [<802027d0>] (trace_suspend_resume+0x0/0x100 kernel/panic.c:788)
r7:80f4c394
[<8020279c>] (panic) from [<80250a80>] (check_panic_on_warn kernel/panic.c:525 [inline])
[<8020279c>] (panic) from [<80250a80>] (get_taint+0x0/0x1c kernel/panic.c:520)
r3:82a0b144 r2:00000001 r1:82318de0 r0:8232073c
[<80250a08>] (check_panic_on_warn) from [<80250bfc>] (__warn+0x98/0x1a4 kernel/panic.c:1104)
[<80250b64>] (__warn) from [<80250ef0>] (warn_slowpath_fmt+0x1e8/0x1f4 kernel/panic.c:1144)
r8:00000009 r7:82425828 r6:e0195884 r5:84edee40 r4:00000000
[<80250d0c>] (warn_slowpath_fmt) from [<80f4c394>] (usb_submit_urb+0x62c/0x63c drivers/usb/core/urb.c:379)
r10:00000001 r9:864e7adc r8:8384a600 r7:865b7a40 r6:83848f00 r5:864e7ac0
r4:864e79c0
[<80f4bd68>] (usb_submit_urb) from [<80c37954>] (port100_send_frame_async drivers/nfc/port100.c:783 [inline])
[<80f4bd68>] (usb_submit_urb) from [<80c37954>] (port100_send_cmd_async+0x18c/0x2a4 drivers/nfc/port100.c:879)
r10:00000001 r9:864e7adc r8:8384a600 r7:865b7a40 r6:83848f00 r5:864e7ac0
r4:00000000
[<80c377c8>] (port100_send_cmd_async) from [<80c385a0>] (port100_send_cmd_sync drivers/nfc/port100.c:919 [inline])
[<80c377c8>] (port100_send_cmd_async) from [<80c385a0>] (port100_set_command_type drivers/nfc/port100.c:990 [inline])
[<80c377c8>] (port100_send_cmd_async) from [<80c385a0>] (port100_probe+0x33c/0x580 drivers/nfc/port100.c:1555)
r10:82425d00 r9:82b66084 r8:83848f00 r7:e0195960 r6:86357c30 r5:00000001
r4:864e7ac0
[<80c38264>] (port100_probe) from [<80f5122c>] (usb_probe_interface+0x148/0x380 drivers/usb/core/driver.c:396)
r8:86361888 r7:00000001 r6:81d65a44 r5:86357c30 r4:ffffffed
[<80f510e4>] (usb_probe_interface) from [<80bd5054>] (call_driver_probe drivers/base/dd.c:628 [inline])
[<80f510e4>] (usb_probe_interface) from [<80bd5054>] (really_probe+0xd8/0x40c drivers/base/dd.c:706)
r10:82425d00 r9:82b618bc r8:00000043 r7:00000000 r6:82b66084 r5:00000000
r4:86357c30
[<80bd4f7c>] (really_probe) from [<80bd5428>] (__driver_probe_device+0xa0/0x21c drivers/base/dd.c:868)
r8:00000043 r7:86357c30 r6:e0195ab4 r5:82b66084 r4:86357c30
[<80bd5388>] (__driver_probe_device) from [<80bd5684>] (driver_probe_device+0x3c/0xc0 drivers/base/dd.c:898)
r9:82b618bc r8:00000043 r7:86357c30 r6:e0195ab4 r5:82d250b4 r4:82d250a4
[<80bd5648>] (driver_probe_device) from [<80bd57a8>] (__device_attach_driver+0xa0/0x138 drivers/base/dd.c:1026)
r9:82b618bc r8:833f7940 r7:86357c30 r6:e0195ab4 r5:82b66084 r4:00000001
[<80bd5708>] (__device_attach_driver) from [<80bd2c60>] (bus_for_each_drv+0x98/0xec drivers/base/bus.c:500)
r7:833f7900 r6:80bd5708 r5:e0195ab4 r4:00000000
[<80bd2bc8>] (bus_for_each_drv) from [<80bd5bc4>] (__device_attach+0xb0/0x1e4 drivers/base/dd.c:1098)
r7:833f7900 r6:86357c7c r5:00000001 r4:86357c30
[<80bd5b14>] (__device_attach) from [<80bd5ebc>] (device_initial_probe+0x44/0x48 drivers/base/dd.c:1153)
r6:833f7900 r5:86357c30 r4:833f7900
[<80bd5e78>] (device_initial_probe) from [<80bd3d28>] (bus_probe_device+0x30/0x84 drivers/base/bus.c:620)
r5:86357c30 r4:86357c30
[<80bd3cf8>] (bus_probe_device) from [<80bd0f54>] (device_add+0x610/0x834 drivers/base/core.c:3772)
r9:82b618bc r8:81da8f84 r7:86361888 r6:86357c7c r5:00000000 r4:86357c30
[<80bd0944>] (device_add) from [<80f4f304>] (usb_set_configuration+0x5d8/0x938 drivers/usb/core/message.c:2268)
r10:82425d00 r9:82c35298 r8:86361888 r7:83e08e50 r6:00000001 r5:83e08e50
r4:86357c00
[<80f4ed2c>] (usb_set_configuration) from [<80f5c4fc>] (usb_generic_driver_probe+0x48/0x84 drivers/usb/core/generic.c:250)
r10:8415a128 r9:82b618bc r8:00000043 r7:86361800 r6:82b88da0 r5:00000001
r4:86361800
[<80f5c4b4>] (usb_generic_driver_probe) from [<80f506ac>] (usb_probe_device+0x44/0x14c drivers/usb/core/driver.c:291)
r5:00000001 r4:86361888
[<80f50668>] (usb_probe_device) from [<80bd5054>] (call_driver_probe drivers/base/dd.c:628 [inline])
[<80f50668>] (usb_probe_device) from [<80bd5054>] (really_probe+0xd8/0x40c drivers/base/dd.c:706)
r7:00000000 r6:82b88da0 r5:00000000 r4:86361888
[<80bd4f7c>] (really_probe) from [<80bd5428>] (__driver_probe_device+0xa0/0x21c drivers/base/dd.c:868)
r8:00000043 r7:86361888 r6:e0195d1c r5:82b88da0 r4:86361888
[<80bd5388>] (__driver_probe_device) from [<80bd5684>] (driver_probe_device+0x3c/0xc0 drivers/base/dd.c:898)
r9:82b618bc r8:00000043 r7:86361888 r6:e0195d1c r5:82d250b4 r4:82d250a4
[<80bd5648>] (driver_probe_device) from [<80bd57a8>] (__device_attach_driver+0xa0/0x138 drivers/base/dd.c:1026)
r9:82b618bc r8:833f7940 r7:86361888 r6:e0195d1c r5:82b88da0 r4:00000001
[<80bd5708>] (__device_attach_driver) from [<80bd2c60>] (bus_for_each_drv+0x98/0xec drivers/base/bus.c:500)
r7:833f7900 r6:80bd5708 r5:e0195d1c r4:00000000
[<80bd2bc8>] (bus_for_each_drv) from [<80bd5bc4>] (__device_attach+0xb0/0x1e4 drivers/base/dd.c:1098)
r7:833f7900 r6:863618d4 r5:00000001 r4:86361888
[<80bd5b14>] (__device_attach) from [<80bd5ebc>] (device_initial_probe+0x44/0x48 drivers/base/dd.c:1153)
r6:833f7900 r5:86361888 r4:833f7900
[<80bd5e78>] (device_initial_probe) from [<80bd3d28>] (bus_probe_device+0x30/0x84 drivers/base/bus.c:620)
r5:86361888 r4:86361888
[<80bd3cf8>] (bus_probe_device) from [<80bd0f54>] (device_add+0x610/0x834 drivers/base/core.c:3772)
r9:82b618bc r8:00000000 r7:83e1a088 r6:863618d4 r5:00000000 r4:86361888
[<80bd0944>] (device_add) from [<80f4329c>] (usb_new_device+0x28c/0x6b8 drivers/usb/core/hub.c:2695)
r10:8415a128 r9:00000003 r8:ffffffff r7:00000001 r6:9113d800 r5:86361888
r4:86361800
[<80f43010>] (usb_new_device) from [<80f45b50>] (hub_port_connect drivers/usb/core/hub.c:5567 [inline])
[<80f43010>] (usb_new_device) from [<80f45b50>] (hub_port_connect_change drivers/usb/core/hub.c:5707 [inline])
[<80f43010>] (usb_new_device) from [<80f45b50>] (port_event drivers/usb/core/hub.c:5871 [inline])
[<80f43010>] (usb_new_device) from [<80f45b50>] (hub_event+0x11ec/0x1b80 drivers/usb/core/hub.c:5953)
r10:8415a128 r9:86361800 r8:83e1a000 r7:00000001 r6:8437ca00 r5:00000000
r4:00000003
[<80f44964>] (hub_event) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
r10:83132405 r9:84edee40 r8:01800000 r7:ddde4f00 r6:83132400 r5:8415a128
r4:86545400
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
r10:00000000 r9:86545430 r8:84edee40 r7:82a03d80 r6:ddde4f20 r5:ddde4f00
r4:86545400
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
r10:00000000 r9:e4441e88 r8:86544e80 r7:86545400 r6:80276d28 r5:84edee40
r4:86532080
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0195fb0 to 0xe0195ff8)
5fa0: 00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:86532080
Rebooting in 86400 seconds..
---
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