Messages in this thread | | | Date | Tue, 30 Apr 2019 07:36:07 -0700 | Subject | WARNING: Detected a wedged cx25840 chip; the device will not work. | From | syzbot <> |
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Hello,
syzbot found the following crash on:
HEAD commit: 9a33b369 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=12df67c3200000 kernel config: https://syzkaller.appspot.com/x/.config?x=23e37f59d94ddd15 dashboard link: https://syzkaller.appspot.com/bug?extid=170a86bf206dd2c6217e compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=108a28f3200000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=145d8a2d200000
IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+170a86bf206dd2c6217e@syzkaller.appspotmail.com
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 pvrusb2: Hardware description: Gotview USB 2.0 DVD 2 pvrusb2: Invalid write control endpoint usb 1-1: USB disconnect, device number 2 pvrusb2: Invalid write control endpoint pvrusb2: WARNING: Detected a wedged cx25840 chip; the device will not work. pvrusb2: WARNING: Try power cycling the pvrusb2 device. pvrusb2: WARNING: Disabling further access to the device to prevent other foul-ups. pvrusb2: Device being rendered inoperable cx25840 0-0044: Unable to detect h/w, assuming cx23887 cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) pvrusb2: Attached sub-driver cx25840 pvrusb2: Attempted to execute control transfer when device not ok pvrusb2: Attempted to execute control transfer when device not ok
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