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Running fetch_stdout.py triggers kernel panic #146

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alfiecg24 opened this issue Nov 27, 2022 · 2 comments
Open

Running fetch_stdout.py triggers kernel panic #146

alfiecg24 opened this issue Nov 27, 2022 · 2 comments

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@alfiecg24
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alfiecg24 commented Nov 27, 2022

I ran the CLI version of checkra1n with the command checkra1n -cpvV
I then did python3 fetch_stdout.py and got the error message usb.core.USBTimeoutError: [Errno 60] Operation timed out and no output
Running it again panics the kernel and pongoOS displays the message

For reference, I am using an M1 MacBook Air and an A10X iPad Pro on iOS 14.8.

panic: USB BUG: 0x73656e642034
crashed task: usb

crashed process: kernel
@alfiecg24
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alfiecg24 commented Nov 27, 2022

I have the call stack if needed:

Call stack: 
0xfffffffe000b76c0: fp 0xfffffffe000b76e0. lr 0x000000010001fd6c
0xfffffffe000b76e0: fp 0xfffffffe000b77f0. lr 0x0000000100020834
0xfffffffe000b77f0: fp 0x0000000000000000. lr 0x0000000100011870

@Ijustplaymc
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Ijustplaymc commented Jan 7, 2023

Encountered same issue, same call stack

fetch_stdout works fine on linux, but if I issue a command (like help) then try to view the stdout it kernel panics

os : linux mint
iPhone SE, 14.1
Checkra1n 0.12.4
x86_64 device
libusb/pyusb and other dependencies work fine
standard usb a cable, no adapters, also tried with 3rd party

similiar symptoms, run it once and it errors with some thing, the second time it kernel panics the device

I need this for development for a module im working on, need fetch_Stdout to continue with debugging

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