[Bug 42225] MSRX v2015a (magnetic stripe reader app) crashed on plugplay: hidraw_set_feature_report Output feature buffer too small

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=42225

--- Comment #17 from Aric Stewart <aric at codeweavers.com> ---
(In reply to Samuele from comment #16)
> (In reply to Aric Stewart from comment #15)
> > Any chance to look deeper into this?
> > 
> > -aric
> 
> Yeah I would love to be able to use this software, I'm willing to test sorry
> if I didn't reply sooner. I'm not sure I understood correctly what you were
> asking but I did this to print first and second byte of the buffer before
> and after the code that strips the leading zero and adds it back. Data seems
> to match:
> 
> trace:hid_report:HID_set_to_device [FIRST] Leading 0,nextchar: 0,194
> trace:hid_report:hidraw_set_feature_report [SECOND] Leading 0,nextchar: 0,194
> 
> Then in process_hid_report I've added code to print the report buffer and I
> get different reports depending on which card I swipe. It's hard to see if
> the data is correct because it uses magstripe encoding and I need to convert
> the bytes to binary data and check it manually.

Actually I was more thinking of just dumping the raw data and looking to see if
thing changed.

Code like this

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