Re: [PATCH v2] Fix buffer overrun in HID-SENSOR name string

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On 13/03/2023 23:06, Todd Brandt wrote:
> On some platforms there are some platform devices created with
> invalid names. For example: "HID-SENSOR-INT-020b?.39.auto" instead
> of "HID-SENSOR-INT-020b.39.auto"
> 
> This string include some invalid characters, hence it will fail to
> properly load the driver which will handle this custom sensor. Also
> it is a problem for some user space tools, which parse the device
> names from ftrace and dmesg.
> 
> This is because the string, real_usage, is not NULL terminated and
> printed with %s to form device name.
> 
> To address this, we initialize the real_usage string with 0s.
> 
> Philipp Jungkamp created this fix, I'm simply submitting it. I've
> verified it fixes bugzilla issue 217169
> 
> Reported-and-tested-by: Todd Brandt <todd.e.brandt@xxxxxxxxxxxxxxx>
> Signed-off-by: Todd Brandt <todd.e.brandt@xxxxxxxxx>

SoB denotes that you reported this and tested. Otherwise shall we start
adding Reported and Tested tags to all of our commits?


Best regards,
Krzysztof




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