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mmap check #123

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zeno000 opened this issue Mar 9, 2021 · 0 comments
Open

mmap check #123

zeno000 opened this issue Mar 9, 2021 · 0 comments

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@zeno000
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zeno000 commented Mar 9, 2021

c_gpio.c line 84 checks for success of mmap( ) call. It currently casts the result to unsigned, then checks for less than 0. Line 85 never executes, and an actual bad mmap results in a segmentation fault.
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