devnexen added a comment.
In https://reviews.llvm.org/D42645#990771, @a.sidorin wrote:
> Hello David,
>
> Do you have any results of this checker on the real code? If yes, could you
> please share them?
> There are also some inline comments regarding implementation.
I did a quick test on the PHP opcache's code :
warning: Both PROT_WRITE and PROT_EXEC flags had been set. It can leads to
exploitable memory regions, overwritten with malicious code
ret = mmap(start, size, PROT_READ | PROT_WRITE | PROT_EXEC,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
```~~
Repository:
rC Clang
https://reviews.llvm.org/D42645
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