devnexen added a comment.
Another example with pcre2, more specifically its JIT engine
In file included from
/home/dcarlier/Contribs/php-src/ext/pcre/pcre2lib/pcre2_jit_compile.c:78:
In file included from
/home/dcarlier/Contribs/php-src/ext/pcre/pcre2lib/sljit/sljitLir.c:261:
/home/dcarlier/Contribs/php-src/ext/pcre/pcre2lib/sljit/sljitExecAllocator.c:102:11:
warning: Both PROT_WRITE and PROT_EXEC flags had been set. It can leads to
exploitable memory regions, overwritten with malicious code
retval = mmap(NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC,
MAP_PRIVATE | MAP_ANON, -1, 0);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from
/home/dcarlier/Contribs/php-src/ext/pcre/pcre2lib/pcre2_jit_compile.c:78:
In file included from
/home/dcarlier/Contribs/php-src/ext/pcre/pcre2lib/sljit/sljitLir.c:1737:
Repository:
rC Clang
https://reviews.llvm.org/D42645
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