Siddhesh Poyarekar

Principal Software Engineer

Siddhesh is one of the maintainers of the GNU C Library and contributes to various Open Source toolchain projects. At Red Hat his focus is primarily on toolchain security.


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Securing malloc in glibc: Why malloc hooks had to go

Demoting malloc hooks solves critical security issues in glibc's memory allocation system. Find out how the changes could affect your applications.

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Mostly harmless: An account of pseudo-normal floating point numbers

Pseudo-normal numbers represent a gap in floating point number classification in the long double format on Intel x86. Find out how glibc and GCC address it.

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Broadening compiler checks for buffer overflows in _FORTIFY_SOURCE

The GNU C Library's 2.33 release adds buffer overflow protection for C/C++ programs. Find out how _FORTIFY_SOURCE=3 improves overflow protection in glibc.

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