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[Bug libstdc++/61582] C++11 regex memory corruption
- From: "timshen at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 26 Jun 2014 06:14:59 +0000
- Subject: [Bug libstdc++/61582] C++11 regex memory corruption
- Auto-submitted: auto-generated
- References: <bug-61582-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61582
--- Comment #7 from Tim Shen <timshen at gcc dot gnu.org> ---
"(.*{100}{100}{100})" seems to be a stack overflow. It's because regex executor
uses recursion. It could be fixed (not segfault but memory exhaustion) by using
a std::stack and simulate recursion; IMH, however, directly throwing
regex_error::error_space is the right thing here to do.