https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61601
Jonathan Wakely changed:
What|Removed |Added
CC||vincent.lebourlot@starqube.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61601
Eric Gallager changed:
What|Removed |Added
CC||egallager at gcc dot gnu.org,
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61601
Richard Biener changed:
What|Removed |Added
Status|NEW |ASSIGNED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61601
--- Comment #10 from Tim Shen ---
(In reply to Eric Gallager from comment #9)
> (In reply to Tim Shen from comment #7)
> > (In reply to Maksymilian Arciemowicz from comment #6)
> > > > Do you have any other testcases?
> > >
> > > for trunk? mayb
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61601
--- Comment #9 from Eric Gallager ---
(In reply to Tim Shen from comment #7)
> (In reply to Maksymilian Arciemowicz from comment #6)
> > > Do you have any other testcases?
> >
> > for trunk? maybe you have to use ::regex_match
>
> std::regex_ma
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61601
--- Comment #8 from Maksymilian Arciemowicz ---
> there's no memory problem, it just takes exponentially long time to run
> (which is expected when using backtracking).
call it cpu resource exhaustion (CWE-400)
>
> To avoid it, you can use Tho
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61601
--- Comment #7 from Tim Shen ---
(In reply to Maksymilian Arciemowicz from comment #6)
> > Do you have any other testcases?
>
> for trunk? maybe you have to use ::regex_match
std::regex_match("findme", std::regex("(.*{100}{200}findme)"));
ther
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61601
--- Comment #6 from Maksymilian Arciemowicz ---
> Do you have any other testcases?
for trunk? maybe you have to use ::regex_match
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61601
--- Comment #5 from Tim Shen ---
> cpu exhaustion not eliminated
>
> PoC: (.*{100}{200}findme)
I tried to run:
#include
using namespace std;
int main (int argc, char *argv[])
{
string input;
regex r(argv[1]);
return 0;
}
Against '(.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61601
--- Comment #4 from Maksymilian Arciemowicz ---
cpu exhaustion not eliminated
PoC: (.*{100}{200}findme)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61601
--- Comment #3 from Tim Shen ---
Author: timshen
Date: Tue Jul 1 03:05:45 2014
New Revision: 212185
URL: https://gcc.gnu.org/viewcvs?rev=212185&root=gcc&view=rev
Log:
PR libstdc++/61061
PR libstdc++/61582
* include/bits/regex_automa
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61601
--- Comment #2 from Tim Shen ---
(In reply to Jonathan Wakely from comment #1)
> Tim, how hard would it be to hardcode limits somewhere for these cases?
It's easy. 6 lines. I'll propose a patch soon.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61601
Jonathan Wakely changed:
What|Removed |Added
CC||timshen at gcc dot gnu.org
--- Comment
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