Bug has already been filed:
https://bugs.chromium.org/p/v8/issues/detail?id=9570 (not sure why it was
closed and redirected to v8-users?)


On Thu, Aug 22, 2019 at 10:49 AM Jakob Gruber <jgru...@chromium.org> wrote:

> Sounds like a stack overflow in the regexp compiler while compiling a huge
> pattern. Feel free to file a bug (please include a backtrace). Also see
> https://crbug.com/v8/9378.
>
> On Thu, Aug 22, 2019 at 10:45 AM qinghai xiao <x827282...@gmail.com>
> wrote:
>
>> Version: 7.6.303.22
>> OS: Windows
>> Architecture: x86
>>
>> *What steps will reproduce the problem?*
>> *1.*type this script in v8_shell.exe and d8.exe:
>>
>> String.prototype.split.call('aaaaaaaaaa', new
>> RegExp(Array(4096).join(String.fromCharCode(36, 94)) +
>> Array(1025).join(String.fromCharCode(126, 29)) +
>> Array(257).join(String.fromCharCode(101, 10, 43)), 'i'))
>>
>> *What is the expected output?*
>> When I use Chrome 76.0.3809.80 (v8 version 7.6.303.24), this script
>> output is as follows:
>> ["aaaaaaaaaa"]
>>
>> *What do you see instead?*
>> Then I run these codes to tracking in vs2017:
>>
>> v8::Local<v8::String> source = v8::String::NewFromUtf8(isolate,
>> "String.prototype.split.call('aaaaaaaaaa', new
>> RegExp(Array(4096).join(String.fromCharCode(36, 94)) +
>> Array(1025).join(String.fromCharCode(126, 29)) +
>> Array(257).join(String.fromCharCode(101, 10, 43)),
>> 'i'))",v8::NewStringType::kNormal).ToLocalChecked();
>>
>> v8::Local<v8::Script> script =v8::Script::Compile(context,
>> source).ToLocalChecked();
>>
>> v8::Local<v8::Value> result = script->Run(context).ToLocalChecked();
>>
>> v8::String::Utf8Value utf8(isolate, result);
>>
>> printf("%s\n", *utf8);
>>
>> then I got a stark overflow error.I want to know if this represents a
>> problem in my compilation process.
>>
>> --
>>
>

-- 
-- 
v8-users mailing list
v8-users@googlegroups.com
http://groups.google.com/group/v8-users
--- 
You received this message because you are subscribed to the Google Groups 
"v8-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to v8-users+unsubscr...@googlegroups.com.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/v8-users/CAKSzg3QV6u4u_kmNd45r82hm12naVnH0U_TcEWWxR6ceqpBvmQ%40mail.gmail.com.

Reply via email to