RFR(XS): 8221833: Readability check in Symbol::is_valid not performed for some addresses

[Zhengyu Gu]

Hi Martin,

Would it be more proper to do the check in os::is_readable_range()?

Thanks,

-Zhengyu

On 4/2/19 9:05 AM, Doerr, Martin wrote:
> Hi,
> 
> I'd like to fix a minor bug in Symbol::is_valid which can cause errors during error reporting:
> Address computation can overflow leading to skipped readability check.
> 
> Bug:
> https://bugs.openjdk.java.net/browse/JDK-8221833
> 
> Webrev:
> http://cr.openjdk.java.net/~mdoerr/8221833_valid_symbol/webrev.00/
> 
> Please review.
> 
> Best regards,
> Martin
>