0001-doc-document-interval-expression-limitations.patchDescription: Text Data
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| From: | Paul Eggert |
| Subject: | bug#44538: grep -E might exhaust stack space |
| Date: | Fri, 27 Aug 2021 18:25:44 -0700 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 |
On 11/9/20 9:34 AM, JIang Yuancheng wrote:
grep -E “.*{10,}{10,}{10,}{10,}{10,}” can exhaust stack space then stack
overflow comes out. (Tested on latest version 3.6)
This is a longstanding issue with the regex matcher. I installed the attached patch to document the issue better. Fortunately, the problem is mostly limited to contrived examples.
0001-doc-document-interval-expression-limitations.patch
Description: Text Data
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