Report 4 different bugs discoverd in gawk

[YU Jiongchi]

To GNU GAWK developers:

Greetings, I have found 4 different vulnerabilities in gawk which varies from 
stack overflow to heap out of bound read. The bugs report and POC files are 
attached in the attachment. Please feel free to contact me.

Best wishes,

--
Jiongchi Yu
School of Computing and Information System
Singapore Management University

POC_OOB
Description: POC_OOB

Heap out of bound read.pdf
Description: Heap out of bound read.pdf

Stack Overflow-1.pdf
Description: Stack Overflow-1.pdf

Stack Overflow-2.pdf
Description: Stack Overflow-2.pdf

Stack Overflow-3.pdf
Description: Stack Overflow-3.pdf

POC_SO1
Description: POC_SO1

POC_SO2
Description: POC_SO2

POC_SO3
Description: POC_SO3