shithub: riscv

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ref: 91a8d03040a3533e27f51d33bbbfed33d84b5043
parent: 51cfe763a491cf72f5177d3ccdca09edcb0340e9
author: qwx <devnull@localhost>
date: Mon Aug 26 13:02:58 EDT 2019

vncv: fix snarf buffer realloc memory corruption

fix never updating p when snarf is reallocated,
resulting in memory corruption.

--- a/sys/src/cmd/vnc/wsys.c

+++ b/sys/src/cmd/vnc/wsys.c

@@ -281,6 +281,7 @@

 			*sz += c;

 			if (n == 0){

 				snarf = realloc(snarf, *sz + 8192);

+				p = snarf + *sz;

 				n = 8192;

 			}

 		}