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vncv: fix snarf buffer realloc memory corruption

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fix never updating p when snarf is reallocated,
resulting in memory corruption.
This commit is contained in:
qwx 2019-08-26 17:02:58 +02:00
parent 51cfe763a4
commit 91a8d03040
1 changed files with 1 additions and 0 deletions
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1
sys/src/cmd/vnc/wsys.c
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@ -281,6 +281,7 @@ getsnarf(int *sz)
*sz += c; *sz += c;
if (n == 0){ if (n == 0){
snarf = realloc(snarf, *sz + 8192); snarf = realloc(snarf, *sz + 8192);
p = snarf + *sz;
n = 8192; n = 8192;
} }
} }