Cast expectedLength to ssize_t where it is used as a signed number. Fixes buffer overrun memory corruption segfault.

2019-11-06 16:27:38 -08:00
parent 3eac2b804d
commit 53caf69f3a
1 changed files with 1 additions and 1 deletions
--- a/src/AsynDriverInterface.cc
+++ b/src/AsynDriverInterface.cc
@ -906,7 +906,7 @@ readHandler()
    size_t bytesToRead = peeksize;
    size_t buffersize;

-    if (expectedLength > 0)
+    if ((ssize_t) expectedLength > 0)
    {
        buffersize = expectedLength;
        if (peeksize > 1)