zynaddsubfx

commit c3a1e2d05cc1d9ddb357bacc92531bd1bebfb977
parent fcdfb79d527edb27fb8117bb111df61af04ffc2c
Author: Hans Petter Selasky <hps@selasky.org>
Date:   Mon,  1 Aug 2022 17:30:09 +0200

Make sure the writer position gets reset when allocating new memory buffers,
which may be smaller than the previous one, to avoid out of bounds memory
writes when using the sympathetic resonance effect.

Signed-off-by: Hans Petter Selasky <hps@selasky.org>

Diffstat:
M
src/Effects/CombFilterBank.cpp
 | 
2
++

1 file changed, 2 insertions(+), 0 deletions(-)
diff --git a/src/Effects/CombFilterBank.cpp b/src/Effects/CombFilterBank.cpp
@@ -65,6 +65,8 @@ namespace zyn {
             // update mem_size and baseFreq
             mem_size = mem_size_new;
             baseFreq = baseFreqNew;
+            // reset writer position
+            pos_writer = 0;
         }
         // update nrOfStrings
         nrOfStrings = nrOfStringsNew;