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DATV demod: leansdr: fix possible segfaults

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This commit is contained in:
f4exb 2023-04-10 11:50:30 +02:00
parent 7852ab79a6
commit a76d11b3a1
2 changed files with 10 additions and 1 deletions
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7
plugins/channelrx/demoddatv/leansdr/dsp.h
View File

@ -131,6 +131,13 @@ struct cfft_engine
{ {
int r = bitrev[i]; int r = bitrev[i];
if ((r < 0) || (r >= n)) // corruption: init again and exit
{
fprintf(stderr, "cfft_engine::inplace: corruption detected\n");
init(n);
return;
}
if (r < i) if (r < i)
{ {
std::complex<T> tmp = data[i]; std::complex<T> tmp = data[i];

4
plugins/channelrx/demoddatv/leansdr/framework.h
View File

@ -357,8 +357,10 @@ struct pipewriter
void written(unsigned long n) void written(unsigned long n)
{ {
if (buf.wr + n > buf.end) { if (buf.wr + n > buf.end)
{
fprintf(stderr, "pipewriter::written: bug: overflow to %s\n", buf.name); fprintf(stderr, "pipewriter::written: bug: overflow to %s\n", buf.name);
return;
} }
buf.wr += n; buf.wr += n;