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Fix Lua AudioRom read (buffer overflow)

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This commit is contained in:
Robin Gareus 2020-08-19 00:17:45 +02:00
parent 65ecc1b40e
commit af254b8ff9
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
1 changed files with 2 additions and 1 deletions
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3
libs/ardour/audiorom.cc
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@ -20,6 +20,7 @@
#include "pbd/failed_constructor.h"
#include "ardour/audiorom.h"
#include "ardour/runtime_functions.h"
using namespace ARDOUR;
@ -51,6 +52,6 @@ AudioRom::read (Sample* dst, samplepos_t pos, samplecnt_t cnt, int channel) cons
return 0;
}
samplecnt_t to_copy = std::min (cnt, _size - pos);
memcpy (dst, &_rom[pos], sizeof (Sample) * _size);
copy_vector (dst, &_rom[pos], to_copy);
return to_copy;
}