X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=plugins%2Fgpulib%2Fgpu.c;fp=plugins%2Fgpulib%2Fgpu.c;h=d67df03c39a4e5d89d74f34f99b4e5b445ae6004;hp=125bd89bfd51d2a7a57a6cbac5deae0e5459a1c5;hb=7194a46a0eb7583f7af0b5807e6ffde006733111;hpb=3c8913013a3bb1908186342759f881baa16602b9

diff --git a/plugins/gpulib/gpu.c b/plugins/gpulib/gpu.c
index 125bd89b..d67df03c 100644
--- a/plugins/gpulib/gpu.c
+++ b/plugins/gpulib/gpu.c
@@ -457,6 +457,12 @@ static noinline int do_cmd_buffer(uint32_t *data, int count)
 
     cmd = data[pos] >> 24;
     if (0xa0 <= cmd && cmd <= 0xdf) {
+      if (unlikely((pos+2) >= count)) {
+        // incomplete vram write/read cmd, can't consume yet
+        cmd = -1;
+        break;
+      }
+
       // consume vram write/read cmd
       start_vram_transfer(data[pos + 1], data[pos + 2], (cmd & 0xe0) == 0xc0);
       pos += 3;