X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=plugins%2Fgpulib%2Fgpu.c;h=d70e3663b7fde045d683e1ee430b1c206b5cc292;hb=81ff42e126443f5d015de4c84102931c30509cc2;hp=40a6bd85a2852987ab38aab2b087d4249e1cfd50;hpb=4ebf57912b63d794ce6df44376a8f531ad65e2c7;p=pcsx_rearmed.git

diff --git a/plugins/gpulib/gpu.c b/plugins/gpulib/gpu.c
index 40a6bd85..d70e3663 100644
--- a/plugins/gpulib/gpu.c
+++ b/plugins/gpulib/gpu.c
@@ -690,6 +690,10 @@ long GPUdmaChain(uint32_t *rambase, uint32_t start_addr, uint32_t *progress_addr
     log_io(".chain %08lx #%d+%d\n",
       (long)(list - rambase) * 4, len, gpu.cmd_len);
     if (unlikely(gpu.cmd_len > 0)) {
+      if (gpu.cmd_len + len > ARRAY_SIZE(gpu.cmd_buffer)) {
+        log_anomaly("cmd_buffer overflow, likely garbage commands\n");
+        gpu.cmd_len = 0;
+      }
       memcpy(gpu.cmd_buffer + gpu.cmd_len, list + 1, len * 4);
       gpu.cmd_len += len;
       flush_cmd_buffer();