sysdetect: null terminate snprintf strings for CUDA devices

icl-utk-edu · Jul 6, 2023 · 7bfd819 · 7bfd819
1 parent 255bf2e
commit 7bfd819
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/components/sysdetect/nvidia_gpu.c b/src/components/sysdetect/nvidia_gpu.c
@@ -220,6 +220,7 @@ load_cuda_sym( char *status )
         if (count >= PAPI_MAX_STR_LEN) {
             SUBDBG("Status string truncated.");
         }
+        status[PAPI_MAX_STR_LEN - 1] = 0;
         return -1;
     }
 
@@ -313,6 +314,7 @@ load_nvml_sym( char *status )
         if (count >= PAPI_MAX_STR_LEN) {
             SUBDBG("Status string truncated.");
         }
+        status[PAPI_MAX_STR_LEN - 1] = 0;
         return -1;
     }
 
@@ -371,6 +373,7 @@ open_nvidia_gpu_dev_type( _sysdetect_dev_type_info_t *dev_type_info )
     if (count >= PAPI_MAX_STR_LEN) {
         SUBDBG("Status string truncated.");
     }
+    dev_type_info->status[PAPI_MAX_STR_LEN - 1] = 0;
 #endif /* HAVE_NVML */
 
     unload_cuda_sym();
@@ -381,6 +384,7 @@ open_nvidia_gpu_dev_type( _sysdetect_dev_type_info_t *dev_type_info )
     if (count >= PAPI_MAX_STR_LEN) {
         SUBDBG("Status string truncated.");
     }
+    dev_type_info->status[PAPI_MAX_STR_LEN - 1] = 0;
 #endif /* HAVE_CUDA */
 }