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-rw-r--r--tools/test/cuda_drv_test2.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/tools/test/cuda_drv_test2.c b/tools/test/cuda_drv_test2.c
index d4f848a..98a996e 100644
--- a/tools/test/cuda_drv_test2.c
+++ b/tools/test/cuda_drv_test2.c
@@ -88,11 +88,12 @@ static void scan_self_for_payload(const char *tag)
if (perms[0] != 'r' || b <= a || b - a > (512ULL << 20))
continue;
/*
- * Only scan anonymous and device mappings: reading a truncated
- * file-backed mapping past EOF raises SIGBUS and killed the client
- * silently before cuMemcpyDtoH.
+ * Only scan anonymous mappings: reading file-backed or device
+ * mappings can SIGBUS (past EOF) or block in a device fault path,
+ * either of which kills/hangs the client before cuMemcpyDtoH. The
+ * device mapping list above still reveals any BAR window.
*/
- if (path[0] && path[0] != '[' && strncmp(path, "/dev/", 5))
+ if (path[0] && path[0] != '[')
continue;
{
volatile unsigned long long *p;