diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/test/cuda_drv_test2.c | 9 |
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; |