overlay_path: Fix resolution of symbolic link under /sys/

Change-Id: I650e72fb335aa72256d3b129a65c09bbd7cf26d3 Refs: #1463
2021-03-10 09:57:05 +09:00
parent 09173d353c
commit 051c0dcdd8
7 changed files with 167 additions and 1 deletions
--- a/test/issues/1463/tmp_overlay_path.patch
+++ b/test/issues/1463/tmp_overlay_path.patch
@@ -0,0 +1,17 @@
+diff --git executer/user/mcexec.c executer/user/mcexec.c
+index acae1f8..d220dd9 100644
+--- executer/user/mcexec.c
+++ executer/user/mcexec.c
+@@ -3458,6 +3458,12 @@ overlay_path(int dirfd, const char *in, char *buf, int *resolvelinks)
+ 		goto checkexist_resolvelinks;
+ 	}
+ 
+	/* for #1463's test */
+	if (!strncmp(path, "/tmp", 4) &&
+	    (path[4] == '/' || path[4] == '\0')) {
+		goto checkexist_resolvelinks;
+	}
+
+ 	return in;
+ 
+ checkexist_resolvelinks: