パッチ
--- /usr/src/usr.bin/su/su.c (revision 219237)
+++ /usr/src/usr.bin/su/su.c (working copy)
@@ -255,8 +255,8 @@
/* get current login name, real uid and shell */
ruid = getuid();
username = getlogin();
- pwd = getpwnam(username);
- if (username == NULL || pwd == NULL || pwd->pw_uid != ruid)
+ if (username == NULL ||
+ (pwd = getpwnam(username)) == NULL || pwd->pw_uid != ruid)
pwd = getpwuid(ruid);
if (pwd == NULL) {
#ifdef USE_BSM_AUDIT