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-rw-r--r--libbb/obscure.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libbb/obscure.c b/libbb/obscure.c
index 1112e11cb..3353df949 100644
--- a/libbb/obscure.c
+++ b/libbb/obscure.c
@@ -109,7 +109,7 @@ static const char *obscure_msg(const char *old_p, const char *new_p, const struc
return "similar to username";
}
/* no gecos as-is, as sub-string, reversed, capitalized, doubled */
- if (string_checker(new_p, pw->pw_gecos)) {
+ if (*pw->pw_gecos && string_checker(new_p, pw->pw_gecos)) {
return "similar to gecos";
}
/* hostname as-is, as sub-string, reversed, capitalized, doubled */