rsync/Avoid-a-potential-out-of-bounds-read-in-daemon-mode-.patch
2019-09-30 11:16:28 -04:00

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Diff

From a3668685354e7457ac3e29634083906ee5435bf2 Mon Sep 17 00:00:00 2001
From: Wayne Davison <wayned@samba.org>
Date: Sat, 15 Dec 2018 16:52:53 -0800
Subject: [PATCH 09/36] Avoid a potential out-of-bounds read in daemon mode if
argc is 0.
Signed-off-by: root <root@localhost.localdomain>
---
NEWS | 3 +++
options.c | 4 ++++
2 files changed, 7 insertions(+)
diff --git a/options.c b/options.c
index 1c5b42d0..a07c8e13 100644
--- a/options.c
+++ b/options.c
@@ -1315,6 +1315,10 @@ int parse_arguments(int *argc_p, const char ***argv_p)
int opt;
int orig_protect_args = protect_args;
+ if (argc == 0) {
+ strlcpy(err_buf, "argc is zero!\n", sizeof err_buf);
+ return 0;
+ }
if (ref && *ref)
set_refuse_options(ref);
if (am_daemon) {
--
2.19.1