46 lines
1.9 KiB
Diff
46 lines
1.9 KiB
Diff
From fbe5fa22f5b99d4e444db54aadb661e9c932eb6c Mon Sep 17 00:00:00 2001
|
|
From: Lennart Poettering <lennart@poettering.net>
|
|
Date: Fri, 16 Nov 2018 13:00:40 +0100
|
|
Subject: [PATCH] sd-bus: make strict asan shut up
|
|
|
|
asan doesn't like it if we use strndup() (i.e. a string function) on a
|
|
non-NULL terminated buffer (i.e. something that isn't really a string).
|
|
|
|
Let's hence use memdup_suffix0() instead of strndup(), which is more
|
|
appropriate for binary data that is to become a string.
|
|
|
|
Fixes: #10385
|
|
(cherry picked from commit ac0a94f7438b49a0890d9806db1fa211a5bca10a)
|
|
|
|
Resolves: #1761519
|
|
---
|
|
src/libsystemd/sd-bus/bus-message.c | 7 +++++--
|
|
1 file changed, 5 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/src/libsystemd/sd-bus/bus-message.c b/src/libsystemd/sd-bus/bus-message.c
|
|
index 53cbd675b7..19cb2b9a97 100644
|
|
--- a/src/libsystemd/sd-bus/bus-message.c
|
|
+++ b/src/libsystemd/sd-bus/bus-message.c
|
|
@@ -5101,6 +5101,7 @@ int bus_message_parse_fields(sd_bus_message *m) {
|
|
return -EBADMSG;
|
|
|
|
if (*p == 0) {
|
|
+ char *k;
|
|
size_t l;
|
|
|
|
/* We found the beginning of the signature
|
|
@@ -5114,9 +5115,11 @@ int bus_message_parse_fields(sd_bus_message *m) {
|
|
p[1 + l - 1] != SD_BUS_TYPE_STRUCT_END)
|
|
return -EBADMSG;
|
|
|
|
- if (free_and_strndup(&m->root_container.signature,
|
|
- p + 1 + 1, l - 2) < 0)
|
|
+ k = memdup_suffix0(p + 1 + 1, l - 2);
|
|
+ if (!k)
|
|
return -ENOMEM;
|
|
+
|
|
+ free_and_replace(m->root_container.signature, k);
|
|
break;
|
|
}
|
|
|