systemd/fix-agent-crash.patch

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From 148ded5c56d62dc358f566d322ea96dddfdd8faf Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 4 Jul 2011 18:59:54 +0200
Subject: [PATCH 1/2] password-agent: make sure not to access unallocated memory
Tracked down by Frederic Crozat
---
src/tty-ask-password-agent.c | 14 ++++++++------
1 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/src/tty-ask-password-agent.c b/src/tty-ask-password-agent.c
index d7e1eba..bee2f97 100644
--- a/src/tty-ask-password-agent.c
+++ b/src/tty-ask-password-agent.c
@@ -376,12 +376,14 @@ static int parse_password(const char *filename, char **wall) {
release_terminal();
}
- packet_length = 1+strlen(password)+1;
- if (!(packet = new(char, packet_length)))
- r = -ENOMEM;
- else {
- packet[0] = '+';
- strcpy(packet+1, password);
+ if (r >= 0) {
+ packet_length = 1+strlen(password)+1;
+ if (!(packet = new(char, packet_length)))
+ r = -ENOMEM;
+ else {
+ packet[0] = '+';
+ strcpy(packet+1, password);
+ }
}
free(password);
--
1.7.3.4
From 722dad411964f71adc0a22a74609d35308c8ab9b Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 4 Jul 2011 19:06:32 +0200
Subject: [PATCH 2/2] password-agent: actually really don't access unallocated memory
Fix for 9726f9ff11fa7b94dceed2972cd2453a08b9ee6a
---
src/tty-ask-password-agent.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/tty-ask-password-agent.c b/src/tty-ask-password-agent.c
index bee2f97..70d33ea 100644
--- a/src/tty-ask-password-agent.c
+++ b/src/tty-ask-password-agent.c
@@ -384,9 +384,9 @@ static int parse_password(const char *filename, char **wall) {
packet[0] = '+';
strcpy(packet+1, password);
}
- }
- free(password);
+ free(password);
+ }
}
if (r == -ETIME || r == -ENOENT) {
--
1.7.3.4