|
 |
923a60 |
From f50fbeaf7c2ce57027f774d02d9e2b09f810ec2a Mon Sep 17 00:00:00 2001
|
|
|
923a60 |
From: Tom Gundersen <teg@jklm.no>
|
|
|
923a60 |
Date: Thu, 21 May 2015 15:22:07 +0200
|
|
|
923a60 |
Subject: [PATCH] udev: link-config - fix corruption
|
|
|
923a60 |
|
|
|
923a60 |
The parser used for MTU and Speed expects them to be size_t, not unsigned int.
|
|
|
923a60 |
|
|
|
923a60 |
This caused a corruption in the rest of the structure.
|
|
|
923a60 |
|
|
|
923a60 |
Reported by David O Neill <david.m.oneill@intel.com>.
|
|
|
923a60 |
|
|
|
923a60 |
(cherry picked from commit dab495dc23bf9a5ba0487a057bb594355555a0e9)
|
|
|
923a60 |
|
|
|
923a60 |
Cherry-picked from: dab495d
|
|
|
923a60 |
Resolves: #1222517
|
|
|
923a60 |
---
|
|
|
923a60 |
src/udev/net/link-config.c | 11 ++++++-----
|
|
|
923a60 |
src/udev/net/link-config.h | 4 ++--
|
|
|
923a60 |
2 files changed, 8 insertions(+), 7 deletions(-)
|
|
|
923a60 |
|
|
|
923a60 |
diff --git a/src/udev/net/link-config.c b/src/udev/net/link-config.c
|
|
|
923a60 |
index 8b3dc45d4e..489593f4fd 100644
|
|
|
923a60 |
--- a/src/udev/net/link-config.c
|
|
|
923a60 |
+++ b/src/udev/net/link-config.c
|
|
|
923a60 |
@@ -177,6 +177,9 @@ static int load_link(link_config_ctx *ctx, const char *filename) {
|
|
|
923a60 |
else
|
|
|
923a60 |
log_debug("Parsed configuration file %s", filename);
|
|
|
923a60 |
|
|
|
923a60 |
+ if (link->mtu > UINT_MAX || link->speed > UINT_MAX)
|
|
|
923a60 |
+ return -ERANGE;
|
|
|
923a60 |
+
|
|
|
923a60 |
link->filename = strdup(filename);
|
|
|
923a60 |
|
|
|
923a60 |
LIST_PREPEND(links, ctx->links, link);
|
|
|
923a60 |
@@ -379,10 +382,9 @@ int link_config_apply(link_config_ctx *ctx, link_config *config,
|
|
|
923a60 |
if (!old_name)
|
|
|
923a60 |
return -EINVAL;
|
|
|
923a60 |
|
|
|
923a60 |
- r = ethtool_set_speed(&ctx->ethtool_fd, old_name, config->speed / 1024,
|
|
|
923a60 |
- config->duplex);
|
|
|
923a60 |
+ r = ethtool_set_speed(&ctx->ethtool_fd, old_name, config->speed / 1024, config->duplex);
|
|
|
923a60 |
if (r < 0)
|
|
|
923a60 |
- log_warning_errno(r, "Could not set speed or duplex of %s to %u Mbps (%s): %m",
|
|
|
923a60 |
+ log_warning_errno(r, "Could not set speed or duplex of %s to %zu Mbps (%s): %m",
|
|
|
923a60 |
old_name, config->speed / 1024,
|
|
|
923a60 |
duplex_to_string(config->duplex));
|
|
|
923a60 |
|
|
|
923a60 |
@@ -461,8 +463,7 @@ int link_config_apply(link_config_ctx *ctx, link_config *config,
|
|
|
923a60 |
mac = config->mac;
|
|
|
923a60 |
}
|
|
|
923a60 |
|
|
|
923a60 |
- r = rtnl_set_link_properties(&ctx->rtnl, ifindex, config->alias, mac,
|
|
|
923a60 |
- config->mtu);
|
|
|
923a60 |
+ r = rtnl_set_link_properties(&ctx->rtnl, ifindex, config->alias, mac, config->mtu);
|
|
|
923a60 |
if (r < 0)
|
|
|
923a60 |
return log_warning_errno(r, "Could not set Alias, MACAddress or MTU on %s: %m", old_name);
|
|
|
923a60 |
|
|
|
923a60 |
diff --git a/src/udev/net/link-config.h b/src/udev/net/link-config.h
|
|
|
923a60 |
index cb434d1aee..f2e9174887 100644
|
|
|
923a60 |
--- a/src/udev/net/link-config.h
|
|
|
923a60 |
+++ b/src/udev/net/link-config.h
|
|
|
923a60 |
@@ -67,8 +67,8 @@ struct link_config {
|
|
|
923a60 |
NamePolicy *name_policy;
|
|
|
923a60 |
char *name;
|
|
|
923a60 |
char *alias;
|
|
|
923a60 |
- unsigned int mtu;
|
|
|
923a60 |
- unsigned int speed;
|
|
|
923a60 |
+ size_t mtu;
|
|
|
923a60 |
+ size_t speed;
|
|
|
923a60 |
Duplex duplex;
|
|
|
923a60 |
WakeOnLan wol;
|
|
|
923a60 |
|