linux-kernel - [PATCH] mod_sysfs_setup() doesn't return errno when kobject_add

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Date:	Sat, 14 Apr 2007 15:08:12 +0900
From:	Akinobu Mita <akinobu.mita@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: [PATCH] mod_sysfs_setup() doesn't return errno when kobject_add_dir() failure occurs

mod_sysfs_setup() doesn't return an errno when kobject_add_dir()
for module "holders" directory fails. So caller of mod_sysfs_setup()
will keep going and get oops.

Signed-off-by: Akinobu Mita <akinobu.mita@...il.com>

Index: 2.6-mm/kernel/module.c
===================================================================
--- 2.6-mm.orig/kernel/module.c
+++ 2.6-mm/kernel/module.c
@@ -1423,8 +1423,10 @@ int mod_sysfs_setup(struct module *mod,
 		goto out;
 
 	mod->holders_dir = kobject_add_dir(&mod->mkobj.kobj, "holders");
-	if (!mod->holders_dir)
+	if (!mod->holders_dir) {
+		err = -ENOMEM;
 		goto out_unreg;
+	}
 
 	err = module_param_sysfs_setup(mod, kparam, num_params);
 	if (err)
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/