diff options
| author | Tejun Heo <tj@kernel.org> | 2008-11-13 13:20:00 +0900 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2008-12-01 09:35:28 +1100 |
| commit | 7231e5eede2b73f2de9790f3c7688445b32f9dab (patch) | |
| tree | c6848a7eaf75258f7f07b8e21090b3e254d5189f /lib | |
| parent | 940cc36f38f474dac06dd8f99e1da3f0e1f71bab (diff) | |
uevent: don't pass envp_ext[] as format string in kobject_uevent_env()
kobject_uevent_env() uses envp_ext[] as verbatim format string which
can cause problems ranging from unexpectedly mangled string to oops if
a string in envp_ext[] contains substring which can be interpreted as
format. Fix it.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/kobject_uevent.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c index 3f914725bda8..ca215bc2329a 100644 --- a/lib/kobject_uevent.c +++ b/lib/kobject_uevent.c @@ -165,7 +165,7 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action, /* keys passed in from the caller */ if (envp_ext) { for (i = 0; envp_ext[i]; i++) { - retval = add_uevent_var(env, envp_ext[i]); + retval = add_uevent_var(env, "%s", envp_ext[i]); if (retval) goto exit; } |