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charger-manager: Ensure event is not used as format string 

commit 3594f4c0d7bc51e3a7e6d73c44e368ae079e42f3 upstream.

The exposed interface for cm_notify_event() could result in the event msg
string being parsed as a format string. Make sure it is only used as a
literal string.

Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Anton Vorontsov <cbou@mail.ru>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kees Cook 2013-06-06 13:52:21 -07:00 committed by Greg Kroah-Hartman
parent 0b72ac9665
commit e64c7e14f5
1 changed files with 1 additions and 1 deletions
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drivers/power/charger-manager.c
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@ -450,7 +450,7 @@ static void uevent_notify(struct charger_manager *cm, const char *event)
strncpy(env_str, event, UEVENT_BUF_SIZE);
kobject_uevent(&cm->dev->kobj, KOBJ_CHANGE);
dev_info(cm->dev, event);
dev_info(cm->dev, "%s", event);
}
/**