On Wed, 27 Feb 2019 23:44:13 +0900 Masami Hiramatsu <mhira...@kernel.org> wrote:
> Add "ustring" type for fetching user-space string from kprobe event. > User can specify ustring type at uprobe event, and it is same as > "string" for uprobe. > > Note that probe-event provides this option but it doesn't choose the > correct type automatically since we have not way to decide the address > is in user-space or not on some arch (and on some other arch, you can > fetch the string by "string" type). So user must carefully check the > target code (e.g. if you see __user on the target variable) and > use this new type. > > Signed-off-by: Masami Hiramatsu <mhira...@kernel.org> > --- > Changes in v2: > - Use strnlen_user() instead of open code for fetch_store_strlen_user(). Acked-by: Steven Rostedt (VMware) <rost...@goodmis.org> -- Steve
