On 2018/11/23 23:36, Dan Carpenter wrote: > On Fri, Nov 23, 2018 at 10:01:25AM +0100, Michal Hocko wrote: >> On Fri 23-11-18 10:21:35, Dan Carpenter wrote: >>> We had intended to only print dentry->d_name.len characters but there is >>> a width vs precision typo so if the name isn't NUL terminated it will >>> read past the end of the buffer. >> >> OK, it took me quite some time to grasp what you mean here. The code >> works as expected because d_name.len and dname.name are in sync so there >> no spacing going to happen. Anyway what you propose is formally more >> correct I guess. >> > > Yeah. If we are sure that the name has a NUL terminator then this > change has no effect. There seems to be %pd which is designed for printing "struct dentry".