[Linux-kernel-mentees] [PATCH] fs: fix KMSAN uninit-value bug by initializing nd in do_file_open_root
anant.thazhemadam at gmail.com
Sat Sep 19 11:33:50 UTC 2020
On 19-09-2020 22:25, Al Viro wrote:
> On Sat, Sep 19, 2020 at 05:17:27PM +0100, Al Viro wrote:
>> Lovely... That would get an empty path and non-directory for a starting
>> point, but it should end up with LAST_ROOT in nd->last_type. Which should
>> not be able to reach the readers of those fields... Which kernel had
>> that been on?
> Yecchhh... I see what's going on; I suspect that this ought to be enough.
> Folks, could somebody test it on the original reproducer setup?
Sure. I can do that.
More information about the Linux-kernel-mentees