Waiman Long <long...@redhat.com> writes: > On 7/20/19 4:41 AM, Luis Henriques wrote: >> "Linus Torvalds" <torva...@linux-foundation.org> writes: >> >>> On Fri, Jul 19, 2019 at 12:32 PM Waiman Long <long...@redhat.com> wrote: >>>> This patch shouldn't change the behavior of the rwsem code. The code >>>> only access data within the rw_semaphore structures. I don't know why it >>>> will cause a KASAN error. I will have to reproduce it and figure out >>>> exactly which statement is doing the invalid access. >>> The stack traces should show line numbers if you run them through >>> scripts/decode_stacktrace.sh. >>> >>> You need to have debug info enabled for that, though. >>> >>> Luis? >>> >>> Linus >> Yep, sure. And I should have done this in the initial report. It's a >> different trace, I had to recompile the kernel. >> >> (I'm also adding Jeff to the CC list.) >> >> Cheers, > > Thanks for the information. I think I know where the problem is. Would > you mind applying the attached patch to see if it can fix the KASAN error.
Yep, that seems to work -- I can't reproduce the error anymore (and sorry for the delay). Thanks! And feel free to add my Tested-by. Cheers, -- Luis
