APPLIED: [Disco/Eoan] LP: #1862588

[Kelsey Skunberg]

On 2020-04-10 09:00:05 , Thadeu Lima de Souza Cascardo wrote:
> [Impact]
> Running seccomp kernel selftests will fail.
> 
> [Test case]
> Run linux/tools/testing/selftests/seccomp/seccomp_bpf.
> 
> On failure:
> 
> seccomp_bpf.c:3149:global.user_notification_basic:Expected -1 (18446744073709551615) == ret (0)
> seccomp_bpf.c:3150:global.user_notification_basic:Expected EINVAL (22) == errno (0)
> global.user_notification_basic: Test failed at step #3
> [ FAIL ] global.user_notification_basic
> 
> On success:
> 
> [ RUN ] global.user_notification_basic
> [ OK ] global.user_notification_basic
> 
> [Regression potential]
> The test is checking that the given structure which the kernel will write to is
> all zeroes. It's doing it because it wants userspace to have the possibility in
> the future to give data there indicating support for an extension that might be
> developed in the future. As the test is there right now, not applying the
> breaking uABI fix might cause us to miss applications that would break in
> future kernels. As the backport for that is prone for more regression
> potential, we are deciding to revert the new test.
> 
> 
> 
> -- 

Applied to Disco/master-next and Eoan/master-next. Thank you!

-Kelsey

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