Re: kselftest: net: tls: hangs

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On Fri, 25 Mar 2022 16:13:33 -0600 Shuah Khan wrote:
> > # #  RUN           tls.13_sm4_gcm.splice_cmsg_to_pipe ...
> > # # tls.c:688:splice_cmsg_to_pipe:Expected splice(self->cfd, NULL,
> > p[1], NULL, send_len, 0) (10) == -1 (-1)
> > # # tls.c:689:splice_cmsg_to_pipe:Expected errno (2) == EINVAL (22)
> > # # splice_cmsg_to_pipe: Test terminated by timeout
> > # #          FAIL  tls.13_sm4_gcm.splice_cmsg_to_pipe
> > # not ok 217 tls.13_sm4_gcm.splice_cmsg_to_pipe
> > # #  RUN           tls.13_sm4_gcm.splice_dec_cmsg_to_pipe ...
> > # # tls.c:708:splice_dec_cmsg_to_pipe:Expected recv(self->cfd, buf,
> > send_len, 0) (10) == -1 (-1)
> > # # tls.c:709:splice_dec_cmsg_to_pipe:Expected errno (2) == EIO (5)
> > [  661.901558] kworker/dying (49) used greatest stack depth: 10576 bytes left  
> 
> This seems to be the problem perhaps.
>
> Jakub, any thoughts. The last change to tls.c was a while back.

Yes, sorry, kicked off a build and got distracted.

I can repro the failures, TLS=n in the config I must have not tested
that in the new cases.

But I can't repro the hung, and we have a timer at the hardness level
IIUC so IDK how this could "hang"?

Naresh, is there any stack trace in the logs? Can you repro on Linus's
tree?



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