linux-kernel - Re: [-next] strace tests fail because of "y2038: socket: Add compat_sys_recvmmsg

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Message-ID: <CAK8P3a0kLHcfAtVVuVBqwcQJE+qk6LAO9TBJO2Sb2_m6z5cn8g@mail.gmail.com>
Date:   Mon, 17 Dec 2018 22:40:31 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Heiko Carstens <heiko.carstens@...ibm.com>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-s390 <linux-s390@...r.kernel.org>,
        Martin Schwidefsky <schwidefsky@...ibm.com>
Subject: Re: [-next] strace tests fail because of "y2038: socket: Add compat_sys_recvmmsg_time64"

On Mon, Dec 17, 2018 at 2:06 PM Heiko Carstens
<heiko.carstens@...ibm.com> wrote:
>
> Hi Arnd,
>
> in linux-next as of today 16 strace self tests fail on s390. I could
> bisect this to b136972b063b ("y2038: socket: Add compat_sys_recvmmsg_time64").
>
> The following tests fail:

Hi Heiko,

Thanks for the report and sorry I broke things. I'll have a closer look
tomorrow if I don't find it right away. I suppose the regression was in
native system calls, not the compat syscalls with 31-bit user space,
right?

     Arnd

> mmsg.gen.test
> clock.gen.test
> regex.gen.test
> sched.gen.test
> trace_fstatfs.gen.test
> trace_personality_regex_64.gen.test
> trace_fstat.gen.test
> trace_personality_32.gen.test
> trace_question.gen.test
> trace_personality_regex_32.gen.test
> trace_personality_64.gen.test
> trace_stat.gen.test
> trace_statfs.gen.test
> trace_lstat.gen.test
> trace_stat_like.gen.test
> trace_statfs_like.gen.test
>
> If needed the s390 kernel config can be re-created with
>
> make ARCH=s390 performance_defconfig
>
> strace self tests can be reproduced with
>
> > git clone https://gitlab.com/strace/strace.git
> > cd strace
> > ./bootstrap
> > ./configure
> > make
> > cd tests
> > make check
>