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From: Petr Vorel <pvorel@suse.cz>
To: Ping Fang <pifang@redhat.com>
Cc: ltp@lists.linux.it
Subject: Re: [LTP] [PATCH v1] setfsuid02_16: Fix uid -1 too large for testing 16-bit version
Date: Tue, 14 Mar 2023 11:38:26 +0100	[thread overview]
Message-ID: <20230314103826.GB40740@pevik> (raw)
In-Reply-To: <CANKfEn6YtZRnFJYAePRg3e7W2yESMuVd=Lh4r4b9TpgUtGdYBQ@mail.gmail.com>

Hi Ping,

> > > __kernel_old_uid_t is not defined as 16bit on s390, ppc64le

> > I suppose limitation on s390 is because __kernel_old_uid_t is guarded only
> > for
> > kernel, right?


> Yes, userspace header will use definition in
> /usr/include/asm-generic/posix_types.h
> unsigned int break the size check.

Thanks for additional info.


> > arch/s390/include/uapi/asm/posix_types.h
> > #ifdef __KERNEL__
> > typedef unsigned short __kernel_old_uid_t;
> > typedef unsigned short __kernel_old_gid_t;
> > #define __kernel_old_uid_t __kernel_old_uid_t
> > #endif

> > > Then -1 will be translated into UINT_MAX fails the size check.
> > > s390, ppc64le use definition in /usr/include/asm-generic/posix_types.h
> > BTW do you test LTP syscalls on s930 and ppc (32bit)?


> I don't have these machines at hand.
Ah, I see it's broken on 64bit (not many people have 32bit for s390 or ppc).

Merged, thank you!

Kind regards,
Petr

-- 
Mailing list info: https://lists.linux.it/listinfo/ltp

      reply	other threads:[~2023-03-14 10:38 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-09  8:54 [LTP] [PATCH v1] setfsuid02_16: Fix uid -1 too large for testing 16-bit version Ping Fang
2023-03-13  9:00 ` Li Wang
2023-03-13 22:24 ` Petr Vorel
2023-03-14  1:43   ` Ping Fang
2023-03-14 10:38     ` Petr Vorel [this message]

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