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SubjectRe: [PATCH] vfs: fix preadv64v2 and pwritev64v2 compat syscalls with offset == -1
On Sat, Feb 16, 2019 at 04:15:28PM +0100, Aurelien Jarno wrote:
> On 2019-01-12 20:07, Aurelien Jarno wrote:
> > On 2018-12-06 20:05, Aurelien Jarno wrote:
> > > The preadv2 and pwritev2 syscalls are supposed to emulate the readv and
> > > writev syscalls when offset == -1. Therefore the compat code should
> > > check for offset before calling do_compat_preadv64 and
> > > do_compat_pwritev64. This is the case for the preadv2 and pwritev2
> > > syscalls, but handling of offset == -1 is missing in their 64-bit
> > > equivalent.
> > >
> > > This patch fixes that, calling do_compat_readv and do_compat_writev when
> > > offset == -1. This fixes the following glibc tests on x32:
> > > - misc/tst-preadvwritev2
> > > - misc/tst-preadvwritev64v2
> > >
> > > Cc: Alexander Viro <viro@zeniv.linux.org.uk>
> > > Cc: H.J. Lu <hjl.tools@gmail.com>
> > > Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
> > > ---
> > > fs/read_write.c | 6 ++++++
> > > 1 file changed, 6 insertions(+)
> >
> > Any news about this patch?
> >
>
> Ping.

Applied

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