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Date: Sat, 19 Jul 2014 18:31:26 +0200 From: David Herrmann <dh.herrmann@...il.com> To: Hugh Dickins <hughd@...gle.com> Cc: linux-kernel <linux-kernel@...r.kernel.org>, Michael Kerrisk <mtk.manpages@...il.com>, Ryan Lortie <desrt@...rt.ca>, Linus Torvalds <torvalds@...ux-foundation.org>, Andrew Morton <akpm@...ux-foundation.org>, linux-mm <linux-mm@...ck.org>, linux-fsdevel <linux-fsdevel@...r.kernel.org>, Linux API <linux-api@...r.kernel.org>, Greg Kroah-Hartman <greg@...ah.com>, John Stultz <john.stultz@...aro.org>, Lennart Poettering <lennart@...ttering.net>, Daniel Mack <zonque@...il.com>, Kay Sievers <kay@...y.org>, Tony Battersby <tonyb@...ernetics.com>, Andy Lutomirski <luto@...capital.net> Subject: Re: [PATCH v3 4/7] selftests: add memfd_create() + sealing tests Hi On Wed, Jul 16, 2014 at 12:07 PM, Hugh Dickins <hughd@...gle.com> wrote: > On Fri, 13 Jun 2014, David Herrmann wrote: > >> Some basic tests to verify sealing on memfds works as expected and >> guarantees the advertised semantics. >> >> Signed-off-by: David Herrmann <dh.herrmann@...il.com> > > Thanks for whatever the fix was, I didn't hit any problem running > this version repeatedly, on 64-bit and on 32-bit. glibc does pid-caching so getpid() can be skipped once called. fork() and clone() have to update it, though. Therefore, you shouldn't mix fork() and clone() in the same process. I replaced my fork() call with a simple clone() and the bug was gone. Thanks David -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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