From: Mike Frysinger <vapier@gentoo.org>
To: Markos Chandras <Markos.Chandras@imgtec.com>
Cc: Joseph Myers <joseph@codesourcery.com>,
libc-alpha@sourceware.org, linux-mips@linux-mips.org,
kumba@gentoo.org
Subject: Re: [PATCH] mips: siginfo.h: add SIGSYS details [BZ #18863]
Date: Thu, 27 Aug 2015 18:09:04 -0400 [thread overview]
Message-ID: <20150827220904.GD29734@vapier> (raw)
In-Reply-To: <55DEC3B9.1070105@imgtec.com>
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On 27 Aug 2015 09:00, Markos Chandras wrote:
> On 08/26/2015 06:10 PM, Mike Frysinger wrote:
> > On 26 Aug 2015 09:30, Joseph Myers wrote:
> >> On Wed, 26 Aug 2015, Mike Frysinger wrote:
> >>> Linux 3.13 added SIGSYS details to siginfo_t; update glibc's copy to
> >>> keep in sync with it.
> >>>
> >>> 2015-08-25 Mike Frysinger <vapier@gentoo.org>
> >>>
> >>> [BZ #18863]
> >>> * sysdeps/unix/sysv/linux/mips/bits/siginfo.h (siginfo_t): Add _sigsys.
> >>> (si_call_addr): Define.
> >>> (si_syscall): Define.
> >>> (si_arch): Define.
> >>
> >> OK. CC to linux-mips because I see that the MIPS implementation of
> >> copy_siginfo_to_user32 doesn't handle __SI_SYS, unlike arm64 at least, so
> >> I suspect this won't in fact work for n32 or for o32 with a 64-bit kernel.
> >
> > i'm getting reports of seccomp misbehavior on mips already which is what
> > started me down this glibc path. i suspect the original port was tested
> > against o32 kernels only.
> > -mike
> >
>
> I have recently tested mips64 n64/n32 with the testsuite from libseccomp
> and that led me to this fix
>
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9f161439e4104b641a7bfb9b89581d801159fec8
>
> if you are aware of other problems (and perhaps a test to trigger them)
> that could be kernel related let me know
i was waiting on kumba to file a bug, and recover my mips box when i got
local access to it again to check another report. but if libseccomp is
passing its unittests now as n64/n32 userland, i think that should cover
things.
-mike
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prev parent reply other threads:[~2015-08-27 22:09 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1440563342-5411-1-git-send-email-vapier@gentoo.org>
2015-08-26 9:30 ` [PATCH] mips: siginfo.h: add SIGSYS details [BZ #18863] Joseph Myers
2015-08-26 9:30 ` Joseph Myers
2015-08-26 17:10 ` Mike Frysinger
2015-08-27 8:00 ` Markos Chandras
2015-08-27 8:00 ` Markos Chandras
2015-08-27 9:41 ` Joseph Myers
2015-08-27 9:41 ` Joseph Myers
2015-08-27 9:56 ` Markos Chandras
2015-08-27 9:56 ` Markos Chandras
2015-08-27 22:09 ` Mike Frysinger [this message]
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