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Re: [PATCH] virtiofsd: Add _llseek to the seccomp whitelist
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From: |
Dr. David Alan Gilbert |
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Subject: |
Re: [PATCH] virtiofsd: Add _llseek to the seccomp whitelist |
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Date: |
Thu, 21 Jan 2021 17:35:53 +0000 |
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User-agent: |
Mutt/1.14.6 (2020-07-11) |
* Greg Kurz (groug@kaod.org) wrote:
> This is how glibc implements lseek(2) on POWER.
>
> BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1917692
> Signed-off-by: Greg Kurz <groug@kaod.org>
OK, I'm going to assume that _llseek is present on pretty much
everything?
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> ---
> tools/virtiofsd/passthrough_seccomp.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/tools/virtiofsd/passthrough_seccomp.c
> b/tools/virtiofsd/passthrough_seccomp.c
> index a60d7da4b4e2..1ecf5bf318b3 100644
> --- a/tools/virtiofsd/passthrough_seccomp.c
> +++ b/tools/virtiofsd/passthrough_seccomp.c
> @@ -65,6 +65,7 @@ static const int syscall_whitelist[] = {
> SCMP_SYS(linkat),
> SCMP_SYS(listxattr),
> SCMP_SYS(lseek),
> + SCMP_SYS(_llseek), /* For POWER */
> SCMP_SYS(madvise),
> SCMP_SYS(mkdirat),
> SCMP_SYS(mknodat),
> --
> 2.26.2
>
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK