[Virtio-fs] [PULL 4/5] virtiofsd: Add _llseek to the seccomp whitelist

[Dr. David Alan Gilbert (git)]

From: Greg Kurz <groug at kaod.org>

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 at kaod.org>
Message-Id: <20210121171540.1449777-1-groug at kaod.org>
Reviewed-by: Dr. David Alan Gilbert <dgilbert at redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert at 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 a60d7da4b4..1ecf5bf318 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),
-- 
2.29.2