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-rw-r--r--pkg/sentry/socket/hostinet/socket_unsafe.go18
1 files changed, 17 insertions, 1 deletions
diff --git a/pkg/sentry/socket/hostinet/socket_unsafe.go b/pkg/sentry/socket/hostinet/socket_unsafe.go
index d3be2d825..86dc879d5 100644
--- a/pkg/sentry/socket/hostinet/socket_unsafe.go
+++ b/pkg/sentry/socket/hostinet/socket_unsafe.go
@@ -67,7 +67,23 @@ func ioctl(ctx context.Context, fd int, io usermem.IO, args arch.SyscallArgument
AddressSpaceActive: true,
})
return 0, err
-
+ case unix.SIOCGIFFLAGS:
+ cc := &usermem.IOCopyContext{
+ Ctx: ctx,
+ IO: io,
+ Opts: usermem.IOOpts{
+ AddressSpaceActive: true,
+ },
+ }
+ var ifr linux.IFReq
+ if _, err := ifr.CopyIn(cc, args[2].Pointer()); err != nil {
+ return 0, err
+ }
+ if _, _, errno := unix.Syscall(unix.SYS_IOCTL, uintptr(fd), cmd, uintptr(unsafe.Pointer(&ifr))); errno != 0 {
+ return 0, translateIOSyscallError(errno)
+ }
+ _, err := ifr.CopyOut(cc, args[2].Pointer())
+ return 0, err
default:
return 0, syserror.ENOTTY
}