diff options
Diffstat (limited to 'pkg/sentry')
-rw-r--r-- | pkg/sentry/socket/control/control.go | 10 | ||||
-rw-r--r-- | pkg/sentry/syscalls/linux/sys_socket.go | 2 | ||||
-rw-r--r-- | pkg/sentry/syscalls/linux/vfs2/socket.go | 2 |
3 files changed, 6 insertions, 8 deletions
diff --git a/pkg/sentry/socket/control/control.go b/pkg/sentry/socket/control/control.go index ff6b71802..65b556489 100644 --- a/pkg/sentry/socket/control/control.go +++ b/pkg/sentry/socket/control/control.go @@ -463,7 +463,7 @@ func CmsgsSpace(t *kernel.Task, cmsgs socket.ControlMessages) int { } // Parse parses a raw socket control message into portable objects. -func Parse(t *kernel.Task, socketOrEndpoint interface{}, buf []byte) (socket.ControlMessages, error) { +func Parse(t *kernel.Task, socketOrEndpoint interface{}, buf []byte, width uint) (socket.ControlMessages, error) { var ( cmsgs socket.ControlMessages fds linux.ControlMessageRights @@ -487,10 +487,6 @@ func Parse(t *kernel.Task, socketOrEndpoint interface{}, buf []byte) (socket.Con i += linux.SizeOfControlMessageHeader length := int(h.Length) - linux.SizeOfControlMessageHeader - // The use of t.Arch().Width() is analogous to Linux's use of - // sizeof(long) in CMSG_ALIGN. - width := t.Arch().Width() - switch h.Level { case linux.SOL_SOCKET: switch h.Type { @@ -526,8 +522,10 @@ func Parse(t *kernel.Task, socketOrEndpoint interface{}, buf []byte) (socket.Con if length < linux.SizeOfTimeval { return socket.ControlMessages{}, syserror.EINVAL } + var ts linux.Timeval + binary.Unmarshal(buf[i:i+linux.SizeOfTimeval], usermem.ByteOrder, &ts) + cmsgs.IP.Timestamp = ts.ToNsecCapped() cmsgs.IP.HasTimestamp = true - binary.Unmarshal(buf[i:i+linux.SizeOfTimeval], usermem.ByteOrder, &cmsgs.IP.Timestamp) i += binary.AlignUp(length, width) default: diff --git a/pkg/sentry/syscalls/linux/sys_socket.go b/pkg/sentry/syscalls/linux/sys_socket.go index 4adfa6637..fe45225c1 100644 --- a/pkg/sentry/syscalls/linux/sys_socket.go +++ b/pkg/sentry/syscalls/linux/sys_socket.go @@ -1030,7 +1030,7 @@ func sendSingleMsg(t *kernel.Task, s socket.Socket, file *fs.File, msgPtr userme return 0, err } - controlMessages, err := control.Parse(t, s, controlData) + controlMessages, err := control.Parse(t, s, controlData, t.Arch().Width()) if err != nil { return 0, err } diff --git a/pkg/sentry/syscalls/linux/vfs2/socket.go b/pkg/sentry/syscalls/linux/vfs2/socket.go index 987012acc..f5795b4a8 100644 --- a/pkg/sentry/syscalls/linux/vfs2/socket.go +++ b/pkg/sentry/syscalls/linux/vfs2/socket.go @@ -1033,7 +1033,7 @@ func sendSingleMsg(t *kernel.Task, s socket.SocketVFS2, file *vfs.FileDescriptio return 0, err } - controlMessages, err := control.Parse(t, s, controlData) + controlMessages, err := control.Parse(t, s, controlData, t.Arch().Width()) if err != nil { return 0, err } |