qbit/go
1
0
Fork 0
mirror of https://github.com/golang/go synced 2024-11-23 21:40:05 -07:00
Code Releases Activity

syscall: fix uint64->int cast of control message header

Browse Source 
Change-Id: I28980b307d10730b122a4f833809bc400d6aff24
Reviewed-on: https://go-review.googlesource.com/22525
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Damien Neil 2016-04-27 11:08:58 -07:00
parent 78bcdeb6a3
commit 4edb40d441
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/syscall/sockcmsg_unix.go
View File

@ -62,7 +62,7 @@ func ParseSocketControlMessage(b []byte) ([]SocketControlMessage, error) {
func socketControlMessageHeaderAndData(b []byte) (*Cmsghdr, []byte, error) {
h := (*Cmsghdr)(unsafe.Pointer(&b[0]))
if h.Len < SizeofCmsghdr || int(h.Len) > len(b) {
if h.Len < SizeofCmsghdr || uint64(h.Len) > uint64(len(b)) {
return nil, nil, EINVAL
}
return h, b[cmsgAlignOf(SizeofCmsghdr):h.Len], nil