diff options
| author | Mark Brown <broonie@kernel.org> | 2020-12-11 17:47:55 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-12-11 17:47:55 +0000 |
| commit | 031616c434db05ce766f76c62865f55698e0924f (patch) | |
| tree | 7f29aa1ff3e7b51a8058cd570fb785c6e769b245 /net/socket.c | |
| parent | 064841ccfc49b2315dc0b797239862d3a343aa07 (diff) | |
| parent | 85a7555575a0e48f9b73db310d0d762a08a46d63 (diff) | |
Merge remote-tracking branch 'asoc/for-5.10' into asoc-linus
Diffstat (limited to 'net/socket.c')
| -rw-r--r-- | net/socket.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/socket.c b/net/socket.c index 58cac2da5f66..6e6cccc2104f 100644 --- a/net/socket.c +++ b/net/socket.c @@ -2628,9 +2628,11 @@ long __sys_recvmsg_sock(struct socket *sock, struct msghdr *msg, struct user_msghdr __user *umsg, struct sockaddr __user *uaddr, unsigned int flags) { - /* disallow ancillary data requests from this path */ - if (msg->msg_control || msg->msg_controllen) - return -EINVAL; + if (msg->msg_control || msg->msg_controllen) { + /* disallow ancillary data reqs unless cmsg is plain data */ + if (!(sock->ops->flags & PROTO_CMSG_DATA_ONLY)) + return -EINVAL; + } return ____sys_recvmsg(sock, msg, umsg, uaddr, flags, 0); } |