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authorBorislav Petkov <bp@suse.de>2022-07-11 09:58:01 +0200
committerBorislav Petkov <bp@suse.de>2022-07-11 09:58:01 +0200
commit5a88c48f4146de2c8c2ed7ddcaa76f898869f3a3 (patch)
treefc501a1b940026cbd5316f8665236c109d5f1a2e /net/socket.c
parentb69a2afd5afce9bf6d56e349d6ab592c916e20f2 (diff)
parent32346491ddf24599decca06190ebca03ff9de7f8 (diff)
Merge tag 'v5.19-rc6' into tip:x86/kdump
Merge rc6 to pick up dependent changes to the bootparam UAPI header. Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'net/socket.c')
-rw-r--r--net/socket.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/net/socket.c b/net/socket.c
index 2bc8773d9dc5..96300cdc0625 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2149,10 +2149,13 @@ SYSCALL_DEFINE4(send, int, fd, void __user *, buff, size_t, len,
int __sys_recvfrom(int fd, void __user *ubuf, size_t size, unsigned int flags,
struct sockaddr __user *addr, int __user *addr_len)
{
+ struct sockaddr_storage address;
+ struct msghdr msg = {
+ /* Save some cycles and don't copy the address if not needed */
+ .msg_name = addr ? (struct sockaddr *)&address : NULL,
+ };
struct socket *sock;
struct iovec iov;
- struct msghdr msg;
- struct sockaddr_storage address;
int err, err2;
int fput_needed;
@@ -2163,14 +2166,6 @@ int __sys_recvfrom(int fd, void __user *ubuf, size_t size, unsigned int flags,
if (!sock)
goto out;
- msg.msg_control = NULL;
- msg.msg_controllen = 0;
- /* Save some cycles and don't copy the address if not needed */
- msg.msg_name = addr ? (struct sockaddr *)&address : NULL;
- /* We assume all kernel code knows the size of sockaddr_storage */
- msg.msg_namelen = 0;
- msg.msg_iocb = NULL;
- msg.msg_flags = 0;
if (sock->file->f_flags & O_NONBLOCK)
flags |= MSG_DONTWAIT;
err = sock_recvmsg(sock, &msg, flags);
@@ -2375,6 +2370,7 @@ int __copy_msghdr_from_user(struct msghdr *kmsg,
return -EFAULT;
kmsg->msg_control_is_user = true;
+ kmsg->msg_get_inq = 0;
kmsg->msg_control_user = msg.msg_control;
kmsg->msg_controllen = msg.msg_controllen;
kmsg->msg_flags = msg.msg_flags;