We may account memory to a memcg of a request that didn't even got to
the network layer. It's not a bug as it'll be routinely cleaned up on
flush, but it might be confusing for the userspace.
Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx>
---
io_uring/net.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/io_uring/net.c b/io_uring/net.c
index 2129562bfd9f..f7cbd716817f 100644
--- a/io_uring/net.c
+++ b/io_uring/net.c
@@ -977,6 +977,14 @@ int io_sendzc(struct io_kiocb *req, unsigned int issue_flags)
msg.msg_controllen = 0;
msg.msg_namelen = 0;
+ if (zc->addr) {
+ ret = move_addr_to_kernel(zc->addr, zc->addr_len, &address);
+ if (unlikely(ret < 0))
+ return ret;
+ msg.msg_name = (struct sockaddr *)&address;
+ msg.msg_namelen = zc->addr_len;
+ }
+
if (zc->flags & IORING_RECVSEND_FIXED_BUF) {
ret = io_import_fixed(WRITE, &msg.msg_iter, req->imu,
(u64)(uintptr_t)zc->buf, zc->len);
@@ -992,14 +1000,6 @@ int io_sendzc(struct io_kiocb *req, unsigned int issue_flags)
return ret;
}
- if (zc->addr) {
- ret = move_addr_to_kernel(zc->addr, zc->addr_len, &address);
- if (unlikely(ret < 0))
- return ret;
- msg.msg_name = (struct sockaddr *)&address;
- msg.msg_namelen = zc->addr_len;
- }
-
msg_flags = zc->msg_flags | MSG_ZEROCOPY;
if (issue_flags & IO_URING_F_NONBLOCK)
msg_flags |= MSG_DONTWAIT;
--
2.37.0
