From: Pavel Begunkov <asml.silence@xxxxxxxxx> [ Upstream commit a278682dad37fd2f8d2f30d8e84e376a856ab472 ] If io_copy_iov() fails, it will break the loop and report success, albeit partially completed operation. Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx> Signed-off-by: Jens Axboe <axboe@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- fs/io_uring.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/io_uring.c b/fs/io_uring.c index 30a5687a17b6..69ff94558758 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -2505,7 +2505,7 @@ static int io_sqe_buffer_register(struct io_ring_ctx *ctx, void __user *arg, ret = io_copy_iov(ctx, &iov, arg, i); if (ret) - break; + goto err; /* * Don't impose further limits on the size and buffer -- 2.20.1
