OK, will test the patch and feedback result. Ming Lei <ming.lei@xxxxxxxxxx> 于2024年11月11日周一 15:50写道： > > Hi Guangwu, > > On Mon, Nov 11, 2024 at 03:20:22PM +0800, Guangwu Zhang wrote: > > Hi, > > > > Get the fio error like below, please have a look if something wrong here, > > can not reproduce it if remove "--fixedbufs". > > > > Kernel repo: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git > > Commit: 51b3526f50cf5526b73d06bd44a0f5e3f936fb01 > > > > The issue should be fixed by the following patch: > > diff --git a/io_uring/uring_cmd.c b/io_uring/uring_cmd.c > index e7723759cb23..401c861ebc8e 100644 > --- a/io_uring/uring_cmd.c > +++ b/io_uring/uring_cmd.c > @@ -221,6 +221,7 @@ int io_uring_cmd_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) > struct io_ring_ctx *ctx = req->ctx; > struct io_rsrc_node *node; > > + req->buf_index = READ_ONCE(sqe->buf_index); > node = io_rsrc_node_lookup(&ctx->buf_table, req->buf_index); > if (unlikely(!node)) > return -EFAULT; > > > > Thanks, > Ming > -- Guangwu Zhang Thanks
