We use array_index_nospec() for registered buffer indexes, but don't use it while poking into rsrc tags, fix that. Fixes: 634d00df5e1cf ("io_uring: add full-fledged dynamic buffers support") Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx> --- io_uring/rsrc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c index 11058e20bdcc..3c1538b8c8f4 100644 --- a/io_uring/rsrc.c +++ b/io_uring/rsrc.c @@ -517,7 +517,7 @@ static int __io_sqe_buffers_update(struct io_ring_ctx *ctx, } ctx->user_bufs[i] = imu; - *io_get_tag_slot(ctx->buf_data, offset) = tag; + *io_get_tag_slot(ctx->buf_data, i) = tag; } if (needs_switch) -- 2.40.0