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-rw-r--r--io_uring/io_uring.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 2e6891aadecc..66a93170ad68 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -3211,6 +3211,7 @@ static struct io_uring_reg_wait *io_get_ext_arg_reg(struct io_ring_ctx *ctx,
end > ctx->cq_wait_size))
return ERR_PTR(-EFAULT);
+ offset = array_index_nospec(offset, ctx->cq_wait_size - size);
return ctx->cq_wait_arg + offset;
}