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-rw-r--r--io_uring/tctx.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/io_uring/tctx.c b/io_uring/tctx.c
index 503f3ff8bc4f..adc6e42c14df 100644
--- a/io_uring/tctx.c
+++ b/io_uring/tctx.c
@@ -47,8 +47,19 @@ static struct io_wq *io_init_wq_offload(struct io_ring_ctx *ctx,
void __io_uring_free(struct task_struct *tsk)
{
struct io_uring_task *tctx = tsk->io_uring;
+ struct io_tctx_node *node;
+ unsigned long index;
- WARN_ON_ONCE(!xa_empty(&tctx->xa));
+ /*
+ * Fault injection forcing allocation errors in the xa_store() path
+ * can lead to xa_empty() returning false, even though no actual
+ * node is stored in the xarray. Until that gets sorted out, attempt
+ * an iteration here and warn if any entries are found.
+ */
+ xa_for_each(&tctx->xa, index, node) {
+ WARN_ON_ONCE(1);
+ break;
+ }
WARN_ON_ONCE(tctx->io_wq);
WARN_ON_ONCE(tctx->cached_refs);