* [PATCH io_uring 1/1] io_uring/zcrx: fix page array leak
@ 2026-02-01 21:18 Pavel Begunkov
2026-02-02 15:21 ` Jens Axboe
0 siblings, 1 reply; 2+ messages in thread
From: Pavel Begunkov @ 2026-02-01 21:18 UTC (permalink / raw)
To: io-uring; +Cc: asml.silence, axboe, netdev
d9f595b9a65e ("io_uring/zcrx: fix leaking pages on sg init fail") fixed
a page leakage but didn't free the page array, release it as well.
Fixes: b84621d96ee02 ("io_uring/zcrx: allocate sgtable for umem areas")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
---
io_uring/zcrx.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/io_uring/zcrx.c b/io_uring/zcrx.c
index 8a9df72bc094..0c4b339f712e 100644
--- a/io_uring/zcrx.c
+++ b/io_uring/zcrx.c
@@ -209,6 +209,7 @@ static int io_import_umem(struct io_zcrx_ifq *ifq,
GFP_KERNEL_ACCOUNT);
if (ret) {
unpin_user_pages(pages, nr_pages);
+ kvfree(pages);
return ret;
}
--
2.52.0
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2026-02-01 21:18 [PATCH io_uring 1/1] io_uring/zcrx: fix page array leak Pavel Begunkov
2026-02-02 15:21 ` Jens Axboe
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