netdev - [PATCH io_uring 1/1] io_uring/zcrx: fix page array leak

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Message-ID: <8b46043155b3abd8a6421c6aa9a61064d1d430e4.1769962652.git.asml.silence@gmail.com>
Date: Sun,  1 Feb 2026 21:18:53 +0000
From: Pavel Begunkov <asml.silence@...il.com>
To: io-uring@...r.kernel.org
Cc: asml.silence@...il.com,
	axboe@...nel.dk,
	netdev@...r.kernel.org
Subject: [PATCH io_uring 1/1] io_uring/zcrx: fix page array leak

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@...il.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