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From: syzbot <syzbot+56962eb32ba0136cd330@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org
Subject: Forwarded: [PATCH] Fix leak in get_1284_register reported by syzbot
Date: Thu, 16 Jul 2026 04:38:49 -0700	[thread overview]
Message-ID: <6a58c2c9.577457d1.8bd2.0020.GAE@google.com> (raw)
In-Reply-To: <6a588d44.c96faac9.59e0.0011.GAE@google.com>

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***

Subject: [PATCH] Fix leak in get_1284_register reported by syzbot
Author: michail.tatas@gmail.com

#syz test

Signed-off-by: Michail Tatas <michail.tatas@gmail.com>
---
 drivers/usb/misc/uss720.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c
index 1ce48f5832d7..bd0ad7c3261d 100644
--- a/drivers/usb/misc/uss720.c
+++ b/drivers/usb/misc/uss720.c
@@ -223,6 +223,7 @@ static int get_1284_register(struct parport *pp, unsigned char reg, unsigned cha
 	}
 	printk(KERN_WARNING "get_1284_register timeout\n");
 	kill_all_async_requests_priv(priv);
+	kref_put(&rq->ref_count, destroy_async);
 	return -EIO;
 }
 
-- 
2.43.0


  reply	other threads:[~2026-07-16 11:38 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-16  7:50 [syzbot] [usb?] memory leak in uss720_probe syzbot
2026-07-16 11:38 ` syzbot [this message]
2026-07-16 12:09 ` Forwarded: [PATCH] usb: misc: uss720: fix memory leak by replacing usb_unlink_urb with usb_kill_urb syzbot
2026-07-16 13:06   ` David Laight

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