linux-kernel - Re: [syzbot] [input?] [usb?] KASAN: slab-use-after-free Read in steam_input

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Message-ID: <tencent_2FD373236F497A83B5C45FB762F77786DC05@qq.com>
Date: Sun, 23 Feb 2025 17:22:55 +0800
From: Edward Adam Davis <eadavis@...com>
To: syzbot+0154da2d403396b2bd59@...kaller.appspotmail.com
Cc: linux-kernel@...r.kernel.org,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [input?] [usb?] KASAN: slab-use-after-free Read in steam_input_open

#syz test

diff --git a/drivers/input/input.c b/drivers/input/input.c
index c9e3ac64bcd0..75d273630ce4 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -579,7 +579,7 @@ int input_open_device(struct input_handle *handle)
 	struct input_dev *dev = handle->dev;
 	int error;
 
-	scoped_cond_guard(mutex_intr, return -EINTR, &dev->mutex) {
+	scoped_cond_guard(mutex_intr, return -EINTR, &input_mutex) {
 		if (dev->going_away)
 			return -ENODEV;