linux-kernel - Re: [syzbot] [usb?] KMSAN: kernel-infoleak in iowarrior

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Message-Id: <20240912142145.8418-1-aha310510@gmail.com>
Date: Thu, 12 Sep 2024 23:21:45 +0900
From: Jeongjun Park <aha310510@...il.com>
To: syzbot+b8080cbc8d286a5fa23a@...kaller.appspotmail.com
Cc: syzkaller-bugs@...glegroups.com,
	linux-kernel@...r.kernel.org
Subject: Re: [syzbot] [usb?] KMSAN: kernel-infoleak in iowarrior_read

#syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

---
 drivers/usb/misc/iowarrior.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index 6d28467ce352..9b5acb312a02 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -833,7 +833,7 @@ static int iowarrior_probe(struct usb_interface *interface,
 			 dev->int_in_endpoint->bInterval);
 	/* create an internal buffer for interrupt data from the device */
 	dev->read_queue =
-	    kmalloc_array(dev->report_size + 1, MAX_INTERRUPT_BUFFER,
+	    kcalloc(dev->report_size + 1, MAX_INTERRUPT_BUFFER,
 			  GFP_KERNEL);
 	if (!dev->read_queue)
 		goto error;
--