linux-kernel - Re: [syzbot] [PATCH] Tried to correct

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Message-ID: <000000000000c0be0d060aae7c5b@google.com>
Date:   Tue, 21 Nov 2023 11:19:53 -0800
From:   syzbot <syzbot+c52569baf0c843f35495@...kaller.appspotmail.com>
To:     linux-kernel@...r.kernel.org
Subject: Re: [syzbot] [PATCH] Tried to correct

For archival purposes, forwarding an incoming command email to
linux-kernel@...r.kernel.org.

***

Subject: [PATCH] Tried to correct
Author: tintinm2017@...il.com

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

Signed-off-by: attreyee-muk <tintinm2017@...il.com>
---
 drivers/hid/usbhid/hid-core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index a90ed2ceae84..582ddbef448f 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -1021,6 +1021,8 @@ static int usbhid_parse(struct hid_device *hid)
 	       (hdesc->bLength - offset) / sizeof(struct hid_class_descriptor));
 
 	for (n = 0; n < num_descriptors; n++)
+		if (n >= ARRAY_SIZE(hdesc->desc))
+			break;
 		if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT)
 			rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength);
 
-- 
2.34.1