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

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Message-ID: <56cd61d5-b821-4481-9f67-1cfff01abfb2@rowland.harvard.edu>
Date: Sun, 13 Jul 2025 21:11:28 -0400
From: Alan Stern <stern@...land.harvard.edu>
To: syzbot <syzbot+fbe9fff1374eefadffb9@...kaller.appspotmail.com>
Cc: gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [usb?] KMSAN: kernel-usb-infoleak in usbhid_raw_request

On Sun, Jul 13, 2025 at 02:20:02PM -0700, syzbot wrote:
> Hello,
> 
> syzbot tried to test the proposed patch but the build/boot failed:
> 
> failed to checkout kernel repo git://git.kernel.org/pub/scm/linux/kernel/git/hid on commit c2ca42f190b6: failed to run ["git" "fetch" "--force" "--tags" "d2f5fa5d883c5402c78965af80c005a5cbdbc6c0"]: exit status 128
> fatal: remote error: access denied or repository not exported: /pub/scm/linux/kernel/git/hid
> 
> 
> 
> Tested on:
> 
> commit:         [unknown 
> git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/hid c2ca42f190b6
> kernel config:  https://syzkaller.appspot.com/x/.config?x=76c2fb9aa0954fb8
> dashboard link: https://syzkaller.appspot.com/bug?extid=fbe9fff1374eefadffb9
> compiler:       
> 
> Note: no patches were applied.

Hmmm.  Apparently syzbot doesn't like git:// URIs.  Let's try again with 
https:// instead.  (It's really hard to keep track of this sort of thing 
when all syzbot usually tells you is that the git tree it tested was 
"upstream".  Grumble.)

Alan Stern

#syz test: https://git.kernel.org/pub/scm/linux/kernel/git/hid c2ca42f190b6