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From: Greg KH <gregkh@linuxfoundation.org>
To: Jeffin Philip <jeffinphilip14@gmail.com>
Cc: xu.yang_2@nxp.com, Frank.Li@nxp.com,
	panjunzhong@linux.spacemit.com, kees@kernel.org,
	linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
	syzbot+8dcac923582c28505fd7@syzkaller.appspotmail.com
Subject: Re: [PATCH] Fix Null Pointer Dereference in uvcg_video_init()
Date: Thu, 30 Jul 2026 08:16:17 +0200	[thread overview]
Message-ID: <2026073040-popular-provoke-8d7e@gregkh> (raw)
In-Reply-To: <20260730055705.13784-1-jeffinphilip14@gmail.com>

On Thu, Jul 30, 2026 at 11:27:05AM +0530, Jeffin Philip wrote:
> uvcg_video_init references video->uvc before assigning it
> leading to a null pointer dereference. Fix this by assigning
> video->uvc first and then dereferencing it later.

Please say _when_ this dereference happens (i.e. in an error path only,
right?)

> Reported-by: syzbot+8dcac923582c28505fd7@syzkaller.appspotmail.com
> Fixes: https://syzkaller.appspot.com/bug?extid=8dcac923582c28505fd7
> Signed-off-by: Jeffin Philip <jeffinphilip14@gmail.com>

No cc: stable or Fixes: tag?

thanks,

greg k-h

  reply	other threads:[~2026-07-30  6:16 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-30  5:57 [PATCH] Fix Null Pointer Dereference in uvcg_video_init() Jeffin Philip
2026-07-30  6:16 ` Greg KH [this message]
2026-07-30  6:40 ` Xu Yang

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