From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DE10D456DF7; Thu, 27 Aug 2026 12:50:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787835039; cv=none; b=Eye2KnktLBWH85XdcI4gAZCbq82a8gz8mHeH59DumOSC92Pf0Lr0bfsR26z5R4oqo1b4LykIYq4QvPy4uRX5pRNOz6YDEOmY205jyp+hDRvExycEpyItdlu6pteMrYWAdr5vMpJ/vz+lJLIQrzDofaR1Fpi4taNB7N2uOhM4Sjc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787835039; c=relaxed/simple; bh=1iIpC9RkPuPku/UCFkG/HdiqF/EnhMoNVdpT9LubIwA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=abOinkjf8KO0JYE2MqPkMXgkNhfJJtmWJwRgWL27GA0w3BtvYQWm5BTA2M2ajkYJJZ6H9z20cyMgW8Wh4BPkEXEnCiRSbVpdv19p0QnphiXf3gJ8t9Et4Vl8Gt5bcwHY4K9ucgXvzrMLYnmuMNoYbwHEWmzx+XkbmpV8pFjrtOQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=lES0SR6u; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="lES0SR6u" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9A63D1F000E9; Thu, 27 Aug 2026 12:50:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1787835019; bh=gtS6q6O/w1dDUK31mqtpp0OkjQMD1ZAPP6gYriMN9xI=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=lES0SR6u/MkJorNAwCbTun/UAL83NHvGMKDjnA7tlU4hQw3LIbsNuJTxJ3pVs533v FwCNrM7DmkIPCyPWHdagxejRgP77RjR6KV0zqxMKEkZ3F8zTRWJSzqG4lsXAcx4BSH 7Bn6rtd5u5NyxFeKuzJHvMZKb5zZx4ZA25w6ReEQ= Date: Thu, 27 Aug 2026 14:50:17 +0200 From: Greg Kroah-Hartman To: co Cc: linux-usb@vger.kernel.org, Mathias Nyman , linux-kernel@vger.kernel.org Subject: Re: [BUG] drivers/usb: out-of-bounds in xhci_queue_bulk_tx() Message-ID: <2026082732-flaccid-overpay-0985@gregkh> References: Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Thu, Aug 27, 2026 at 12:43:58PM +0000, co wrote: > We found a bug reachable in: > > path drivers/usb/host > crash out-of-bounds in xhci_queue_bulk_tx() > commit bd5f485f3f02 ("Merge tag 'soc-arm-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc") > > Config, environment, the sanitizer report and a C reproducer follow. > > == Notes =============================================================== > If you patch the bug based on our artifacts, a tag would be > appreciated: > > Reported-by: co+fd80bc5967eb22c3@bugs.sh > > Everything in this mail is validated by the reproducer below. > > We also hold an LLM-generated root-cause analysis and a candidate > patch. The patch passes an A/B test: the same reproducer panics the > unpatched kernel and runs clean on the patched one. Neither has had > human review, so both still require validation before you send or > apply them. Available on: > > patch.diff https://bugs.sh/b/fd80bc5967eb22c3/patch.diff > report.md https://bugs.sh/b/fd80bc5967eb22c3/report.md Please validate and ensure that this is correct before sending this to us. No need for us to dig through random web links, right? thanks, greg k-h