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Fri, 27 Feb 2026 02:10:19 -0800 (PST) Date: Fri, 27 Feb 2026 13:10:16 +0300 From: Dan Carpenter To: Harshit Mogalapalli Cc: error27@gmail.com, smatch@vger.kernel.org Subject: Re: [PATCH smatch] check_idr_alloc: Add a new check to detect start values < 0 Message-ID: References: <20260226132137.4179762-1-harshit.m.mogalapalli@oracle.com> Precedence: bulk X-Mailing-List: smatch@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: <20260226132137.4179762-1-harshit.m.mogalapalli@oracle.com> On Thu, Feb 26, 2026 at 05:21:37AM -0800, Harshit Mogalapalli wrote: > Motivation: https://lore.kernel.org/all/2026021413-CVE-2026-23149-8329@gregkh/ > > When user controlled data can pass start values < 0 to idr_alloc() > kernel hits a WARN_ON in run time. This check is to catch that using > static analysis. > > Signed-off-by: Harshit Mogalapalli > --- Applied. Thanks, Harshit! regads, dan carpenter