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Tue, 17 Feb 2026 18:53:28 -0800 (PST) Precedence: bulk X-Mailing-List: linux-hyperv@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Tue, 17 Feb 2026 20:53:11 -0600 Message-Id: Cc: , , , , , Subject: Re: [PATCH] x86/hyperv: Fix error pointer deference From: "Ethan Tidmore" To: "Ethan Tidmore" , , , , , , , , , X-Mailer: aerc 0.21.0-0-g5549850facc2 References: <20260218024351.594068-1-ethantidmore06@gmail.com> In-Reply-To: <20260218024351.594068-1-ethantidmore06@gmail.com> On Tue Feb 17, 2026 at 8:43 PM CST, Ethan Tidmore wrote: > The function idle_thread_get() can return an error pointer and is not > checked for it. Add check for error pointer. > > Detected by Smatch: > arch/x86/hyperv/hv_vtl.c:126 hv_vtl_bringup_vcpu() error: > 'idle' dereferencing possible ERR_PTR() > > Fixes: 2b4b90e053a29 ("x86/hyperv: Use per cpu initial stack for vtl cont= ext") > Signed-off-by: Ethan Tidmore > --- Just noticed typo "deference" ignore this. Thanks, ET