From: "Ethan Tidmore" <ethantidmore06@gmail.com>
To: "Ethan Tidmore" <ethantidmore06@gmail.com>, <kys@microsoft.com>,
<haiyangz@microsoft.com>, <wei.liu@kernel.org>,
<decui@microsoft.com>, <longli@microsoft.com>, <tglx@kernel.org>,
<mingo@redhat.com>, <bp@alien8.de>, <dave.hansen@linux.intel.com>
Cc: <x86@kernel.org>, <hpa@zytor.com>, <mhklinux@outlook.com>,
<ssengar@linux.microsoft.com>, <linux-hyperv@vger.kernel.org>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] x86/hyperv: Fix error pointer deference
Date: Tue, 17 Feb 2026 20:53:11 -0600 [thread overview]
Message-ID: <DGHQXO0DOY0U.V7O2PSAUE47C@gmail.com> (raw)
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 context")
> Signed-off-by: Ethan Tidmore <ethantidmore06@gmail.com>
> ---
Just noticed typo "deference" ignore this.
Thanks,
ET
prev parent reply other threads:[~2026-02-18 2:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-18 2:43 [PATCH] x86/hyperv: Fix error pointer deference Ethan Tidmore
2026-02-18 2:53 ` Ethan Tidmore [this message]
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