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Y . Srinivasan" , "Haiyang Zhang" , "Wei Liu" , "Dexuan Cui" , "Long Li" , "Saurabh Sengar" Cc: "Thomas Gleixner" , "Ingo Molnar" , "Borislav Petkov" , "Dave Hansen" , "H . Peter Anvin" , "Michael Kelley" , , , Subject: Re: [PATCH] x86/hyperv: Fix error pointer dereference X-Mailer: aerc 0.21.0-0-g5549850facc2 References: <20260218190903.7874-1-ethantidmore06@gmail.com> In-Reply-To: <20260218190903.7874-1-ethantidmore06@gmail.com> On Wed Feb 18, 2026 at 1:09 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 > --- Oops, forgot v2 header this is the v2. Thanks, ET