From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CFEA8215766 for ; Tue, 10 Dec 2024 09:38:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733823486; cv=none; b=gEznkKcJtWPtS/GUEH4MCD2Ch8gQvfvP9879I6FwO+iU0An5FbLF3SvCtxaslgO4t+PYdScbDCGTm6z0lQGiswb9CneQwseM+kJB9tdnp+7gS5AjgXTnj4vSLT9IU25nFK1+qxA32276Rkwzx57S3uSCpIQSZFcJ+oa0aQpWkUw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733823486; c=relaxed/simple; bh=hnH4kevc6kex4L+RzlRqFCWeJulTQq6H47qyNdG6MMU=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=qJqYdFXqFnT9H+o46xVB3YkeeS9UiOMk/4glkRP4ci9IwVd4v2H7mXYWbYD8DPK4+1CgOZ7CHaBzHICL+uKI/DWZtMfZJYz4UUzRjDvyOwxORCuuH3Wx2zcBbUqbkllK0k4B1qiDvvLGhONYQEKs5TUI3VlHThIdMn7cAUuOpWI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.200 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f200.google.com with SMTP id e9e14a558f8ab-3a817be161bso32459555ab.1 for ; Tue, 10 Dec 2024 01:38:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1733823484; x=1734428284; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=r0eziENA1csK0hH7tHldiihGt97BRbYtyrISTtW9X48=; b=Jow7RTAAVDhmWNmG+kIAxqHV1CDjvr8IwYSn5c8Hr/w1L/sB4Enzbe2e9fA5RCz2G+ wukMOsX0O/SJ8+pEY46lGTG6ue9NQTTWuFIXraEqbUR7C7Xdwv3bk3KW/Af2RV4lYlPf Gtjbk3YawlbcuwyL5bmWG18quHv9TjvH0DQBYuLhOPd+wdZ4KwzpIQsrShnF1mYOKTcy OQ0qNrEMDbcI0wnCtzU5u0ZyUC8ToYwRF3GYaS+iJmouWE4bGr9gn504XKA2x4OXnTLy Y868f06+fpnfHXOgWNyFgtryy1h0dPd6/F32Xf2Q9yIPY32WGsD30YUcFr3BXhPSuMtC 5Snw== X-Forwarded-Encrypted: i=1; AJvYcCXJFn0Z/hi8u2hubgHJb1ENBuvuGNXg+K9fi2eqWf6srvduEWYVhVm6uvdbofGLaWPcrMVCwM/6JT38bBM=@vger.kernel.org X-Gm-Message-State: AOJu0YxTRU4/jK4YGA+QC2tjIswqqiwQypAmjAGmH7ee8KgPnLQI10Zl b4Y35helAT4jMbPOpmrVtZH5s0DS+glRYLLTdUTtMo2nZlLBu0UUZDulh33S2Opl5wgY1MeYXww onokSeYenAo/wtL56XbAngSBFRHYBwfRdHX9cQB/krsYzMITILJaQAzg= X-Google-Smtp-Source: AGHT+IHIzZV1uS4FARf7vLtejhT9vxSjcap83WYIYeYrAO4ZSQLSUIg6JmKOPCjRtDk7/akheUbpa+jYYegxUly+YlWJRFjvtaQk Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1aa4:b0:3a7:ccb2:e438 with SMTP id e9e14a558f8ab-3a9dd3bc479mr26328655ab.11.1733823484045; Tue, 10 Dec 2024 01:38:04 -0800 (PST) Date: Tue, 10 Dec 2024 01:38:04 -0800 In-Reply-To: <671bc7a7.050a0220.455e8.022a.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67580bfc.050a0220.a30f1.01c7.GAE@google.com> Subject: Re: [syzbot] [kvm?] WARNING in vcpu_run From: syzbot To: bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, pbonzini@redhat.com, seanjc@google.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 45405155d876c326da89162b8173b8cc9ab7ed75 Author: Sean Christopherson Date: Fri Jun 7 17:26:09 2024 +0000 KVM: x86: WARN if a vCPU gets a valid wakeup that KVM can't yet inject bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11ac34df980000 start commit: ae90f6a6170d Merge tag 'bpf-fixes' of git://git.kernel.org.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=13ac34df980000 console output: https://syzkaller.appspot.com/x/log.txt?x=15ac34df980000 kernel config: https://syzkaller.appspot.com/x/.config?x=309bb816d40abc28 dashboard link: https://syzkaller.appspot.com/bug?extid=1522459a74d26b0ac33a syz repro: https://syzkaller.appspot.com/x/repro.syz?x=158d0230580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12f8de40580000 Reported-by: syzbot+1522459a74d26b0ac33a@syzkaller.appspotmail.com Fixes: 45405155d876 ("KVM: x86: WARN if a vCPU gets a valid wakeup that KVM can't yet inject") For information about bisection process see: https://goo.gl/tpsmEJ#bisection