From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 86B0329E114 for ; Tue, 16 Sep 2025 10:20:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758018006; cv=none; b=Et69amCcs/XuzINF0WFyIXO3Cfl55FyuKC6CFMexMUP414+oi+fsCouwf2IdBVREK29Vq+MdAsAuWjVNylbsOYAilDnbysVVCrpwebwfdxjdghw4OZA6qpnwS5wgc6r1lyHIrm/e/XFw/vK8m7K+XTWYyXxynsBnI4iGCHkZD+I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758018006; c=relaxed/simple; bh=9wep2Xa4yem/ncItvnA6XXzOYC3HhI5y4ziWijFwdgU=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=TfCEnWJ4TZoi2YZer7H5fdObwtDPiQEVdHZYdRS1LwDHjQkju1KiHud/JBEk7u3F8rGEfaIZvzTk/3JFd429Y7iS+XVmXSfuV9IrM8x/cd4yShBElWp4tV9Yj3XzMwoS8Tm3smZs1R9Xc0YCjfNYwjXavjfhvphvndDsua5uQfg= 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=209.85.166.199 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-f199.google.com with SMTP id e9e14a558f8ab-400bb989b1aso170341835ab.0 for ; Tue, 16 Sep 2025 03:20:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758018003; x=1758622803; 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=7c8JkY/GUid1YMVZeWpRbyf0waDEIgonB/zzS7yfMNw=; b=GJ9+hFLUnmcwgpiFChVrNyjamhUu6G4JgGrTmb0wIgtU15zBeJYTz3wHbzrjnRxu54 VjXYHcJVgOZXWjo2GH/Kl8gJBHWzVQcQi9PXa+Pa3rYx7E8w13esWYhbYzVmhUx9m63N f5xLOoJJHUjKS9XYZKBeQgfk8LEY7XkNzr0Yn/gCo9uX3kW9RzKp1uHef9lYZJpSIOGt zch5rGjbmHRr3vC89J72vWtBfedc5jCW/8ivm9ogQ8xWb77EAzQ6TFBkctDPmG0bbjX+ qvLm5Y1ONdH5BT4BSAnbUtRiVcuA/Ok57c0vZH/7tvwzIOUgQBThdPYcf5TmBjEXZ2Nn lkEQ== X-Forwarded-Encrypted: i=1; AJvYcCXdWDQmfnI1nl8B/TLFWkbGXQRkciSH7Iyh1xBr0X9oZln647cHn8E9GoZjHR+CyhRV/tfWadTnobGqQ7I=@vger.kernel.org X-Gm-Message-State: AOJu0YzJd9XBf8O4fKW4SoGR+UJXqrJDND2MRa9Be6e7qKMkB4s5h6x/ 7QOITkUHQU41OhLCldKTp3x6UH6IXwYPp7x5dpr41R5WzsXl0z+4QlJYQTVOs6qPX0IHgz3VIw7 5CxwOwVlD86YmJeVfS5GlASKDFBkwUiLmtG5m1ZQ8nUHB3DQ9s+cKJ1pi/PY= X-Google-Smtp-Source: AGHT+IHPb9dEa2aqys8zPKvutWnrsQsrWSVi/yzmuvFOPlooaZ1Ez4wiwgVNLuay0xMubCLH4nZZGpwr6y9njmTYwk3bpmgPVIbY Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:16c6:b0:424:30f:8e7c with SMTP id e9e14a558f8ab-424030f912amr81143825ab.10.1758018003674; Tue, 16 Sep 2025 03:20:03 -0700 (PDT) Date: Tue, 16 Sep 2025 03:20:03 -0700 In-Reply-To: <68c85acd.050a0220.2ff435.03a4.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68c939d3.050a0220.2ff435.03c1.GAE@google.com> Subject: Re: [syzbot] [bpf?] WARNING in maybe_exit_scc From: syzbot To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, eddyz87@gmail.com, haoluo@google.com, henriette.herzog@rub.de, john.fastabend@gmail.com, jolsa@kernel.org, kpsingh@kernel.org, linux-kernel@vger.kernel.org, luis.gerhorst@fau.de, martin.lau@linux.dev, memxor@gmail.com, sdf@fomichev.me, song@kernel.org, syzkaller-bugs@googlegroups.com, yonghong.song@linux.dev Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit d6f1c85f22534d2d9fea9b32645da19c91ebe7d2 Author: Luis Gerhorst Date: Tue Jun 3 21:24:28 2025 +0000 bpf: Fall back to nospec for Spectre v1 bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17753762580000 start commit: f83ec76bf285 Linux 6.17-rc6 git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=14f53762580000 console output: https://syzkaller.appspot.com/x/log.txt?x=10f53762580000 kernel config: https://syzkaller.appspot.com/x/.config?x=8f01d8629880e620 dashboard link: https://syzkaller.appspot.com/bug?extid=3afc814e8df1af64b653 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=104a947c580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14467b62580000 Reported-by: syzbot+3afc814e8df1af64b653@syzkaller.appspotmail.com Fixes: d6f1c85f2253 ("bpf: Fall back to nospec for Spectre v1") For information about bisection process see: https://goo.gl/tpsmEJ#bisection