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 6B3D41DB34B for ; Sun, 6 Jul 2025 21:47:07 +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=1751838428; cv=none; b=B5YmRGPWyVR7IQB1ixwyiRhwzSjehkh2DcP8f5ybkZDYltY1DfWr97jpSJxgCRSZmZqj04QZoL5kHeL6jAy34Gsz4qXTK6AzadD2tKAf5bNBnU21qfQXbVCwGduWNepJwnnuTMKJlBUdkCG0krR+WEbFhQ5fPGdeP0iykY1ofE8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751838428; c=relaxed/simple; bh=wfC6pb06LVhsTYsLYsVaUHcm+Hi+5WQlNyegKa6NJXs=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=BviarsWmrzt+45O2LhSnZlYBZ9BMrUSZgktVlXIGvayrm7rEi5C2kwqn0m1mIUuZFfZzGYkVOBt9O4TlIaRVUBY+emAUQG4es+KGkpmyxA6eyZZV9J5r7LXZjWfCAWF1hC4jOUhwH5sfO2QgeKrsafJesfHrRdsG6k48FvOj+0Q= 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-3df2d907c23so10795195ab.3 for ; Sun, 06 Jul 2025 14:47:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751838426; x=1752443226; 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=ixkLOm92PB3kA5hKonBVF6NTsAkdtIPeB+mFKWDyXEc=; b=gl2RRTWsOli2dvGT/8KuU0HRrCtKV0MCt9eVxSmgoJ34GI8lrTaxi41Dd4fvcl+9Mm 3tBOE7GUXSAoAYCheg4gicwF9Q/2f85hAJRdvQxzf8qg9AaXI1i7aHDQKxQ7rrrUHiqZ QC0PFeVN4BdFLHGmCoOg3uSJVHwWoZXukyVmXrczp5qcOw8uIvLa1urfEwJMxnrPS/Ax gcq5ukOTTTrNUOjnkfIRtLkEyiXc1EV41RFm8SGBQasxvULpz6BPDaYCPhXmO/05ZaUU BANG7JBty9E3VKIhnTbONzp/Q/HLKGpuH0B4z24um160aMGER0kRotR3K90lzi3XbVSx v4Ag== X-Forwarded-Encrypted: i=1; AJvYcCW/OQzMPOzJOCpdqoo3XEkfG0fdN3HYhC9UIwoZgJwGvC2D3ACzwCogsJ2qUr4R0NhFDCk=@vger.kernel.org X-Gm-Message-State: AOJu0Yw1pGZkw7N41X6VPQHIGBBUQUvVwF/0GQbbIXbMTHT1Y4kwM/XE ecqdOQ2aNxf/8BhP7pK8tizY399Ugu78Cefx+RmBkxbd2pZ+gtoy3OKC8eh0Uf6mYkIKuvLZx/u +///LdHIQ4wXia/a7V+ylCqFaMp5zNtEcg5H1YJSyZ1kBoTiACnlRodFiND4= X-Google-Smtp-Source: AGHT+IGOvkaWcRRlxGfeWW9ngMLdfdp6SsnKx5xXDRjn7fDFzE0uyggFtu2AuBaGZuhI/U9YHWkMoTdeW4CSvVR5hl8Svwo0ehVr Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:32c3:b0:3df:2fda:e30b with SMTP id e9e14a558f8ab-3e13ef15bebmr70223205ab.21.1751838426600; Sun, 06 Jul 2025 14:47:06 -0700 (PDT) Date: Sun, 06 Jul 2025 14:47:06 -0700 In-Reply-To: <682dd10b.a00a0220.29bc26.028e.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <686aeeda.a00a0220.c7b3.0066.GAE@google.com> Subject: Re: [syzbot] [bpf?] WARNING in bpf_check (4) From: syzbot To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, eddyz87@gmail.com, haoluo@google.com, john.fastabend@gmail.com, jolsa@kernel.org, kpsingh@kernel.org, linux-kernel@vger.kernel.org, martin.lau@linux.dev, netdev@vger.kernel.org, paul.chaignon@gmail.com, puranjay@kernel.org, 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 0df1a55afa832f463f9ad68ddc5de92230f1bc8a Author: Paul Chaignon Date: Tue Jul 1 18:36:15 2025 +0000 bpf: Warn on internal verifier errors bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17014bd4580000 start commit: cce3fee729ee selftests/bpf: Enable dynptr/test_probe_read_.. git tree: bpf-next final oops: https://syzkaller.appspot.com/x/report.txt?x=14814bd4580000 console output: https://syzkaller.appspot.com/x/log.txt?x=10814bd4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=79da270cec5ffd65 dashboard link: https://syzkaller.appspot.com/bug?extid=0ef84a7bdf5301d4cbec syz repro: https://syzkaller.appspot.com/x/repro.syz?x=109df88c580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11705770580000 Reported-by: syzbot+0ef84a7bdf5301d4cbec@syzkaller.appspotmail.com Fixes: 0df1a55afa83 ("bpf: Warn on internal verifier errors") For information about bisection process see: https://goo.gl/tpsmEJ#bisection