From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f197.google.com (mail-oi1-f197.google.com [209.85.167.197]) (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 DD0DA3E2AD6 for ; Tue, 30 Jun 2026 10:26:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782815164; cv=none; b=k0/+4rZeZuGQx9odd90JQ8XYrqEAa9mIT7xKjLbJn6nRTMbYa72IyF6nF7etLhVPTW4XjOJ2vbjk6d3uBPHcrZaOC3+JjxvGgFGPQZCgTg5TQvC2NinKYpUu1YMaOFB+7KBTF7phGIj1jogSHjEU9v5NRp0qY1f0jfVYbD0Zz+k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782815164; c=relaxed/simple; bh=AeTQdDc3IOn2FjCGqEuR+p+ezKnRM5suIn/XdZ6iVhM=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=AkRWt4sa2d559fsxDG36+FUzaRGGqkp2avTBj6WJP7bfhnypUuZE4NRK0SiLzACoXfDs2l4KZufUe4BFsH3TquTmq9uJCHmGeImgpVwfbJL6cAaWv71hGt4PJB6AV9qO+MtCJwF/vFFj1crPJtGrd6O0m7pZ9d/HH6YCYdyTiqw= 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=209.85.167.197 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-oi1-f197.google.com with SMTP id 5614622812f47-495b8120909so3213394b6e.1 for ; Tue, 30 Jun 2026 03:26:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1782815162; x=1783419962; 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=vpRZPHATn7LZSTEBpTSN009w35H+5xqWO4eVSKlSdwE=; b=OUldsko1+o/Hwx5VCVv+WElqC3FSYz+VOqCtVDByOMEBH6V8i8GWYb2Yct3ZPCVrRQ f6nOrNCjWc/qTXSfm1dpVHTUXNK9Osl/L19GrGSht4y6wUsDkJqG1aZlj68eeqVcUf58 SnQa2nZY+DYsehyOJbfidBILV1I1Sp7g0uXVhxspXY7M2fEoPPlI1vM8c6RJ8q1wuogP ey7MGIuUAj6KwjwJQYybwaVOc/E31yXuba5yuR9140SXp84ex5YiAfshUf0vJsN7vWK6 vcJrczwJcKts4Ildcuz0d/ZDEewOAdlJ0y03PoAGBFmvzI7bKI3peHm1ZUBDnQ/A7SZL hvCA== X-Forwarded-Encrypted: i=1; AFNElJ88vazq+bWlh+bHVGj4C2xZJNv0kCQH56RZN+fDqWlo5hr9gdtc3RvZ4QZq4LYbhECjy921NFPBK/4lKDQ=@vger.kernel.org X-Gm-Message-State: AOJu0YyLeM1dxTKDA1gVGuRweas6fN6f9GsZCPxLdj4UWcktM6uxlNwr K9EhmZJw/z9d4IAudjKgsUCK1I9lWAMO+dOEkJLTzYiZh5mpkqtsoyEbDNNLP5I86aBagNpb5p5 2sdAXPO/Gn+L1itHdX4wJ+GEX27soe0MClRR/ifm00wgwep5ppVxQ6U+o/5o= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:1b0f:b0:492:f15e:3626 with SMTP id 5614622812f47-495eb17a2d1mr2741743b6e.40.1782815161893; Tue, 30 Jun 2026 03:26:01 -0700 (PDT) Date: Tue, 30 Jun 2026 03:26:01 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a4399b9.b42ede87.8e801.0005.GAE@google.com> Subject: Re: [syzbot] [bpf?] BUG: using smp_processor_id() in preemptible code in bpf_mem_cache_free_rcu From: syzbot To: eadavis@qq.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: lost connection to test machine Tested on: commit: 9b51a615 bpf,fork: wipe ->bpf_storage before bailouts .. git tree: bpf console output: https://syzkaller.appspot.com/x/log.txt?x=11a080d6580000 kernel config: https://syzkaller.appspot.com/x/.config?x=86ba763b42fa66a dashboard link: https://syzkaller.appspot.com/bug?extid=fd7e415d891073b83e1f compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 patch: https://syzkaller.appspot.com/x/patch.diff?x=11028bae580000