From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 F4156199238 for ; Fri, 1 Nov 2024 11:41:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730461265; cv=none; b=bJATkdx7Vt0N6maQxRClspZNYi3Djx91V09erBg0HoupmVEMmHMv1N9Y9imUisTnGGHGX/NqCDd7jDFd+DtagS2V27miIDuE//qaKbfa79g0IS72E4CQRZtMNRWoronwJFr3pMeQ2KcgV/A98Gm1AtZp2HqE0bAya8dfoZt9j8c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730461265; c=relaxed/simple; bh=tz0AI+nrP/NYdrpultsyaBPG0ukpKwCdaZinJiCBoLY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=DmCSCwElt869hA/cxs1GKr00FtbdXtm4j66DrHHsv/MjG+iCtVLMPn2FJ7s6iKNtEtuYj2fGNpjx3pRFi8OBTlOwwP1NZ6My27T83oGy0dq6zU42u4y4OybrXUTR72vH+mpMEj0lM2GNl0iCXPK5ucq8cA43AXC3dJblbRPq6dQ= 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=209.85.166.198 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-f198.google.com with SMTP id e9e14a558f8ab-3a3c4554d29so19208245ab.1 for ; Fri, 01 Nov 2024 04:41:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730461262; x=1731066062; 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=TcFRQtE48UK+gQqnvcVWuzlA1lJZubnbju4eUXeCNCA=; b=e6OVPELCM8yXQdMlkoZZE5sEzOB7RV/ABBvhFr0/MuXEvtNcOZJn/0mMjx3HxgGT+C FQqPxpICwBGVGyZwccS3T3MPes6qtRaaIgiijb7MSA59ta4hpIX5ygA+qyioA0x4fd5e i5F1PusF/du1T6MJXqFwG1bg94yBUjesRVf7fSQc01ADbTDZ7rf2AoUlhqZFllv7PUzY MhHPfAHATweLFFfsoQUCXWQpB0aoiiwEp59QIbFO66mDun+KzK21OjxSSOow7gZa3pbp TRo6SatvRv0zeGACKbqfPNFA5D7xjQth/GG30TkvzI5tk40SbsiaaiIop4FbOGM3YnHm u0Lg== X-Forwarded-Encrypted: i=1; AJvYcCV5fOAqW07PlTmQvEpkHx865StJDG+SP0EbNhZz8wEW3NeBGSoaZbSoWThRFQd4Dvuy/Icfl6uOyeLkZaw=@vger.kernel.org X-Gm-Message-State: AOJu0YzQLuc92DJGqWOj13Jg0YNNO7nVepmSWFVy1dV4Wep1VpD4F/LG m53VCXKgegOkgCG2sg+FZhxsgmDI79L6ka3vkWuBUKyBXN/q5UOHzHEi5WRzm9WZ3pnKzLPJOig cGP51Gj8Od8gt08KbwSPuF+SUZeeRlYkvZTe9nczeAmY/fmOgF0oqEmk= X-Google-Smtp-Source: AGHT+IHMrfLNlU2NgthZ2FUnP+AR0AUUGE2lvP2P4VDwu/4nMlO111hT1CxL/QO9e+kQMndG1sHydas6+72M6kmMEkpxe9ZuGUtb Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:214f:b0:3a0:9cd5:92f7 with SMTP id e9e14a558f8ab-3a6b0384e88mr36037405ab.17.1730461261908; Fri, 01 Nov 2024 04:41:01 -0700 (PDT) Date: Fri, 01 Nov 2024 04:41:01 -0700 In-Reply-To: <20241101111614.2670-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6724be4d.050a0220.529b6.00ec.GAE@google.com> Subject: Re: [syzbot] [kernfs?] INFO: task hung in do_coredump (3) From: syzbot To: hdanton@sina.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: INFO: rcu detected stall in corrupted rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P3585 } 2769 jiffies s: 8817 root: 0x0/T rcu: blocking rcu_node structures (internal RCU debug): Tested on: commit: 270c32fa MAINTAINERS: remove Florian from DSA entry git tree: git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/ mm-hotfixes-unstable console output: https://syzkaller.appspot.com/x/log.txt?x=12afe6f7980000 kernel config: https://syzkaller.appspot.com/x/.config?x=1940f73a609bb874 dashboard link: https://syzkaller.appspot.com/bug?extid=a8cdfe2d8ad35db3a7fd compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=15c9b2a7980000