From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 6FF8018E25 for ; Thu, 10 Jul 2025 00:44:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752108245; cv=none; b=fxo1WtTv/1QSHBOTvuMiJca6oJlnGD6+Q1MMIVyRXyYpwhrLhSHYnZSlB5pM34E47N3ER9bkX8wA8eh19vSPS6MCvDHgl9qv5serDTipSQBmzGrrxyJ0RB6z9gQ3FP3K/+8EFp4LqDP/zzTljd6VC+s4tOXpNcjcCVL0VxmWfJc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752108245; c=relaxed/simple; bh=GtFfO5UBSQpd6M3n0qyyFSGpUGz7IH8edCIj/6qkjNI=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=qbHdCpezwthLsxZboy6atLUqNObQb6H5FuoPyq4zHJWCEaYeZJRoJib0HNrjsmgli095e2bxrZwVnTSXv2B2tP6urfkVem/RD0QN+c3UWoSC7RsXbWoUg2GDPm4CNbMQfbmRR9R7WCQsrobfFFrDWPKHjaKkcvTDdbxcFt31RcE= 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=209.85.166.72 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-io1-f72.google.com with SMTP id ca18e2360f4ac-869e9667f58so112030839f.3 for ; Wed, 09 Jul 2025 17:44:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752108243; x=1752713043; 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=P6ubFXBJaVX9NJ5Nijg0B0BPCDcgJxeSI1/VddLlHAM=; b=RAXJ5Z+CuKiy4NNJbgUbu/sIufYJEHgMNM3D2mV+nMCn8cKRDV+eXiedwTvT3UeKnG s4k8QGvcvyn4/V1QUj2d3gTZoU/vW0DZWWaFzSI7VZLlkhBpPln6Mmx62v4qgCbKF8H8 b354gH9MGX2AkI4YmUG7/pFLtWn91E28ZDhdyGYQcV5EuEoXlM5OmBKpev5Co3bfOYx2 m1ZfJpw6nRuKtgYCjYUSebWKjo2agYZ5pWPwKd27ggaAovJ3HOIq8ALx6gcjzEdiC7mz oa/BHHcdr6qBdY7EefBQiBK94HkVJutiybnpmCxlTV4sjC+CsC0JrZJ1w4uJ80v7rXoC U+DA== X-Forwarded-Encrypted: i=1; AJvYcCWSu13KOJhgYghVLArojHfrQjTJUy1dv6gKMx6/EbnZz7tLLG26uXLcQFNBoZ4U5Pppfrp5HrVhEvE=@vger.kernel.org X-Gm-Message-State: AOJu0Yx+P5nJ2VKIg3lYZuZsYauPRZirky7boiIR9NpZTzn30TIPu41W JroNiRWz/OLF1h5SSDBNyNam+Dh/NnCOwWqwfFBH+ZyEmFhTT2MsX3LCb+hIJrkRzL87Wa3MTaH u11hv6ftHxNkkrqFMMIEOVPJl6GqGeZ0gGlmPM/SbmBCTNLYT5cUKYEhAOW4= X-Google-Smtp-Source: AGHT+IEEZTrsGg61LrPeklxaxuumgz77c9VLsfiGovZIPBLMORTLfebejWKSzMwqiccyUFrmz9OwM5HLJ3KvEiSnw5pXU5bjBcFZ Precedence: bulk X-Mailing-List: linux-xfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:408e:b0:864:4aa2:d796 with SMTP id ca18e2360f4ac-87968fe0bedmr74344039f.8.1752108243595; Wed, 09 Jul 2025 17:44:03 -0700 (PDT) Date: Wed, 09 Jul 2025 17:44:03 -0700 In-Reply-To: <686ea951.050a0220.385921.0015.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <686f0cd3.050a0220.385921.0023.GAE@google.com> Subject: Re: [syzbot] [xfs?] INFO: task hung in xfs_file_fsync From: syzbot To: anna.luese@v-bien.de, cem@kernel.org, davem@davemloft.net, edumazet@google.com, horms@kernel.org, jhs@mojatatu.com, jiri@resnulli.us, john.ogness@linutronix.de, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, pmladek@suse.com, rostedt@goodmis.org, senozhatsky@chromium.org, syzkaller-bugs@googlegroups.com, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 0161e2d6950fe66cf6ac1c10d945bae971f33667 Author: John Ogness Date: Mon Dec 9 11:17:46 2024 +0000 printk: Defer legacy printing when holding printk_cpu_sync bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14b19a8c580000 start commit: d006330be3f7 Merge tag 'sound-6.16-rc6' of git://git.kerne.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=16b19a8c580000 console output: https://syzkaller.appspot.com/x/log.txt?x=12b19a8c580000 kernel config: https://syzkaller.appspot.com/x/.config?x=b309c907eaab29da dashboard link: https://syzkaller.appspot.com/bug?extid=9bc8c0586b39708784d9 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15e24a8c580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10ed3582580000 Reported-by: syzbot+9bc8c0586b39708784d9@syzkaller.appspotmail.com Fixes: 0161e2d6950f ("printk: Defer legacy printing when holding printk_cpu_sync") For information about bisection process see: https://goo.gl/tpsmEJ#bisection