From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 4FE7B2F32 for ; Sat, 27 Jan 2024 02:28:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706322486; cv=none; b=ZFohO0BN6UZp/wL/zXYo3V5prgizWH62M8fersOu0W2Ud0QObfim0lHXe/wulJvatGaPlwyLTJPV4Ue9Sl4rVL7+plkubVA3W4Y6wPIEM76L0K6D2O+lJ1q0kTureyQMQIo3XnJpRt5l8e9qpGuGZ884qs3QFxw+FYzOmW3mFFY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706322486; c=relaxed/simple; bh=ZBY1cKp0LLNRmGaJwlj/p4mIIQlnwkuy2CaaDBrnEj8=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=n8WZtiNQ8kvvzqcQSmgPJGtjaqfX4E7x8/ivC37sPsvu0p8NArqQ6QcF6kvhhPClCeH5n0hSpYlaMOIlYmkXrbwkiiKnLTgdMvE73aB/LDJjQKcpoEEqOuqbJuUBL9DXpZ1SlZqDM9lthZgiXvOSD/R6sWDQY2GaMf71oMvGQ98= 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=209.85.166.197 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-il1-f197.google.com with SMTP id e9e14a558f8ab-362a46bf0a6so3589545ab.1 for ; Fri, 26 Jan 2024 18:28:05 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706322484; x=1706927284; 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=WZTi9r6mGwHaV+mM5bJDyJp7on3c/3cIRVXJx/JYQ/w=; b=o7cCvFVoskmf4xW1fM4UGBFa8XiRZiRMgBLrPwEXQIl22BCCAUyDixr9Kj2Vc1E59Y uFLw2RIo27W1plmSN9evJUpi3xwkyBlj97YuVGACoeRYnRk2HmhZtuslB9/rUqjynuna WnKmYjvCeixIy8Ue/+nRYaIzpPI5nmzSjUzLWgHYkmDNtrd+n0MDb7/fBvuFG5pC5gjd CN3dKNinyZ0Y8zlx6YMh9/A0YbQy5HB47zxxVBAZ7uU21+wMG5TRPHrfz8cKIUf4XXcC b5oO54FWqr1fCrKj/L/hsqL0X+pXnTBtiZoj9qLMqG3mW73WIET24/hKjwwCcGItH1CN clLw== X-Gm-Message-State: AOJu0YyxhoZALkh6JEQQi7xF8eI9ykVET0Qv/+ZHUQea5ObipQ0uPH47 ppmvN+DaepdTKFYfAl7ffT880ZZNs1VgAKB7Th9zCfkl4x5BYrt1JcIwHQ50grHXMkoTfM5S2OB +n9UBuCx9ano3bRG1xDJurcTsMuSAGCusXRyA6Fs5Vh0Y3ngOs5Tqg7c= X-Google-Smtp-Source: AGHT+IG06VZMbEHCAwbSAR9zm4HlIu9CCBfB6pPfyZajpD9dWqGxa4/bSzMKXn1RS3hevz4gLqiqB/u8yCKKkwCkEo40Nu5x4amM Precedence: bulk X-Mailing-List: linux-unionfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:2162:b0:362:b3c6:882f with SMTP id s2-20020a056e02216200b00362b3c6882fmr73404ilv.4.1706322484593; Fri, 26 Jan 2024 18:28:04 -0800 (PST) Date: Fri, 26 Jan 2024 18:28:04 -0800 In-Reply-To: <000000000000e171200600d6d8bd@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000910cf5060fe42991@google.com> Subject: Re: [syzbot] [overlayfs?] possible deadlock in seq_read_iter (2) From: syzbot To: amir73il@gmail.com, axboe@kernel.dk, brauner@kernel.org, dhowells@redhat.com, hch@lst.de, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-unionfs@vger.kernel.org, miklos@szeredi.hu, rafael@kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit da40448ce4eb4de18eb7b0db61dddece32677939 Author: Amir Goldstein Date: Thu Nov 30 14:16:23 2023 +0000 fs: move file_start_write() into direct_splice_actor() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=105aa1a0180000 start commit: 2cf4f94d8e86 Merge tag 'scsi-fixes' of git://git.kernel.or.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=e5751b3a2226135d dashboard link: https://syzkaller.appspot.com/bug?extid=da4f9f61f96525c62cc7 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=176a4f49e80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=154aa8d6e80000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: fs: move file_start_write() into direct_splice_actor() For information about bisection process see: https://goo.gl/tpsmEJ#bisection