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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1759846646; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=vkj8Y8HGC5BdazHkziF8Ypl9wP8rIPQNT0W0slOVMZw=; b=X3nqkiRcE1biNhyVcysf6a47rc2TfusgtBj2beC7Vo+fGugOtjQ31Ozkb3i+Ke1DlvywRH 6fvjb0jBLtknX0s+aBFYaOyQI1iFFMiRJLB64stciO20NFjrj3gJ4ACoLm9LPNSD5IrUEP I7pcmBfls6nZHe0idDfp1fifAf/+FNA= X-MC-Unique: oy-KKaMNPneE7D7lrM2SdA-1 X-Mimecast-MFC-AGG-ID: oy-KKaMNPneE7D7lrM2SdA_1759846640 From: Stefan Hajnoczi To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, Kevin Wolf , Jean-Louis Dupond , Vladimir Sementsov-Ogievskiy , Hanna Reitz , Stefan Hajnoczi Subject: [PATCH v2 3/3] iotests: add Linux loop device image creation test Date: Tue, 7 Oct 2025 10:17:00 -0400 Message-ID: <20251007141700.71891-4-stefanha@redhat.com> In-Reply-To: <20251007141700.71891-1-stefanha@redhat.com> References: <20251007141700.71891-1-stefanha@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" This qemu-iotests test case is based on the reproducer that Jean-Louis Dupond shared in https://gitlab.com/qemu-project/qemu/-/issues/3127. Signed-off-by: Stefan Hajnoczi Reviewed-by: Vladimir Sementsov-Ogievskiy Tested-by: Vladimir Sementsov-Ogievskiy --- tests/qemu-iotests/tests/loop-create-file | 59 +++++++++++++++++++ tests/qemu-iotests/tests/loop-create-file.out | 8 +++ 2 files changed, 67 insertions(+) create mode 100755 tests/qemu-iotests/tests/loop-create-file create mode 100644 tests/qemu-iotests/tests/loop-create-file.out diff --git a/tests/qemu-iotests/tests/loop-create-file b/tests/qemu-iotests= /tests/loop-create-file new file mode 100755 index 0000000000..5ec75b046b --- /dev/null +++ b/tests/qemu-iotests/tests/loop-create-file @@ -0,0 +1,59 @@ +#!/usr/bin/env bash +# group: quick +# +# SPDX-License-Identifier: GPL-2.0-or-later +# +# Copyright Red Hat, Inc. +# +# Test Linux loop device image creation +# +# This test verifies #3127 "qemu-img create fails on loop device with sect= or size 4096" +# https://gitlab.com/qemu-project/qemu/-/issues/3127 + +seq=3D"$(basename $0)" +echo "QA output created by $seq" + +status=3D1 # failure is the default! + +_cleanup() { + if [ -n "$loopdev" ]; then + sudo losetup --detach "$loopdev" + fi + + _cleanup_test_img +} + +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +cd .. +. ./common.rc +. ./common.filter + +_supported_fmt raw +_supported_proto file +_supported_os Linux + +if ! sudo -n losetup &>/dev/null; then + _notrun "sudo losetup not available" +fi + +echo +echo "=3D=3D=3D Create image on a 4 KB sector size loop device =3D=3D=3D" +echo + +_make_test_img -f $IMGFMT 1M + +loopdev=3D$(sudo losetup --sector-size 4096 --find --show "$TEST_IMG") +if [ -z "$loopdev" ]; then + _fail +fi + +sudo $QEMU_IMG_PROG create -f raw "$loopdev" 1M | \ + sed -e "s#/dev/loop[0-9]\\+#LOOPDEV#g" + +# success, all done +echo +echo '*** done' +rm -f $seq.full +status=3D0 diff --git a/tests/qemu-iotests/tests/loop-create-file.out b/tests/qemu-iot= ests/tests/loop-create-file.out new file mode 100644 index 0000000000..32d4155695 --- /dev/null +++ b/tests/qemu-iotests/tests/loop-create-file.out @@ -0,0 +1,8 @@ +QA output created by loop-create-file + +=3D=3D=3D Create image on a 4 KB sector size loop device =3D=3D=3D + +Formatting 'TEST_DIR/t.IMGFMT', fmt=3DIMGFMT size=3D1048576 +Formatting 'LOOPDEV', fmt=3Draw size=3D1048576 + +*** done --=20 2.51.0