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X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: c56ed5e8-5101-43fc-6831-08dcf3411a9f X-MS-Exchange-CrossTenant-AuthSource: PH0PR10MB5706.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Oct 2024 09:00:12.8030 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 3IosZWwlJ520+hkNitmG2xez1YDXvYC3Jlq7TbMZvhr/L9haJY66ZBp/cIKROir24tqihyNFl0g5cleyIf7Gpg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR10MB5887 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-23_08,2024-10-22_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 malwarescore=0 bulkscore=0 adultscore=0 mlxlogscore=999 mlxscore=0 phishscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2409260000 definitions=main-2410230055 X-Proofpoint-ORIG-GUID: 6Hlot-XwCgDeot9exgnDqxgYvBuCh8sN X-Proofpoint-GUID: 6Hlot-XwCgDeot9exgnDqxgYvBuCh8sN On 23/10/24 12:12, Zorro Lang wrote: > On Tue, Oct 22, 2024 at 01:12:15PM +1030, Qu Wenruo wrote: >> >> >> 在 2024/10/19 08:45, Anand Jain 写道: >>> On 18/10/24 08:04, Qu Wenruo wrote: >>>> [FALSE FAILURE] >>>> If SELinux is enabled, the test btrfs/012 will fail due to metadata >>>> mismatch: >>>> >>>> FSTYP         -- btrfs >>>> PLATFORM      -- Linux/x86_64 localhost 6.4.0-150600.23.25-default #1 >>>> SMP PREEMPT_DYNAMIC Tue Oct  1 10:54:01 UTC 2024 (ea7c56d) >>>> MKFS_OPTIONS  -- /dev/loop1 >>>> MOUNT_OPTIONS -- -o context=system_u:object_r:root_t:s0 /dev/loop1 / >>>> mnt/scratch >>>> >>>> btrfs/012       - output mismatch (see /home/adam/xfstests-dev/ >>>> results//btrfs/012.out.bad) >>>>      --- tests/btrfs/012.out    2024-10-18 10:15:29.132894338 +1030 >>>>      +++ /home/adam/xfstests-dev/results//btrfs/012.out.bad >>>> 2024-10-18 10:25:51.834819708 +1030 >>>>      @@ -1,6 +1,1390 @@ >>>>       QA output created by 012 >>>>       Checking converted btrfs against the original one: >>>>      -OK >>>>      +metadata mismatch in /p0/d2/f4 >>>>      +metadata mismatch in /p0/d2/f5 >>>>      +metadata and data mismatch in /p0/d2/ >>>>      +metadata and data mismatch in /p0/ >>>>      ... >>>> >>>> [CAUSE] >>>> All the mismatch happens in the metadata, to be more especific, it's the >>>> security xattrs. >>>> >>>> Although btrfs-convert properly convert all xattrs including the >>>> security ones, at mount time we will get new SELinux labels, causing the >>>> mismatch between the converted and original fs. >>>> >>>> [FIX] >>>> Override SELINUX_MOUNT_OPTIONS so that we will not touch the security >>>> xattrs, and that should fix the false alert. >>>> >>>> Reported-by: Long An >>>> Link: https://bugzilla.suse.com/show_bug.cgi?id=1231524 >>>> Signed-off-by: Qu Wenruo >>>> --- >>>>   tests/btrfs/012 | 5 +++++ >>>>   1 file changed, 5 insertions(+) >>>> >>>> diff --git a/tests/btrfs/012 b/tests/btrfs/012 >>>> index b23e039f4c9f..5811b3b339cb 100755 >>>> --- a/tests/btrfs/012 >>>> +++ b/tests/btrfs/012 >>>> @@ -32,6 +32,11 @@ _require_extra_fs ext4 >>>>   BASENAME="stressdir" >>>>   BLOCK_SIZE=`_get_block_size $TEST_DIR` >>>> +# Override the SELinux mount options, or it will lead to unexpected >>>> +# different security.selinux between the original and converted fs, >>>> +# causing false metadata mismatch during fssum. >>>> +export SELINUX_MOUNT_OPTIONS="" >>>> + >>> >>> SELINUX_MOUNT_OPTIONS is set only when SELinux is enabled on the system, >>> so disabling SELinux will suffice. >> >> Are you suggesting to disable SELinux just to pass the test case? >> >> Then it doesn't sound correct to me at all. >> >> It should be the test case to adapt to all kinds of systems, not the >> other way. > > Hi Anand, I think Qu is right, it's not worth disable the whole SELinux > (at the beginning of fstests running), just for a single test case. > I just hope to make sure btrfs forks agree this's a failure which should > be fixed in test side, but not change the selinux config for btrfs-progs. > If you're sure about it, I'll merge this patch :) > Yes, I realized that a bit later. Reviewed-by: Anand Jain Even if we create _require_selinux() and _reset_selinux_mount_options(), there are only a few consumers, such as btrfs/075 and generic/700 for the former, and btrfs/008, btrfs/019, and generic/700 for the latter. Do you think it is better? Thx, Anand > Thanks, > Zorro > >> >> Thanks, >> Qu >> >>> >>> ------- >>> fstests/common/config: >>> if [ -x /usr/sbin/selinuxenabled ] && /usr/sbin/selinuxenabled; then >>>         : ${SELINUX_MOUNT_OPTIONS:="-o context=$(stat -c %C /)"} >>>         export SELINUX_MOUNT_OPTIONS >>> fi >>> ---------- >>> >>> Thanks, Anand >>> >>>>   # Create & populate an ext4 filesystem >>>>   $MKFS_EXT4_PROG -F -b $BLOCK_SIZE $SCRATCH_DEV > $seqres.full 2>&1 || \ >>>>       _notrun "Could not create ext4 filesystem" >>> >>> >> >> >