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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: MXQHqpdWAEzHbuDdnWIVKUMSFlsozDVI0rPsAq6YGfEDVJL+0XxDTL2rPwOfDr+2y6jKeVie4yW1LfqSyedpww== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW5PR10MB5713 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=2024-10-18_17,2024-10-17_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=999 mlxscore=0 phishscore=0 adultscore=0 bulkscore=0 suspectscore=0 spamscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2409260000 definitions=main-2410180142 X-Proofpoint-GUID: WNHLc2bzHDH5zdpiyTKGWCHN1RqLlvPR X-Proofpoint-ORIG-GUID: WNHLc2bzHDH5zdpiyTKGWCHN1RqLlvPR 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. ------- 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"