Issue

Description of problem: Running xfstest generic/020 on guest (virtiofs + nfs), I hit the below error. ``` 2023-04-22 03:01:55: 10.73.75.61generic/020 2023-04-22 03:03:38: 10.73.75.61- output mismatch (see /home/xfstests-dev/results//generic/020.out.bad) 2023-04-22 03:03:38: 10.73.75.61 — tests/generic/020.out 2023-04-22 15:00:05.064139777 +0800 2023-04-22 03:03:38: 10.73.75.61 +++ /home/xfstests-dev/results//generic/020.out.bad 2023-04-22 15:03:38.020004735 +0800 2023-04-22 03:03:38: 10.73.75.61 @@ -40,7 +40,8 @@ 2023-04-22 03:03:38: 10.73.75.61 2023-04-22 03:03:38: 10.73.75.61 *** add lots of attributes 2023-04-22 03:03:38: 10.73.75.61 *** check 2023-04-22 03:03:38: 10.73.75.61 - *** MAX_ATTRS attribute(s) 2023-04-22 03:03:38: 10.73.75.61 +getfattr: /mnt/myfs1/attribute_45109: Argument list too long 2023-04-22 03:03:38: 10.73.75.61 + *** -1 attribute(s) 2023-04-22 03:03:38: 10.73.75.61 *** remove lots of attributes ``` Version-Release number of selected component (if applicable): qemu-kvm-8.0.0-1.el9.x86_64 virtiofsd-1.5.0-1.el9.x86_64 edk2-ovmf-20230301gitf80f052277c8-2.el9.noarch kernel-5.14.0-300.el9.x86_64 How reproducible: 100% Steps to Reproduce: 1. start a local nfs ``` 127.0.0.1:/mnt/virtio_fs1_test_nfs on /tmp/virtio_fs1_test type nfs4 (rw,relatime,vers=4.2,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,clientaddr=127.0.0.1,local_lock=none,addr=127.0.0.1) 127.0.0.1:/mnt/virtio_fs2_test_nfs on /tmp/virtio_fs2_test type nfs4 (rw,relatime,vers=4.2,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,clientaddr=127.0.0.1,local_lock=none,addr=127.0.0.1) ``` 2. start a vm with virtiofs /usr/libexec/virtiofsd --socket-path=/var/tmp/avocado_lug62v1b/avocado-vt-vm1-fs1-virtiofsd.sock -o source=/tmp/virtio_fs1_test --xattr --modcaps=+sys_admin 3. login guest and install xfstests setup local.config like this ``` export TEST_DEV=myfs1 && export TEST_DIR=/mnt/myfs1 && export SCRATCH_DEV=myfs2 && export SCRATCH_MNT=/mnt/myfs2 && export FSTYP=virtiofs && export FSX_AVOID="-E" ``` 4. run generic/020 test in guest. ./check -virtiofs generic/020 Actual results: Failed and the output is in above. Expected results: PASS Additional info: Run it on nfs, the result is PASS. [root@dell-per730-38 xfstests-dev]# ./check -nfs generic/020 FSTYP – nfs PLATFORM – Linux/x86_64 dell-per730-38 5.14.0-300.el9.x86_64 #1 SMP PREEMPT_DYNAMIC Mon Apr 17 04:33:53 EDT 2023 MKFS_OPTIONS – 127.0.0.1:/mnt/virtio_fs2_test_nfs MOUNT_OPTIONS – -o rw,relatime,vers=4.2 127.0.0.1:/mnt/virtio_fs2_test_nfs /home/test/test2 generic/020 3s ... 3s Ran: generic/020 Passed all 1 tests And this issue isn't a regression, RHEL8.8 also has the same issue. see https://bugzilla.redhat.com/show_bug.cgi?id=2158092#c6

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Resolution

Not a Bug