Project Number Date
test_Tails_ISO_stable 4939 14 Jul 2024, 12:10

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 45 1 7 0 0 53 5 1 6 10:31.609 Failed
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
18.934
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.084
And I prepare Tails for memory erasure tests 0.441
When I start a process allocating 128 MiB of memory with a known pattern 2.311
Then patterns cover at least 128 MiB in the guest's memory 3.516

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I kill the allocating process 0.367
Then I find very few patterns in the guest's memory 4.213

Pattern coverage: 0.645% (5 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:326 0.795
After features/support/hooks.rb:100 0.000
23.690
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.968
And I prepare Tails for memory erasure tests 0.490
And I find very few patterns in the guest's memory 4.154

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.102
Then patterns cover at least 99% of the test FS size in the guest's memory 3.729

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I umount "/mnt" 0.680
Then I find very few patterns in the guest's memory 4.564

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:326 0.776
After features/support/hooks.rb:100 0.000
27.321
Scenario Erasure of read and write disk caches on unmount: vfat
Before features/support/hooks.rb:269 0.002
Steps
Given I have started Tails from DVD without network and logged in 8.031
And I prepare Tails for memory erasure tests 0.418
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.906
Then I find very few patterns in the guest's memory 4.197

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.528
Then patterns cover at least 86% of the test FS size in the guest's memory 3.239
85.777% of the test FS size (127.599609375 MiB) has the pattern, but more than 86.000% was expected.
<false> is not true. (Test::Unit::AssertionFailedError)
./features/step_definitions/erase_memory.rb:170:in `/^patterns cover at least (\d+)% of the test FS size in the guest's memory$/'
features/erase_memory.feature:37:in `Then patterns cover at least 86% of the test FS size in the guest's memory'
Output 1

Pattern coverage: 85.777% (109 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.000
Then I find very few patterns in the guest's memory 0.000
# read cache
When I mount the USB drive again 0.000
And I read the content of the test FS 0.000
Then patterns cover at least 99% of the test FS size in the guest's memory 0.000
When I umount the USB drive 0.000
Then I find very few patterns in the guest's memory 0.000
After features/support/hooks.rb:326 4.923

SCENARIO FAILED: 'Erasure of read and write disk caches on unmount: vfat' (at time 00:30:29)

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/4939/artifact/build-artifacts/00:30:29_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.file_content_var_log_boot.log

Screenshot: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/4939/artifact/build-artifacts/00:30:29_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/4939/artifact/build-artifacts/00:30:29_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.mkv

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/4939/artifact/build-artifacts/00:30:29_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.journal

After features/support/hooks.rb:100 0.000
1:13.346
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.966
And I prepare Tails for memory erasure tests 0.491
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.804
Then I find very few patterns in the guest's memory 3.622

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.972
Then patterns cover at least 99% of the test FS size in the guest's memory 2.903

Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 1.072
Then I find very few patterns in the guest's memory 3.445

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

# read cache
When I mount the USB drive again 6.146
And I read the content of the test FS 0.392
Then patterns cover at least 99% of the test FS size in the guest's memory 3.158

Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.857
Then I find very few patterns in the guest's memory 3.513

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

After features/support/hooks.rb:326 0.863
After features/support/hooks.rb:100 0.000
50.853
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.002
And I prepare Tails for memory erasure tests 0.529
When I fill a 128 MiB file with a known pattern on the root filesystem 15.333
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.510
Then patterns cover at least 128 MiB in the guest's memory 2.723

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I trigger shutdown 0.015
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.718

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 3.531
After features/support/hooks.rb:100 0.000
7:17.463
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:33.550
And I prepare Tails for memory erasure tests 0.403
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.321
When I trigger shutdown 0.012
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.154

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:326 3.495
After features/support/hooks.rb:100 0.011