Project Number Date
test_Tails_ISO_stable 4747 27 Mar 2024, 12:14

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 10:22.340 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.
20.230
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 9.043
And I prepare Tails for memory erasure tests 0.785
When I start a process allocating 128 MiB of memory with a known pattern 2.524
Then patterns cover at least 128 MiB in the guest's memory 3.595

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

When I kill the allocating process 0.394
Then I find very few patterns in the guest's memory 3.887

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:291 0.788
After features/support/hooks.rb:75 0.000
25.408
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.226
And I prepare Tails for memory erasure tests 0.437
And I find very few patterns in the guest's memory 4.536

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.485
Then patterns cover at least 99% of the test FS size in the guest's memory 4.775

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

When I umount "/mnt" 0.420
Then I find very few patterns in the guest's memory 5.526

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:291 0.883
After features/support/hooks.rb:75 0.000
25.927
Scenario Erasure of read and write disk caches on unmount: vfat
Before features/support/hooks.rb:245 0.002
Steps
Given I have started Tails from DVD without network and logged in 8.160
And I prepare Tails for memory erasure tests 0.405
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.913
Then I find very few patterns in the guest's memory 3.911

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.238
Then patterns cover at least 86% of the test FS size in the guest's memory 3.298
84.109% 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: 84.109% (107 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:291 4.162

SCENARIO FAILED: 'Erasure of read and write disk caches on unmount: vfat' (at time 00:28:55)

Screenshot: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/4747/artifact/build-artifacts/00:28:55_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/4747/artifact/build-artifacts/00:28:55_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.mkv

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/4747/artifact/build-artifacts/00:28:55_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.boot-log

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/4747/artifact/build-artifacts/00:28:55_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.journal

After features/support/hooks.rb:75 0.000
1:20.553
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.841
And I prepare Tails for memory erasure tests 0.369
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.282
Then I find very few patterns in the guest's memory 5.809

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.426
Then patterns cover at least 99% of the test FS size in the guest's memory 7.307

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

When I umount the USB drive 0.924
Then I find very few patterns in the guest's memory 5.112

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

# read cache
When I mount the USB drive again 4.491
And I read the content of the test FS 1.534
Then patterns cover at least 99% of the test FS size in the guest's memory 3.847

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

When I umount the USB drive 0.494
Then I find very few patterns in the guest's memory 4.113

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:291 0.902
After features/support/hooks.rb:75 0.000
55.291
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 9.292
And I prepare Tails for memory erasure tests 0.387
When I fill a 128 MiB file with a known pattern on the root filesystem 17.080
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.662
Then patterns cover at least 128 MiB in the guest's memory 3.483

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

When I trigger shutdown 0.011
And I wait 20 seconds 20.019

Slept for 20 seconds

Then I find very few patterns in the guest's memory 3.353

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:291 3.596
After features/support/hooks.rb:75 0.000
6:54.928
Before features/support/hooks.rb:245 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:10.692
And I prepare Tails for memory erasure tests 0.404
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.568
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 2.231

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:291 3.525
After features/support/hooks.rb:75 0.010