Project Number Date
test_Tails_ISO_codespell 15 29 Jun 2025, 10:58

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 43 1 7 0 0 51 5 1 6 14:40.090 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.
29.987
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.552
And I prepare Tails for memory erasure tests 0.453
When I start a process allocating 128 MiB of memory with a known pattern 2.041
Then patterns cover at least 128 MiB in the guest's memory 9.891

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

When I kill the allocating process 0.287
Then I find very few patterns in the guest's memory after 5 seconds 8.761

Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)

After features/support/hooks.rb:330 2.403
After features/support/hooks.rb:100 0.000
36.232
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.049
Given I have started Tails from DVD without network and logged in 12.075
And I prepare Tails for memory erasure tests 0.536
And I find very few patterns in the guest's memory 3.401

Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.965
Then patterns cover at least 99% of the test FS size in the guest's memory 10.697

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

When I umount "/mnt" 0.391
Then I find very few patterns in the guest's memory after 3 seconds 7.165

Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)

After features/support/hooks.rb:330 0.816
After features/support/hooks.rb:100 0.000
1:15.260
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 15.737
And I prepare Tails for memory erasure tests 0.661
When I plug and mount a 128 MiB USB drive with a vfat filesystem 16.571
Then I find very few patterns in the guest's memory 2.917

Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.992
Then patterns cover at least 75% of the test FS size in the guest's memory 10.337

Pattern coverage: 85.281% (108 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.863
Then I find very few patterns in the guest's memory after 3 seconds 6.317

Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)

# read cache
When I mount the USB drive again 0.500
And I read the content of the test FS 0.820
Then patterns cover at least 99% of the test FS size in the guest's memory 9.860

Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.004
Then I find very few patterns in the guest's memory after 3 seconds 5.674

Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)

After features/support/hooks.rb:330 0.978
After features/support/hooks.rb:100 0.000
1:22.318
Scenario Erasure of read and write disk caches on unmount: LUKS-encrypted ext4
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Steps
Given I have started Tails from DVD without network and logged in 23.271
And I prepare Tails for memory erasure tests 0.441
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 43.034
Then I find very few patterns in the guest's memory 9.765

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.017
Then patterns cover at least 99% of the test FS size in the guest's memory 3.787
98.535% of the test FS size (91.490234375 MiB) has the pattern, but more than 99.000% 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:54:in `Then patterns cover at least 99% of the test FS size in the guest's memory'
Output 1

Pattern coverage: 98.535% (90 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.000
Then I find very few patterns in the guest's memory after 3 seconds 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 after 3 seconds 0.000
After features/support/hooks.rb:330 8.285

SCENARIO FAILED: 'Erasure of read and write disk caches on unmount: LUKS-encrypted ext4' (at time 00:40:35)

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_codespell/15/artifact/build-artifacts/00:40:35_Erasure_of_read_and_write_disk_caches_on_unmount:_LUKS-encrypted_ext4.file_content_var_log_boot.log

Screenshot: https://jenkins.tails.boum.org/job/test_Tails_ISO_codespell/15/artifact/build-artifacts/00:40:35_Erasure_of_read_and_write_disk_caches_on_unmount:_LUKS-encrypted_ext4.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_codespell/15/artifact/build-artifacts/00:40:35_Erasure_of_read_and_write_disk_caches_on_unmount:_LUKS-encrypted_ext4.mkv

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_codespell/15/artifact/build-artifacts/00:40:35_Erasure_of_read_and_write_disk_caches_on_unmount:_LUKS-encrypted_ext4.journal

After features/support/hooks.rb:100 0.001
1:5.034
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.009
Given I have started Tails from DVD without network and logged in 9.573
And I prepare Tails for memory erasure tests 0.638
When I fill a 128 MiB file with a known pattern on the root filesystem 21.853
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.336
Then patterns cover at least 128 MiB in the guest's memory 9.435

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

When I trigger shutdown 0.092
Then I find very few patterns in the guest's memory after 20 seconds 21.105

Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)

After features/support/hooks.rb:330 3.737
After features/support/hooks.rb:100 0.000
9:51.257
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 9:3.006
And I prepare Tails for memory erasure tests 0.621
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.422
When I trigger shutdown 0.526
Then I find very few patterns in the guest's memory after 20 seconds 24.678

Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)

After features/support/hooks.rb:330 3.722
After features/support/hooks.rb:100 0.050