Project Number Date
test_Tails_ISO_21559-flatpak-locale-tests 4 01 Sep 2026, 20:18

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 8:1.809 Passed
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.
20.223
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.516
And I prepare Tails for memory erasure tests 0.404
When I start a process allocating 128 MiB of memory with a known pattern 2.217
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.934

Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)

When I kill the allocating process 0.241
Then I find very few patterns in the guest's memory after 5 seconds 7.908

Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)

After features/support/hooks.rb:339 0.979
After features/support/hooks.rb:108 0.000
21.696
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.724
And I prepare Tails for memory erasure tests 0.341
And I find very few patterns in the guest's memory 2.671

Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.423
Then patterns cover at least 99% of the test FS size in the guest's memory 2.851

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

When I umount "/mnt" 0.319
Then I find very few patterns in the guest's memory after 3 seconds 7.364

Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)

After features/support/hooks.rb:339 0.836
After features/support/hooks.rb:108 0.000
40.832
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.589
And I prepare Tails for memory erasure tests 0.379
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.605
Then I find very few patterns in the guest's memory 3.063

Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.513
Then patterns cover at least 75% of the test FS size in the guest's memory 3.826

Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.633
Then I find very few patterns in the guest's memory after 3 seconds 5.890

Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)

# read cache
When I mount the USB drive again 0.223
And I read the content of the test FS 0.708
Then patterns cover at least 99% of the test FS size in the guest's memory 3.639

Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.353
Then I find very few patterns in the guest's memory after 3 seconds 7.404

Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)

After features/support/hooks.rb:339 0.867
After features/support/hooks.rb:108 0.000
1:8.143
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.476
And I prepare Tails for memory erasure tests 0.382
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.357
Then I find very few patterns in the guest's memory 2.641

Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.180
Then patterns cover at least 99% of the test FS size in the guest's memory 2.915

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.524
Then I find very few patterns in the guest's memory after 3 seconds 5.619

Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)

# read cache
When I mount the USB drive again 4.366
And I read the content of the test FS 0.343
Then patterns cover at least 99% of the test FS size in the guest's memory 2.835

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.517
Then I find very few patterns in the guest's memory after 3 seconds 5.982

Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)

After features/support/hooks.rb:339 0.618
After features/support/hooks.rb:108 0.000
45.064
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.492
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the root filesystem 12.949
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.811
Then patterns cover at least 128 MiB in the guest's memory 2.576

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

When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.795

Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)

After features/support/hooks.rb:339 3.492
After features/support/hooks.rb:108 0.000
4:45.849
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:14.316
And I prepare Tails for memory erasure tests 0.386
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.077
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.064

Pattern coverage: 0.000% (0 MiB out of 1530 MiB reference memory)

After features/support/hooks.rb:339 3.379
After features/support/hooks.rb:108 0.026