Project Number Date
test_Tails_ISO_21565-flatpak-safe 34 14 Sep 2026, 03:22

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 7:17.450 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.
19.387
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 6.167
And I prepare Tails for memory erasure tests 0.318
When I start a process allocating 128 MiB of memory with a known pattern 2.174
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.854

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

When I kill the allocating process 0.203
Then I find very few patterns in the guest's memory after 5 seconds 7.669

Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)

After features/support/hooks.rb:339 0.760
After features/support/hooks.rb:108 0.000
19.409
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 6.117
And I prepare Tails for memory erasure tests 0.327
And I find very few patterns in the guest's memory 2.830

Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.451
Then patterns cover at least 99% of the test FS size in the guest's memory 2.820

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

When I umount "/mnt" 0.390
Then I find very few patterns in the guest's memory after 3 seconds 5.471

Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)

After features/support/hooks.rb:339 0.748
After features/support/hooks.rb:108 0.000
36.198
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.185
And I prepare Tails for memory erasure tests 0.347
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.413
Then I find very few patterns in the guest's memory 2.678

Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.633
Then patterns cover at least 75% of the test FS size in the guest's memory 3.054

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

When I umount the USB drive 0.657
Then I find very few patterns in the guest's memory after 3 seconds 5.617

Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)

# read cache
When I mount the USB drive again 0.172
And I read the content of the test FS 0.599
Then patterns cover at least 99% of the test FS size in the guest's memory 2.761

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

When I umount the USB drive 0.392
Then I find very few patterns in the guest's memory after 3 seconds 5.684

Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)

After features/support/hooks.rb:339 1.020
After features/support/hooks.rb:108 0.000
1:0.343
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 6.192
And I prepare Tails for memory erasure tests 0.325
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.964
Then I find very few patterns in the guest's memory 2.801

Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.206
Then patterns cover at least 99% of the test FS size in the guest's memory 2.913

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

When I umount the USB drive 0.515
Then I find very few patterns in the guest's memory after 3 seconds 5.567

Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)

# read cache
When I mount the USB drive again 4.001
And I read the content of the test FS 0.369
Then patterns cover at least 99% of the test FS size in the guest's memory 2.605

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

When I umount the USB drive 0.467
Then I find very few patterns in the guest's memory after 3 seconds 5.412

Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)

After features/support/hooks.rb:339 0.872
After features/support/hooks.rb:108 0.000
43.963
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.143
And I prepare Tails for memory erasure tests 0.304
When I fill a 128 MiB file with a known pattern on the root filesystem 13.184
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.411
Then patterns cover at least 128 MiB in the guest's memory 2.175

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

When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.737

Pattern coverage: 0.000% (0 MiB out of 1395 MiB reference memory)

After features/support/hooks.rb:339 3.567
After features/support/hooks.rb:108 0.000
4:18.147
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 3:45.940
And I prepare Tails for memory erasure tests 0.293
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.757
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.152

Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)

After features/support/hooks.rb:339 3.531
After features/support/hooks.rb:108 0.024