Project Number Date
test_Tails_ISO_stable 6067 15 Jan 2026, 07:51

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 7:15.202 Passed
Tags: @product @slow @not_release_blocker
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.
Tags: @product @slow @not_release_blocker
18.784
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 7.005
And I prepare Tails for memory erasure tests 0.369
When I start a process allocating 128 MiB of memory with a known pattern 2.208
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.090 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.174
Then I find very few patterns in the guest's memory after 5 seconds 6.936 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 1.000
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.438
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 7.026
And I prepare Tails for memory erasure tests 0.379
And I find very few patterns in the guest's memory 1.675 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.120
Then patterns cover at least 99% of the test FS size in the guest's memory 2.382 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.833
Then I find very few patterns in the guest's memory after 3 seconds 5.020 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:331 0.830
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
34.244
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 7.140
And I prepare Tails for memory erasure tests 0.413
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.385
Then I find very few patterns in the guest's memory 2.248 
Pattern coverage: 0.000% (0 MiB out of 1505 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.040
Then patterns cover at least 75% of the test FS size in the guest's memory 2.155 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.231
Then I find very few patterns in the guest's memory after 3 seconds 4.797 
Pattern coverage: 0.000% (0 MiB out of 1505 MiB reference memory)
# read cache
When I mount the USB drive again 0.158
And I read the content of the test FS 0.426
Then patterns cover at least 99% of the test FS size in the guest's memory 1.893 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.343
Then I find very few patterns in the guest's memory after 3 seconds 5.009 
Pattern coverage: 0.000% (0 MiB out of 1505 MiB reference memory)
After features/support/hooks.rb:331 1.253
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.204
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 7.424
And I prepare Tails for memory erasure tests 0.414
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.679
Then I find very few patterns in the guest's memory 1.833 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.284
Then patterns cover at least 99% of the test FS size in the guest's memory 2.043 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.558
Then I find very few patterns in the guest's memory after 3 seconds 4.702 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# read cache
When I mount the USB drive again 3.740
And I read the content of the test FS 0.305
Then patterns cover at least 99% of the test FS size in the guest's memory 1.878 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.455
Then I find very few patterns in the guest's memory after 3 seconds 4.884 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 0.658
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.242
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 7.352
And I prepare Tails for memory erasure tests 0.395
When I fill a 128 MiB file with a known pattern on the root filesystem 13.688
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.611
Then patterns cover at least 128 MiB in the guest's memory 1.635 
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 20.553 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 3.813
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:19.288
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:47.791
And I prepare Tails for memory erasure tests 0.349
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.185
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.954 
Pattern coverage: 0.000% (0 MiB out of 1517 MiB reference memory)
After features/support/hooks.rb:331 3.466
After features/support/hooks.rb:100 0.009