Project Number Date
test_Tails_ISO_devel 4203 01 Feb 2026, 12:08

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 7:37.268 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
18.595
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 6.657
And I prepare Tails for memory erasure tests 0.449
When I start a process allocating 128 MiB of memory with a known pattern 2.210
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.018 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.342
Then I find very few patterns in the guest's memory after 5 seconds 6.916 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 0.799
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.557
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 6.784
And I prepare Tails for memory erasure tests 0.438
And I find very few patterns in the guest's memory 1.788 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.648
Then patterns cover at least 99% of the test FS size in the guest's memory 2.119 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.856
Then I find very few patterns in the guest's memory after 3 seconds 4.922 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 0.941
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
34.062
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.010
Given I have started Tails from DVD without network and logged in 6.903
And I prepare Tails for memory erasure tests 0.434
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.353
Then I find very few patterns in the guest's memory 1.825 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.312
Then patterns cover at least 75% of the test FS size in the guest's memory 2.181 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.662
Then I find very few patterns in the guest's memory after 3 seconds 4.757 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# read cache
When I mount the USB drive again 0.170
And I read the content of the test FS 0.467
Then patterns cover at least 99% of the test FS size in the guest's memory 1.902 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.282
Then I find very few patterns in the guest's memory after 3 seconds 4.806 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 0.760
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.602
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 7.202
And I prepare Tails for memory erasure tests 0.411
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.971
Then I find very few patterns in the guest's memory 1.681 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.520
Then patterns cover at least 99% of the test FS size in the guest's memory 2.008 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.597
Then I find very few patterns in the guest's memory after 3 seconds 4.675 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# read cache
When I mount the USB drive again 14.889
And I read the content of the test FS 0.330
Then patterns cover at least 99% of the test FS size in the guest's memory 2.059 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.481
Then I find very few patterns in the guest's memory after 3 seconds 4.773 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 0.786
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.797
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 6.592
And I prepare Tails for memory erasure tests 0.538
When I fill a 128 MiB file with a known pattern on the root filesystem 14.093
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.552
Then patterns cover at least 128 MiB in the guest's memory 1.492 
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 20.521 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:331 3.833
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:28.653
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:56.409
And I prepare Tails for memory erasure tests 0.382
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.787
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 21.067 
Pattern coverage: 0.000% (0 MiB out of 1531 MiB reference memory)
After features/support/hooks.rb:331 3.537
After features/support/hooks.rb:100 0.009