Project Number Date
test_Tails_ISO_web-release-7.14 5 29 Sep 2026, 22:09

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 7:26.957 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
20.855
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.626
And I prepare Tails for memory erasure tests 0.327
When I start a process allocating 128 MiB of memory with a known pattern 2.224
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.981 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.726
Then I find very few patterns in the guest's memory after 5 seconds 7.969 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 0.883
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.400
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 6.562
And I prepare Tails for memory erasure tests 0.332
And I find very few patterns in the guest's memory 2.713 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.566
Then patterns cover at least 99% of the test FS size in the guest's memory 3.007 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.389
Then I find very few patterns in the guest's memory after 3 seconds 5.828 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
After features/support/hooks.rb:339 0.824
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.736
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.460
And I prepare Tails for memory erasure tests 0.332
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.247
Then I find very few patterns in the guest's memory 3.204 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.670
Then patterns cover at least 75% of the test FS size in the guest's memory 3.062 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.774
Then I find very few patterns in the guest's memory after 3 seconds 5.758 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# read cache
When I mount the USB drive again 0.190
And I read the content of the test FS 0.655
Then patterns cover at least 99% of the test FS size in the guest's memory 3.132 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.399
Then I find very few patterns in the guest's memory after 3 seconds 5.847 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 1.026
After features/support/hooks.rb:108 0.002
Tags: @product @slow @not_release_blocker
1:3.906
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 6.512
And I prepare Tails for memory erasure tests 0.287
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.877
Then I find very few patterns in the guest's memory 2.864 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.310
Then patterns cover at least 99% of the test FS size in the guest's memory 2.812 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.489
Then I find very few patterns in the guest's memory after 3 seconds 5.968 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
# read cache
When I mount the USB drive again 4.125
And I read the content of the test FS 0.463
Then patterns cover at least 99% of the test FS size in the guest's memory 2.931 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.451
Then I find very few patterns in the guest's memory after 3 seconds 5.812 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
After features/support/hooks.rb:339 0.848
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.936
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 6.396
And I prepare Tails for memory erasure tests 0.335
When I fill a 128 MiB file with a known pattern on the root filesystem 12.775
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.461
Then patterns cover at least 128 MiB in the guest's memory 2.163 
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 20.797 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 3.608
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:20.121
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 3:48.712
And I prepare Tails for memory erasure tests 0.314
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.889
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.200 
Pattern coverage: 0.000% (0 MiB out of 1439 MiB reference memory)
After features/support/hooks.rb:339 3.576
After features/support/hooks.rb:108 0.074