Project Number Date
test_Tails_ISO_stable 5483 27 Feb 2025, 12:33

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 11:24.844 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
24.859
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 8.199
And I prepare Tails for memory erasure tests 0.471
When I start a process allocating 128 MiB of memory with a known pattern 2.449
Then patterns cover at least 128 MiB in the guest's memory 4.499 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.924
Then I find very few patterns in the guest's memory after 5 seconds 8.313 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 0.827
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.498
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 8.682
And I prepare Tails for memory erasure tests 0.410
And I find very few patterns in the guest's memory 3.700 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.876
Then patterns cover at least 99% of the test FS size in the guest's memory 4.326 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.595
Then I find very few patterns in the guest's memory after 3 seconds 6.907 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.793
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.035
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 8.125
And I prepare Tails for memory erasure tests 0.477
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.094
Then I find very few patterns in the guest's memory 3.651 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.487
Then patterns cover at least 75% of the test FS size in the guest's memory 7.507 
Pattern coverage: 87.727% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.751
Then I find very few patterns in the guest's memory after 3 seconds 7.376 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 0.449
And I read the content of the test FS 3.662
Then patterns cover at least 99% of the test FS size in the guest's memory 4.111 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.807
Then I find very few patterns in the guest's memory after 3 seconds 6.532 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.993
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.429
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.186
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.727
Then I find very few patterns in the guest's memory 3.105 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.458
Then patterns cover at least 99% of the test FS size in the guest's memory 3.519 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.955
Then I find very few patterns in the guest's memory after 3 seconds 6.086 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 5.195
And I read the content of the test FS 2.299
Then patterns cover at least 99% of the test FS size in the guest's memory 3.444 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.045
Then I find very few patterns in the guest's memory after 3 seconds 5.963 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 2.771
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.741
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 8.162
And I prepare Tails for memory erasure tests 0.492
When I fill a 128 MiB file with a known pattern on the root filesystem 17.896
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.422
Then patterns cover at least 128 MiB in the guest's memory 2.934 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.819 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.534
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:27.279
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 6:44.199
And I prepare Tails for memory erasure tests 0.456
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.317
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.293 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.541
After features/support/hooks.rb:100 0.012