Project Number Date
test_Tails_ISO_15268-explain-admin-password 2 16 Jul 2025, 14:26

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 20:27.575 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
45.329
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 10.221
And I prepare Tails for memory erasure tests 0.456
When I start a process allocating 128 MiB of memory with a known pattern 1.220
Then patterns cover at least 128 MiB in the guest's memory 12.745 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.540
Then I find very few patterns in the guest's memory after 5 seconds 20.145 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 1.092
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.735
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 8.347
And I prepare Tails for memory erasure tests 0.646
And I find very few patterns in the guest's memory 16.782 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.656
Then patterns cover at least 99% of the test FS size in the guest's memory 28.897 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.417
Then I find very few patterns in the guest's memory after 3 seconds 25.986 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 0.825
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:46.081
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 8.394
And I prepare Tails for memory erasure tests 1.080
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.128
Then I find very few patterns in the guest's memory 25.176 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.674
Then patterns cover at least 75% of the test FS size in the guest's memory 29.096 
Pattern coverage: 86.855% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.796
Then I find very few patterns in the guest's memory after 3 seconds 33.391 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# read cache
When I mount the USB drive again 0.243
And I read the content of the test FS 0.500
Then patterns cover at least 99% of the test FS size in the guest's memory 26.203 
Pattern coverage: 100.596% (128 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 26.112 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 1.062
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
3:10.171
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 11.977
And I prepare Tails for memory erasure tests 0.523
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.038
Then I find very few patterns in the guest's memory 28.489 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.397
Then patterns cover at least 99% of the test FS size in the guest's memory 26.846 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.577
Then I find very few patterns in the guest's memory after 3 seconds 22.255 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 4.104
And I read the content of the test FS 1.571
Then patterns cover at least 99% of the test FS size in the guest's memory 23.640 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.672
Then I find very few patterns in the guest's memory after 3 seconds 24.076 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.495
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.316
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 8.418
And I prepare Tails for memory erasure tests 2.172
When I fill a 128 MiB file with a known pattern on the root filesystem 16.731
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.221
Then patterns cover at least 128 MiB in the guest's memory 30.940 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.027
Then I find very few patterns in the guest's memory after 20 seconds 27.805 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 6.434
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
10:55.941
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 10:3.403
And I prepare Tails for memory erasure tests 0.445
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.246
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 23.834 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.985
After features/support/hooks.rb:100 0.016