Project Number Date
test_Tails_ISO_devel 3729 07 Mar 2025, 13:11

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 11:38.396 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
24.610
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 9.553
And I prepare Tails for memory erasure tests 0.564
When I start a process allocating 128 MiB of memory with a known pattern 2.601
Then patterns cover at least 128 MiB in the guest's memory 3.358 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.290
Then I find very few patterns in the guest's memory after 5 seconds 8.242 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.969
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.275
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 8.158
And I prepare Tails for memory erasure tests 0.424
And I find very few patterns in the guest's memory 3.105 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.524
Then patterns cover at least 99% of the test FS size in the guest's memory 3.204 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.010
Then I find very few patterns in the guest's memory after 3 seconds 5.850 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 1.088
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.371
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 8.394
And I prepare Tails for memory erasure tests 0.421
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.121
Then I find very few patterns in the guest's memory 3.502 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.947
Then patterns cover at least 75% of the test FS size in the guest's memory 4.236 
Pattern coverage: 88.823% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.716
Then I find very few patterns in the guest's memory after 3 seconds 6.644 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 0.755
And I read the content of the test FS 0.527
Then patterns cover at least 99% of the test FS size in the guest's memory 4.167 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.434
Then I find very few patterns in the guest's memory after 3 seconds 6.501 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 1.391
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.481
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 8.344
And I prepare Tails for memory erasure tests 0.458
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.305
Then I find very few patterns in the guest's memory 2.546 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.731
Then patterns cover at least 99% of the test FS size in the guest's memory 2.723 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.825
Then I find very few patterns in the guest's memory after 3 seconds 5.411 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 5.318
And I read the content of the test FS 0.521
Then patterns cover at least 99% of the test FS size in the guest's memory 3.486 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.822
Then I find very few patterns in the guest's memory after 3 seconds 5.986 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 2.125
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.848
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 8.979
And I prepare Tails for memory erasure tests 0.521
When I fill a 128 MiB file with a known pattern on the root filesystem 15.631
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.662
Then patterns cover at least 128 MiB in the guest's memory 3.041 
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 20.998 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.618
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:51.807
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 7:4.535
And I prepare Tails for memory erasure tests 1.437
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.518
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.303 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.565
After features/support/hooks.rb:100 0.015