Project Number Date
test_Tails_ISO_devel 3843 29 May 2025, 13:21

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 12:33.414 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
29.295
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails from DVD without network and logged in 9.728
And I prepare Tails for memory erasure tests 0.666
When I start a process allocating 128 MiB of memory with a known pattern 1.348
Then patterns cover at least 128 MiB in the guest's memory 5.589 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.587
Then I find very few patterns in the guest's memory after 5 seconds 11.375 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.201
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.573
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 10.023
And I prepare Tails for memory erasure tests 1.307
And I find very few patterns in the guest's memory 5.808 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.088
Then patterns cover at least 99% of the test FS size in the guest's memory 4.998 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.461
Then I find very few patterns in the guest's memory after 3 seconds 7.886 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.109
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.498
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 9.403
And I prepare Tails for memory erasure tests 0.779
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.581
Then I find very few patterns in the guest's memory 4.050 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.834
Then patterns cover at least 75% of the test FS size in the guest's memory 5.683 
Pattern coverage: 90.326% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.971
Then I find very few patterns in the guest's memory after 3 seconds 7.310 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 0.318
And I read the content of the test FS 1.046
Then patterns cover at least 99% of the test FS size in the guest's memory 4.301 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.710
Then I find very few patterns in the guest's memory after 3 seconds 7.507 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 1.001
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.137
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 9.934
And I prepare Tails for memory erasure tests 0.702
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.428
Then I find very few patterns in the guest's memory 3.889 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.815
Then patterns cover at least 99% of the test FS size in the guest's memory 3.891 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.210
Then I find very few patterns in the guest's memory after 3 seconds 6.302 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 5.138
And I read the content of the test FS 0.689
Then patterns cover at least 99% of the test FS size in the guest's memory 4.268 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.707
Then I find very few patterns in the guest's memory after 3 seconds 6.159 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 1.791
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.365
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 8.575
And I prepare Tails for memory erasure tests 0.717
When I fill a 128 MiB file with a known pattern on the root filesystem 15.796
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.908
Then patterns cover at least 128 MiB in the guest's memory 3.452 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.897 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:330 3.523
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:16.544
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 7:29.586
And I prepare Tails for memory erasure tests 0.493
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.970
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.481 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 3.524
After features/support/hooks.rb:100 0.017