Project Number Date
test_Tails_ISO_20267-webtunnel 5 15 Jul 2025, 00:44

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 17:27.940 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
42.059
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 11.122
And I prepare Tails for memory erasure tests 5.622
When I start a process allocating 128 MiB of memory with a known pattern 4.301
Then patterns cover at least 128 MiB in the guest's memory 3.896 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.410
Then I find very few patterns in the guest's memory after 5 seconds 16.707 
Pattern coverage: 0.000% (0 MiB out of 876 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
1:1.350
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.010
Given I have started Tails from DVD without network and logged in 26.246
And I prepare Tails for memory erasure tests 5.664
And I find very few patterns in the guest's memory 7.291 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.182
Then patterns cover at least 99% of the test FS size in the guest's memory 11.371 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 2.187
Then I find very few patterns in the guest's memory after 3 seconds 6.406 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 1.147
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:15.778
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.013
Given I have started Tails from DVD without network and logged in 45.176
And I prepare Tails for memory erasure tests 2.991
When I plug and mount a 128 MiB USB drive with a vfat filesystem 16.178
Then I find very few patterns in the guest's memory 12.323 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.247
Then patterns cover at least 75% of the test FS size in the guest's memory 14.628 
Pattern coverage: 93.795% (119 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.044
Then I find very few patterns in the guest's memory after 3 seconds 17.802 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 1.104
And I read the content of the test FS 0.684
Then patterns cover at least 99% of the test FS size in the guest's memory 4.360 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.640
Then I find very few patterns in the guest's memory after 3 seconds 14.595 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.965
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
2:34.447
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 34.055
And I prepare Tails for memory erasure tests 2.589
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 1:6.266
Then I find very few patterns in the guest's memory 13.091 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.449
Then patterns cover at least 99% of the test FS size in the guest's memory 3.084 
Pattern coverage: 105.212% (96 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.076
Then I find very few patterns in the guest's memory after 3 seconds 14.003 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 1.006
And I read the content of the test FS 0.830
Then patterns cover at least 99% of the test FS size in the guest's memory 3.341 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.858
Then I find very few patterns in the guest's memory after 3 seconds 11.791 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 1.544
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.691
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 10.439
And I prepare Tails for memory erasure tests 2.377
When I fill a 128 MiB file with a known pattern on the root filesystem 14.546
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.423
Then patterns cover at least 128 MiB in the guest's memory 4.500 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.030
Then I find very few patterns in the guest's memory after 20 seconds 21.372 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.562
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:56.613
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 9:3.367
And I prepare Tails for memory erasure tests 0.584
When I fill a 128 MiB file with a known pattern on the persistent filesystem 30.138
When I trigger shutdown 0.042
Then I find very few patterns in the guest's memory after 20 seconds 22.480 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.639
After features/support/hooks.rb:100 0.014