Project Number Date
test_Tails_ISO_stable 5321 08 Dec 2024, 12:29

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 12:9.414 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
28.566
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.239
And I prepare Tails for memory erasure tests 0.544
When I start a process allocating 128 MiB of memory with a known pattern 1.311
Then patterns cover at least 128 MiB in the guest's memory 3.634 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 3.150
Then I find very few patterns in the guest's memory after 3 seconds 10.686 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 1.056
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.198
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.121
And I prepare Tails for memory erasure tests 0.431
And I find very few patterns in the guest's memory 3.654 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.137
Then patterns cover at least 99% of the test FS size in the guest's memory 4.000 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 2.291
Then I find very few patterns in the guest's memory after 3 seconds 6.561 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 1.297
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.943
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.174
And I prepare Tails for memory erasure tests 0.422
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.155
Then I find very few patterns in the guest's memory 4.326 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.819
Then patterns cover at least 75% of the test FS size in the guest's memory 4.175 
Pattern coverage: 85.728% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.437
Then I find very few patterns in the guest's memory after 3 seconds 6.518 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 0.467
And I read the content of the test FS 0.813
Then patterns cover at least 99% of the test FS size in the guest's memory 4.455 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.650
Then I find very few patterns in the guest's memory after 3 seconds 6.526 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 1.445
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.216
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.241
And I prepare Tails for memory erasure tests 0.498
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.431
Then I find very few patterns in the guest's memory 3.325 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.040
Then patterns cover at least 99% of the test FS size in the guest's memory 3.561 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.163
Then I find very few patterns in the guest's memory after 3 seconds 6.092 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 7.333
And I read the content of the test FS 1.401
Then patterns cover at least 99% of the test FS size in the guest's memory 3.653 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.236
Then I find very few patterns in the guest's memory after 3 seconds 6.236 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 1.230
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
52.250
Before features/support/hooks.rb:269 0.006
Given I have started Tails from DVD without network and logged in 9.812
And I prepare Tails for memory erasure tests 0.682
When I fill a 128 MiB file with a known pattern on the root filesystem 16.004
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.105
Then patterns cover at least 128 MiB in the guest's memory 2.786 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.843 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 3.548
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:8.238
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:23.232
And I prepare Tails for memory erasure tests 0.394
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.234
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.360 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 3.497
After features/support/hooks.rb:100 0.013