Project Number Date
test_Tails_ISO_stable 5061 31 Aug 2024, 12:13

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 10:43.194 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
21.957
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.930
And I prepare Tails for memory erasure tests 0.526
When I start a process allocating 128 MiB of memory with a known pattern 2.296
Then patterns cover at least 128 MiB in the guest's memory 3.833 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.311
Then I find very few patterns in the guest's memory after 3 seconds 6.058 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 0.765
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.875
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.977
And I prepare Tails for memory erasure tests 0.461
And I find very few patterns in the guest's memory 3.249 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.026
Then patterns cover at least 99% of the test FS size in the guest's memory 3.582 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.902
Then I find very few patterns in the guest's memory after 3 seconds 6.676 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.764
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.268
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.915
And I prepare Tails for memory erasure tests 0.498
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.189
Then I find very few patterns in the guest's memory 3.126 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.782
Then patterns cover at least 75% of the test FS size in the guest's memory 3.809 
Pattern coverage: 90.127% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.787
Then I find very few patterns in the guest's memory after 3 seconds 6.154 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.262
And I read the content of the test FS 0.535
Then patterns cover at least 99% of the test FS size in the guest's memory 3.415 
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 6.150 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.789
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.538
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.878
And I prepare Tails for memory erasure tests 0.374
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.454
Then I find very few patterns in the guest's memory 2.565 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.839
Then patterns cover at least 99% of the test FS size in the guest's memory 2.954 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.902
Then I find very few patterns in the guest's memory after 3 seconds 5.497 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 5.256
And I read the content of the test FS 0.453
Then patterns cover at least 99% of the test FS size in the guest's memory 3.093 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.611
Then I find very few patterns in the guest's memory after 3 seconds 5.656 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.912
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.589
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.882
And I prepare Tails for memory erasure tests 0.464
When I fill a 128 MiB file with a known pattern on the root filesystem 14.836
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.722
Then patterns cover at least 128 MiB in the guest's memory 2.870 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.799 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
After features/support/hooks.rb:326 3.522
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:7.964
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:24.982
And I prepare Tails for memory erasure tests 0.395
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.427
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.148 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 3.534
After features/support/hooks.rb:100 0.013