Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 41 08 Dec 2024, 21:00

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 12:12.046 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
24.375
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.188
And I prepare Tails for memory erasure tests 0.483
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 4.423 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.349
Then I find very few patterns in the guest's memory after 3 seconds 7.635 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 0.799
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
38.733
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 21.125
And I prepare Tails for memory erasure tests 0.423
And I find very few patterns in the guest's memory 3.650 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.089
Then patterns cover at least 99% of the test FS size in the guest's memory 4.021 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.702
Then I find very few patterns in the guest's memory after 3 seconds 6.719 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 1.470
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.103
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.402
And I prepare Tails for memory erasure tests 0.415
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.228
Then I find very few patterns in the guest's memory 2.863 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.573
Then patterns cover at least 75% of the test FS size in the guest's memory 5.024 
Pattern coverage: 85.027% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.588
Then I find very few patterns in the guest's memory after 3 seconds 6.108 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 0.321
And I read the content of the test FS 0.584
Then patterns cover at least 99% of the test FS size in the guest's memory 3.999 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.474
Then I find very few patterns in the guest's memory after 3 seconds 7.520 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 0.908
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.030
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.341
And I prepare Tails for memory erasure tests 0.527
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.797
Then I find very few patterns in the guest's memory 2.764 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.105
Then patterns cover at least 99% of the test FS size in the guest's memory 2.833 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 5.713
Then I find very few patterns in the guest's memory after 3 seconds 5.482 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 4.526
And I read the content of the test FS 0.467
Then patterns cover at least 99% of the test FS size in the guest's memory 3.578 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.761
Then I find very few patterns in the guest's memory after 3 seconds 6.132 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.771
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.370
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.480
And I prepare Tails for memory erasure tests 0.455
When I fill a 128 MiB file with a known pattern on the root filesystem 18.214
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.924
Then patterns cover at least 128 MiB in the guest's memory 2.530 
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 20.752 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:326 3.534
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:8.432
Before features/support/hooks.rb:269 0.008
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:21.223
And I prepare Tails for memory erasure tests 0.498
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.297
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.399 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
After features/support/hooks.rb:326 3.528
After features/support/hooks.rb:100 0.012