Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 94 01 Feb 2025, 21:15

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 11:34.596 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
23.012
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.581
And I prepare Tails for memory erasure tests 0.450
When I start a process allocating 128 MiB of memory with a known pattern 2.403
Then patterns cover at least 128 MiB in the guest's memory 3.351 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.288
Then I find very few patterns in the guest's memory after 5 seconds 7.937 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 1.487
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.113
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.318
And I prepare Tails for memory erasure tests 0.418
And I find very few patterns in the guest's memory 2.801 
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 2.153
Then patterns cover at least 99% of the test FS size in the guest's memory 3.087 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.374
Then I find very few patterns in the guest's memory after 3 seconds 5.959 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 1.573
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.026
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.997
And I prepare Tails for memory erasure tests 0.420
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.196
Then I find very few patterns in the guest's memory 2.938 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.320
Then patterns cover at least 75% of the test FS size in the guest's memory 3.356 
Pattern coverage: 87.660% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.527
Then I find very few patterns in the guest's memory after 3 seconds 5.754 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 0.268
And I read the content of the test FS 0.450
Then patterns cover at least 99% of the test FS size in the guest's memory 3.221 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.642
Then I find very few patterns in the guest's memory after 3 seconds 5.929 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 1.280
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.674
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 21.164
And I prepare Tails for memory erasure tests 0.451
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.345
Then I find very few patterns in the guest's memory 3.036 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.952
Then patterns cover at least 99% of the test FS size in the guest's memory 3.494 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.098
Then I find very few patterns in the guest's memory after 3 seconds 5.859 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 5.420
And I read the content of the test FS 0.487
Then patterns cover at least 99% of the test FS size in the guest's memory 2.869 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.886
Then I find very few patterns in the guest's memory after 3 seconds 5.606 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 1.414
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.707
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.159
And I prepare Tails for memory erasure tests 0.461
When I fill a 128 MiB file with a known pattern on the root filesystem 16.354
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.315
Then patterns cover at least 128 MiB in the guest's memory 2.436 
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 20.968 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 3.505
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:43.062
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 6:57.911
And I prepare Tails for memory erasure tests 0.490
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.329
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.318 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:326 3.560
After features/support/hooks.rb:100 0.012