Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 7 03 Nov 2024, 20:42

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 11:36.355 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
22.793
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.566
And I prepare Tails for memory erasure tests 0.433
When I start a process allocating 128 MiB of memory with a known pattern 2.353
Then patterns cover at least 128 MiB in the guest's memory 3.803 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.640
Then I find very few patterns in the guest's memory after 3 seconds 5.996 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 0.870
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.706
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.429
And I prepare Tails for memory erasure tests 0.408
And I find very few patterns in the guest's memory 3.054 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.235
Then patterns cover at least 99% of the test FS size in the guest's memory 5.640 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.044
Then I find very few patterns in the guest's memory after 3 seconds 5.894 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:326 0.758
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.286
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.076
And I prepare Tails for memory erasure tests 0.380
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.092
Then I find very few patterns in the guest's memory 3.707 
Pattern coverage: 0.000% (0 MiB out of 924 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.773
Then patterns cover at least 75% of the test FS size in the guest's memory 4.374 
Pattern coverage: 86.594% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.334
Then I find very few patterns in the guest's memory after 3 seconds 6.574 
Pattern coverage: 0.000% (0 MiB out of 924 MiB reference memory)
# read cache
When I mount the USB drive again 0.336
And I read the content of the test FS 2.492
Then patterns cover at least 99% of the test FS size in the guest's memory 4.073 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.518
Then I find very few patterns in the guest's memory after 3 seconds 6.552 
Pattern coverage: 0.000% (0 MiB out of 924 MiB reference memory)
After features/support/hooks.rb:326 0.762
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.054
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.037
And I prepare Tails for memory erasure tests 0.437
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.601
Then I find very few patterns in the guest's memory 3.156 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.713
Then patterns cover at least 99% of the test FS size in the guest's memory 3.524 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.426
Then I find very few patterns in the guest's memory after 3 seconds 6.009 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# read cache
When I mount the USB drive again 5.380
And I read the content of the test FS 1.370
Then patterns cover at least 99% of the test FS size in the guest's memory 3.557 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.688
Then I find very few patterns in the guest's memory after 3 seconds 6.151 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 1.529
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.363
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.125
And I prepare Tails for memory erasure tests 0.387
When I fill a 128 MiB file with a known pattern on the root filesystem 16.761
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.967
Then patterns cover at least 128 MiB in the guest's memory 3.191 
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 20.915 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 3.540
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:43.151
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 6:59.371
And I prepare Tails for memory erasure tests 0.456
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.134
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.172 
Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)
After features/support/hooks.rb:326 3.560
After features/support/hooks.rb:100 0.013