Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 66 25 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 11:47.519 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
20.613
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.401
And I prepare Tails for memory erasure tests 0.450
When I start a process allocating 128 MiB of memory with a known pattern 1.253
Then patterns cover at least 128 MiB in the guest's memory 3.669 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.093
Then I find very few patterns in the guest's memory after 3 seconds 5.744 
Pattern coverage: 0.000% (0 MiB out of 926 MiB reference memory)
After features/support/hooks.rb:326 1.018
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.976
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.742
And I prepare Tails for memory erasure tests 0.455
And I find very few patterns in the guest's memory 2.983 
Pattern coverage: 0.000% (0 MiB out of 926 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.896
Then patterns cover at least 99% of the test FS size in the guest's memory 4.148 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.043
Then I find very few patterns in the guest's memory after 3 seconds 6.705 
Pattern coverage: 0.000% (0 MiB out of 926 MiB reference memory)
After features/support/hooks.rb:326 1.054
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.215
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.748
And I prepare Tails for memory erasure tests 0.413
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.144
Then I find very few patterns in the guest's memory 3.726 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.480
Then patterns cover at least 75% of the test FS size in the guest's memory 4.192 
Pattern coverage: 87.054% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.608
Then I find very few patterns in the guest's memory after 3 seconds 6.407 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 0.312
And I read the content of the test FS 0.705
Then patterns cover at least 99% of the test FS size in the guest's memory 3.876 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.707
Then I find very few patterns in the guest's memory after 3 seconds 5.890 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 1.037
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.416
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.193
And I prepare Tails for memory erasure tests 0.488
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.733
Then I find very few patterns in the guest's memory 2.728 
Pattern coverage: 0.000% (0 MiB out of 930 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.099
Then patterns cover at least 99% of the test FS size in the guest's memory 3.514 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.864
Then I find very few patterns in the guest's memory after 3 seconds 6.174 
Pattern coverage: 0.000% (0 MiB out of 930 MiB reference memory)
# read cache
When I mount the USB drive again 6.056
And I read the content of the test FS 0.522
Then patterns cover at least 99% of the test FS size in the guest's memory 3.462 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.719
Then I find very few patterns in the guest's memory after 3 seconds 6.860 
Pattern coverage: 0.000% (0 MiB out of 930 MiB reference memory)
After features/support/hooks.rb:326 1.010
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.409
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.700
And I prepare Tails for memory erasure tests 0.554
When I fill a 128 MiB file with a known pattern on the root filesystem 18.529
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.689
Then patterns cover at least 128 MiB in the guest's memory 3.133 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.784 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 3.532
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:55.889
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 7:13.577
And I prepare Tails for memory erasure tests 0.641
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.485
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.172 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:326 3.542
After features/support/hooks.rb:100 0.014