Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 3 31 Oct 2024, 13:42

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 11:50.933 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
24.699
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.481
And I prepare Tails for memory erasure tests 0.439
When I start a process allocating 128 MiB of memory with a known pattern 4.043
Then patterns cover at least 128 MiB in the guest's memory 4.310 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.981
Then I find very few patterns in the guest's memory after 3 seconds 6.444 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 1.111
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
35.059
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.791
And I prepare Tails for memory erasure tests 0.505
And I find very few patterns in the guest's memory 3.875 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.213
Then patterns cover at least 99% of the test FS size in the guest's memory 4.453 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 9.391
Then I find very few patterns in the guest's memory after 3 seconds 5.829 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 1.295
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.016
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.248
And I prepare Tails for memory erasure tests 0.510
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.536
Then I find very few patterns in the guest's memory 3.366 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.466
Then patterns cover at least 75% of the test FS size in the guest's memory 3.827 
Pattern coverage: 87.363% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.870
Then I find very few patterns in the guest's memory after 3 seconds 6.302 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
# read cache
When I mount the USB drive again 0.309
And I read the content of the test FS 0.557
Then patterns cover at least 99% of the test FS size in the guest's memory 3.833 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.821
Then I find very few patterns in the guest's memory after 3 seconds 6.364 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:326 1.075
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:32.585
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.246
And I prepare Tails for memory erasure tests 0.460
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.351
Then I find very few patterns in the guest's memory 2.520 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.641
Then patterns cover at least 99% of the test FS size in the guest's memory 3.063 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.853
Then I find very few patterns in the guest's memory after 3 seconds 5.853 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 26.687
And I read the content of the test FS 0.526
Then patterns cover at least 99% of the test FS size in the guest's memory 3.148 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.690
Then I find very few patterns in the guest's memory after 3 seconds 5.540 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.969
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.762
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.024
And I prepare Tails for memory erasure tests 0.425
When I fill a 128 MiB file with a known pattern on the root filesystem 16.989
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.701
Then patterns cover at least 128 MiB in the guest's memory 2.811 
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 20.798 
Pattern coverage: 0.000% (0 MiB out of 921 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
7:36.809
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 6:52.829
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.267
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.260 
Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)
After features/support/hooks.rb:326 3.541
After features/support/hooks.rb:100 0.012