Project Number Date
test_Tails_ISO_stable 5291 25 Nov 2024, 20:04

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 11:45.719 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
23.577
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.167
And I prepare Tails for memory erasure tests 0.441
When I start a process allocating 128 MiB of memory with a known pattern 2.277
Then patterns cover at least 128 MiB in the guest's memory 4.008 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.991
Then I find very few patterns in the guest's memory after 3 seconds 6.690 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 0.825
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.040
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.446
And I prepare Tails for memory erasure tests 0.461
And I find very few patterns in the guest's memory 3.660 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.172
Then patterns cover at least 99% of the test FS size in the guest's memory 3.910 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.150
Then I find very few patterns in the guest's memory after 3 seconds 7.239 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 1.079
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.998
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.557
And I prepare Tails for memory erasure tests 0.503
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.046
Then I find very few patterns in the guest's memory 3.780 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.679
Then patterns cover at least 75% of the test FS size in the guest's memory 4.422 
Pattern coverage: 87.785% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.364
Then I find very few patterns in the guest's memory after 3 seconds 6.834 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 0.297
And I read the content of the test FS 0.673
Then patterns cover at least 99% of the test FS size in the guest's memory 4.193 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.893
Then I find very few patterns in the guest's memory after 3 seconds 6.752 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 1.516
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.990
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.289
And I prepare Tails for memory erasure tests 0.457
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.225
Then I find very few patterns in the guest's memory 2.967 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.984
Then patterns cover at least 99% of the test FS size in the guest's memory 3.234 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.142
Then I find very few patterns in the guest's memory after 3 seconds 5.579 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 7.034
And I read the content of the test FS 0.630
Then patterns cover at least 99% of the test FS size in the guest's memory 3.042 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.261
Then I find very few patterns in the guest's memory after 3 seconds 6.139 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.829
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.858
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.324
And I prepare Tails for memory erasure tests 0.491
When I fill a 128 MiB file with a known pattern on the root filesystem 16.850
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.872
Then patterns cover at least 128 MiB in the guest's memory 2.581 
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 20.725 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 3.543
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:54.253
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 7:7.082
And I prepare Tails for memory erasure tests 0.414
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.295
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.445 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 3.541
After features/support/hooks.rb:100 0.014