Project Number Date
test_Tails_ISO_stable 5382 09 Jan 2025, 08:47

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 11:19.878 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
21.841
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.892
And I prepare Tails for memory erasure tests 0.669
When I start a process allocating 128 MiB of memory with a known pattern 1.216
Then patterns cover at least 128 MiB in the guest's memory 3.410 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.925
Then I find very few patterns in the guest's memory after 3 seconds 5.726 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:326 0.727
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.207
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 11.287
And I prepare Tails for memory erasure tests 0.416
And I find very few patterns in the guest's memory 2.841 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.720
Then patterns cover at least 99% of the test FS size in the guest's memory 3.437 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.569
Then I find very few patterns in the guest's memory after 3 seconds 5.934 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 0.736
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.002
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.141
And I prepare Tails for memory erasure tests 0.549
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.275
Then I find very few patterns in the guest's memory 2.811 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 8.169
Then patterns cover at least 75% of the test FS size in the guest's memory 3.346 
Pattern coverage: 87.550% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.200
Then I find very few patterns in the guest's memory after 3 seconds 6.080 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 0.283
And I read the content of the test FS 0.456
Then patterns cover at least 99% of the test FS size in the guest's memory 3.044 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.644
Then I find very few patterns in the guest's memory after 3 seconds 5.998 
Pattern coverage: 0.001% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 0.786
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.630
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.891
And I prepare Tails for memory erasure tests 0.482
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.353
Then I find very few patterns in the guest's memory 2.392 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.703
Then patterns cover at least 99% of the test FS size in the guest's memory 2.717 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.903
Then I find very few patterns in the guest's memory after 3 seconds 5.415 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 9.524
And I read the content of the test FS 0.491
Then patterns cover at least 99% of the test FS size in the guest's memory 2.706 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.696
Then I find very few patterns in the guest's memory after 3 seconds 5.352 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 1.757
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.060
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.836
And I prepare Tails for memory erasure tests 0.409
When I fill a 128 MiB file with a known pattern on the root filesystem 16.224
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.460
Then patterns cover at least 128 MiB in the guest's memory 2.371 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.741 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 3.555
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:31.135
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 6:45.533
And I prepare Tails for memory erasure tests 0.527
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.939
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.122 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 3.520
After features/support/hooks.rb:100 0.012