Project Number Date
test_Tails_ISO_stable 5202 21 Oct 2024, 08:57

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 12:14.322 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
24.539
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.380
And I prepare Tails for memory erasure tests 0.557
When I start a process allocating 128 MiB of memory with a known pattern 4.217
Then patterns cover at least 128 MiB in the guest's memory 3.617 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.780
Then I find very few patterns in the guest's memory after 3 seconds 5.986 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 1.802
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.325
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.430
And I prepare Tails for memory erasure tests 0.560
And I find very few patterns in the guest's memory 2.942 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.373
Then patterns cover at least 99% of the test FS size in the guest's memory 3.582 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.797
Then I find very few patterns in the guest's memory after 3 seconds 6.638 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 1.904
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:4.252
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 12.305
And I prepare Tails for memory erasure tests 0.444
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.689
Then I find very few patterns in the guest's memory 5.911 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.909
Then patterns cover at least 75% of the test FS size in the guest's memory 4.332 
Pattern coverage: 85.287% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 6.011
Then I find very few patterns in the guest's memory after 3 seconds 6.776 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 0.312
And I read the content of the test FS 0.640
Then patterns cover at least 99% of the test FS size in the guest's memory 6.588 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.586
Then I find very few patterns in the guest's memory after 3 seconds 6.745 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 1.660
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:28.144
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.015
And I prepare Tails for memory erasure tests 0.518
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.567
Then I find very few patterns in the guest's memory 3.097 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.961
Then patterns cover at least 99% of the test FS size in the guest's memory 3.619 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.116
Then I find very few patterns in the guest's memory after 3 seconds 6.118 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 12.308
And I read the content of the test FS 0.887
Then patterns cover at least 99% of the test FS size in the guest's memory 3.912 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.701
Then I find very few patterns in the guest's memory after 3 seconds 6.321 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 0.920
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.761
Before features/support/hooks.rb:269 0.009
Given I have started Tails from DVD without network and logged in 8.379
And I prepare Tails for memory erasure tests 0.427
When I fill a 128 MiB file with a known pattern on the root filesystem 16.797
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.131
Then patterns cover at least 128 MiB in the guest's memory 3.055 
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 20.958 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 3.579
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:59.298
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 7:14.980
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 22.378
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.398 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.527
After features/support/hooks.rb:100 0.012