Project Number Date
test_Tails_ISO_devel 3670 29 Jan 2025, 14:43

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 10:57.042 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
25.188
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.908
And I prepare Tails for memory erasure tests 0.449
When I start a process allocating 128 MiB of memory with a known pattern 2.406
Then patterns cover at least 128 MiB in the guest's memory 3.312 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.251
Then I find very few patterns in the guest's memory after 5 seconds 7.859 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 2.207
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.728
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.928
And I prepare Tails for memory erasure tests 0.419
And I find very few patterns in the guest's memory 2.760 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.232
Then patterns cover at least 99% of the test FS size in the guest's memory 3.565 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.767
Then I find very few patterns in the guest's memory after 3 seconds 6.053 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 1.322
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.584
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.041
And I prepare Tails for memory erasure tests 0.399
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.092
Then I find very few patterns in the guest's memory 2.725 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 6.102
Then patterns cover at least 75% of the test FS size in the guest's memory 3.437 
Pattern coverage: 88.964% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.692
Then I find very few patterns in the guest's memory after 3 seconds 5.800 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.257
And I read the content of the test FS 0.652
Then patterns cover at least 99% of the test FS size in the guest's memory 3.035 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.641
Then I find very few patterns in the guest's memory after 3 seconds 5.703 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 1.210
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.404
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.171
And I prepare Tails for memory erasure tests 0.493
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.270
Then I find very few patterns in the guest's memory 2.457 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.031
Then patterns cover at least 99% of the test FS size in the guest's memory 2.779 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.210
Then I find very few patterns in the guest's memory after 3 seconds 5.443 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 5.815
And I read the content of the test FS 0.464
Then patterns cover at least 99% of the test FS size in the guest's memory 2.528 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.300
Then I find very few patterns in the guest's memory after 3 seconds 5.437 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 1.437
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.065
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.033
And I prepare Tails for memory erasure tests 0.531
When I fill a 128 MiB file with a known pattern on the root filesystem 14.944
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.298
Then patterns cover at least 128 MiB in the guest's memory 2.523 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.720 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.561
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:16.070
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 6:32.018
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.169
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.421 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 3.547
After features/support/hooks.rb:100 0.012