Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 24 20 Nov 2024, 21:36

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 11:4.838 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
22.582
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.106
And I prepare Tails for memory erasure tests 0.534
When I start a process allocating 128 MiB of memory with a known pattern 2.390
Then patterns cover at least 128 MiB in the guest's memory 4.031 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.328
Then I find very few patterns in the guest's memory after 3 seconds 6.191 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.970
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.144
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.213
And I prepare Tails for memory erasure tests 0.424
And I find very few patterns in the guest's memory 3.819 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.043
Then patterns cover at least 99% of the test FS size in the guest's memory 4.215 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.111
Then I find very few patterns in the guest's memory after 3 seconds 6.315 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:326 0.965
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.889
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.499
And I prepare Tails for memory erasure tests 0.479
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.074
Then I find very few patterns in the guest's memory 3.273 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.398
Then patterns cover at least 75% of the test FS size in the guest's memory 3.996 
Pattern coverage: 91.104% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.850
Then I find very few patterns in the guest's memory after 3 seconds 6.126 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
# read cache
When I mount the USB drive again 0.289
And I read the content of the test FS 1.378
Then patterns cover at least 99% of the test FS size in the guest's memory 3.688 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.132
Then I find very few patterns in the guest's memory after 3 seconds 6.702 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 0.794
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.939
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.400
And I prepare Tails for memory erasure tests 0.449
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.873
Then I find very few patterns in the guest's memory 2.719 
Pattern coverage: 0.000% (0 MiB out of 934 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.100
Then patterns cover at least 99% of the test FS size in the guest's memory 2.662 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.857
Then I find very few patterns in the guest's memory after 3 seconds 5.728 
Pattern coverage: 0.000% (0 MiB out of 934 MiB reference memory)
# read cache
When I mount the USB drive again 5.865
And I read the content of the test FS 0.523
Then patterns cover at least 99% of the test FS size in the guest's memory 3.136 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.654
Then I find very few patterns in the guest's memory after 3 seconds 5.967 
Pattern coverage: 0.000% (0 MiB out of 934 MiB reference memory)
After features/support/hooks.rb:326 0.845
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.508
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.084
And I prepare Tails for memory erasure tests 0.555
When I fill a 128 MiB file with a known pattern on the root filesystem 18.358
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.835
Then patterns cover at least 128 MiB in the guest's memory 2.902 
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 20.760 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
After features/support/hooks.rb:326 3.495
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:18.773
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 6:36.117
And I prepare Tails for memory erasure tests 0.415
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.026
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.202 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:326 3.485
After features/support/hooks.rb:100 0.012