Project Number Date
test_Tails_ISO_stable 5244 02 Nov 2024, 12:51

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 12:6.658 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
23.943
Before features/support/hooks.rb:269 0.007
Given I have started Tails from DVD without network and logged in 8.499
And I prepare Tails for memory erasure tests 0.453
When I start a process allocating 128 MiB of memory with a known pattern 2.323
Then patterns cover at least 128 MiB in the guest's memory 3.569 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.020
Then I find very few patterns in the guest's memory after 3 seconds 7.076 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 1.469
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.314
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.199
And I prepare Tails for memory erasure tests 0.449
And I find very few patterns in the guest's memory 3.511 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.830
Then patterns cover at least 99% of the test FS size in the guest's memory 4.750 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.751
Then I find very few patterns in the guest's memory after 3 seconds 6.820 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.790
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.147
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.169
And I prepare Tails for memory erasure tests 0.424
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.931
Then I find very few patterns in the guest's memory 3.970 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.029
Then patterns cover at least 75% of the test FS size in the guest's memory 4.941 
Pattern coverage: 87.106% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.635
Then I find very few patterns in the guest's memory after 3 seconds 6.760 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 0.313
And I read the content of the test FS 0.913
Then patterns cover at least 99% of the test FS size in the guest's memory 4.233 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.947
Then I find very few patterns in the guest's memory after 3 seconds 6.877 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 0.927
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.794
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.450
And I prepare Tails for memory erasure tests 0.448
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.652
Then I find very few patterns in the guest's memory 2.614 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.192
Then patterns cover at least 99% of the test FS size in the guest's memory 6.236 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.256
Then I find very few patterns in the guest's memory after 3 seconds 7.720 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# read cache
When I mount the USB drive again 4.674
And I read the content of the test FS 0.585
Then patterns cover at least 99% of the test FS size in the guest's memory 3.591 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.288
Then I find very few patterns in the guest's memory after 3 seconds 6.080 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 1.693
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.959
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.070
And I prepare Tails for memory erasure tests 0.406
When I fill a 128 MiB file with a known pattern on the root filesystem 16.053
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.170
Then patterns cover at least 128 MiB in the guest's memory 3.135 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.103 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 3.557
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:8.499
Before features/support/hooks.rb:269 0.010
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:26.238
And I prepare Tails for memory erasure tests 0.427
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.413
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.406 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.554
After features/support/hooks.rb:100 0.013