Project Number Date
test_Tails_ISO_stable 5431 29 Jan 2025, 14:24

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 11:45.526 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
25.575
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.600
And I prepare Tails for memory erasure tests 0.788
When I start a process allocating 128 MiB of memory with a known pattern 1.785
Then patterns cover at least 128 MiB in the guest's memory 4.047 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.193
Then I find very few patterns in the guest's memory after 5 seconds 8.160 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 0.764
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.107
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.288
And I prepare Tails for memory erasure tests 0.479
And I find very few patterns in the guest's memory 3.253 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.889
Then patterns cover at least 99% of the test FS size in the guest's memory 5.269 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.493
Then I find very few patterns in the guest's memory after 3 seconds 6.434 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 1.244
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.977
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.724
And I prepare Tails for memory erasure tests 0.475
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.243
Then I find very few patterns in the guest's memory 3.660 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.346
Then patterns cover at least 75% of the test FS size in the guest's memory 4.304 
Pattern coverage: 90.038% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.340
Then I find very few patterns in the guest's memory after 3 seconds 6.556 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# read cache
When I mount the USB drive again 0.230
And I read the content of the test FS 0.748
Then patterns cover at least 99% of the test FS size in the guest's memory 3.965 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.778
Then I find very few patterns in the guest's memory after 3 seconds 6.601 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 1.399
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.777
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.212
And I prepare Tails for memory erasure tests 0.503
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.975
Then I find very few patterns in the guest's memory 2.612 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.405
Then patterns cover at least 99% of the test FS size in the guest's memory 3.456 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.997
Then I find very few patterns in the guest's memory after 3 seconds 6.502 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# read cache
When I mount the USB drive again 4.542
And I read the content of the test FS 0.468
Then patterns cover at least 99% of the test FS size in the guest's memory 3.212 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.698
Then I find very few patterns in the guest's memory after 3 seconds 6.190 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 1.044
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.080
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.527
And I prepare Tails for memory erasure tests 0.506
When I fill a 128 MiB file with a known pattern on the root filesystem 15.706
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.610
Then patterns cover at least 128 MiB in the guest's memory 2.962 
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 20.752 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 3.540
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:1.006
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 7:15.550
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 23.766
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.249 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 3.595
After features/support/hooks.rb:100 0.012