Project Number Date
test_Tails_ISO_devel 3793 29 Apr 2025, 13:20

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 11:10.353 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
24.052
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.273
And I prepare Tails for memory erasure tests 0.533
When I start a process allocating 128 MiB of memory with a known pattern 2.425
Then patterns cover at least 128 MiB in the guest's memory 3.685 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.920
Then I find very few patterns in the guest's memory after 5 seconds 8.214 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 0.811
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.677
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.067
And I prepare Tails for memory erasure tests 0.539
And I find very few patterns in the guest's memory 3.191 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.167
Then patterns cover at least 99% of the test FS size in the guest's memory 3.620 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.580
Then I find very few patterns in the guest's memory after 3 seconds 6.512 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 0.733
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.181
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.296
And I prepare Tails for memory erasure tests 0.547
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.056
Then I find very few patterns in the guest's memory 3.365 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.259
Then patterns cover at least 75% of the test FS size in the guest's memory 3.568 
Pattern coverage: 91.327% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.127
Then I find very few patterns in the guest's memory after 3 seconds 6.423 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 0.276
And I read the content of the test FS 0.502
Then patterns cover at least 99% of the test FS size in the guest's memory 4.090 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.525
Then I find very few patterns in the guest's memory after 3 seconds 7.141 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 0.814
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.346
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.146
And I prepare Tails for memory erasure tests 0.510
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.876
Then I find very few patterns in the guest's memory 3.102 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.991
Then patterns cover at least 99% of the test FS size in the guest's memory 4.847 
Pattern coverage: 106.113% (97 MiB out of 91 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 6.823 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 4.542
And I read the content of the test FS 0.510
Then patterns cover at least 99% of the test FS size in the guest's memory 3.619 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.493
Then I find very few patterns in the guest's memory after 3 seconds 6.102 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 1.124
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.220
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.196
And I prepare Tails for memory erasure tests 0.557
When I fill a 128 MiB file with a known pattern on the root filesystem 16.211
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.067
Then patterns cover at least 128 MiB in the guest's memory 3.340 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.828 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 3.523
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:26.874
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:37.318
And I prepare Tails for memory erasure tests 0.412
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.961
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.169 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 3.523
After features/support/hooks.rb:100 0.014