Project Number Date
test_Tails_ISO_devel 3855 05 Jun 2025, 13:26

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 12:23.311 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
35.245
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 9.623
And I prepare Tails for memory erasure tests 0.588
When I start a process allocating 128 MiB of memory with a known pattern 1.582
Then patterns cover at least 128 MiB in the guest's memory 9.712 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.784
Then I find very few patterns in the guest's memory after 5 seconds 12.952 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 0.743
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
34.302
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 8.767
And I prepare Tails for memory erasure tests 0.506
And I find very few patterns in the guest's memory 3.975 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.830
Then patterns cover at least 99% of the test FS size in the guest's memory 8.379 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.416
Then I find very few patterns in the guest's memory after 3 seconds 10.427 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 0.791
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.271
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 8.789
And I prepare Tails for memory erasure tests 0.477
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.478
Then I find very few patterns in the guest's memory 4.046 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.211
Then patterns cover at least 75% of the test FS size in the guest's memory 4.591 
Pattern coverage: 86.197% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.199
Then I find very few patterns in the guest's memory after 3 seconds 7.186 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 0.268
And I read the content of the test FS 0.877
Then patterns cover at least 99% of the test FS size in the guest's memory 4.185 
Pattern coverage: 100.608% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.530
Then I find very few patterns in the guest's memory after 3 seconds 7.428 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 1.207
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:26.083
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 9.959
And I prepare Tails for memory erasure tests 0.675
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.578
Then I find very few patterns in the guest's memory 3.787 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.185
Then patterns cover at least 99% of the test FS size in the guest's memory 3.842 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.198
Then I find very few patterns in the guest's memory after 3 seconds 6.353 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 5.229
And I read the content of the test FS 0.621
Then patterns cover at least 99% of the test FS size in the guest's memory 3.821 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.558
Then I find very few patterns in the guest's memory after 3 seconds 6.268 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 1.843
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.867
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 9.039
And I prepare Tails for memory erasure tests 0.600
When I fill a 128 MiB file with a known pattern on the root filesystem 17.964
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.927
Then patterns cover at least 128 MiB in the guest's memory 3.403 
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 20.917 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.587
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:58.542
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 7:14.144
And I prepare Tails for memory erasure tests 0.548
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.506
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.329 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 3.528
After features/support/hooks.rb:100 0.013