Project Number Date
test_Tails_ISO_devel 3852 03 Jun 2025, 15:12

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 11:59.221 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
24.399
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 8.510
And I prepare Tails for memory erasure tests 0.415
When I start a process allocating 128 MiB of memory with a known pattern 2.279
Then patterns cover at least 128 MiB in the guest's memory 3.573 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.706
Then I find very few patterns in the guest's memory after 5 seconds 8.914 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 0.960
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.260
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 8.538
And I prepare Tails for memory erasure tests 0.401
And I find very few patterns in the guest's memory 3.897 
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 2.304
Then patterns cover at least 99% of the test FS size in the guest's memory 3.832 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.585
Then I find very few patterns in the guest's memory after 3 seconds 6.700 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 0.851
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.689
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 9.079
And I prepare Tails for memory erasure tests 0.469
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.987
Then I find very few patterns in the guest's memory 2.867 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.828
Then patterns cover at least 75% of the test FS size in the guest's memory 4.090 
Pattern coverage: 85.970% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.026
Then I find very few patterns in the guest's memory after 3 seconds 6.529 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 0.231
And I read the content of the test FS 0.506
Then patterns cover at least 99% of the test FS size in the guest's memory 3.985 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.373
Then I find very few patterns in the guest's memory after 3 seconds 6.715 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 0.802
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.457
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 8.347
And I prepare Tails for memory erasure tests 0.363
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.782
Then I find very few patterns in the guest's memory 3.274 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.974
Then patterns cover at least 99% of the test FS size in the guest's memory 3.825 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.002
Then I find very few patterns in the guest's memory after 3 seconds 6.490 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
# read cache
When I mount the USB drive again 7.168
And I read the content of the test FS 1.304
Then patterns cover at least 99% of the test FS size in the guest's memory 3.994 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.743
Then I find very few patterns in the guest's memory after 3 seconds 6.186 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:330 1.322
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.098
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 8.813
And I prepare Tails for memory erasure tests 0.500
When I fill a 128 MiB file with a known pattern on the root filesystem 17.129
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.397
Then patterns cover at least 128 MiB in the guest's memory 4.078 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.040
Then I find very few patterns in the guest's memory after 20 seconds 21.139 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 3.570
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:4.314
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 7:17.330
And I prepare Tails for memory erasure tests 0.497
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.029
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 21.436 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 3.563
After features/support/hooks.rb:100 0.012