Project Number Date
test_Tails_ISO_stable 5641 12 May 2025, 13:10

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 11:29.448 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
25.091
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 8.290
And I prepare Tails for memory erasure tests 0.482
When I start a process allocating 128 MiB of memory with a known pattern 2.473
Then patterns cover at least 128 MiB in the guest's memory 3.914 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.109
Then I find very few patterns in the guest's memory after 5 seconds 8.821 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 0.653
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.036
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 8.726
And I prepare Tails for memory erasure tests 0.456
And I find very few patterns in the guest's memory 3.625 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.062
Then patterns cover at least 99% of the test FS size in the guest's memory 4.270 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.504
Then I find very few patterns in the guest's memory after 3 seconds 6.390 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.816
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.415
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 8.397
And I prepare Tails for memory erasure tests 0.410
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.239
Then I find very few patterns in the guest's memory 3.400 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.632
Then patterns cover at least 75% of the test FS size in the guest's memory 3.787 
Pattern coverage: 85.551% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.070
Then I find very few patterns in the guest's memory after 3 seconds 7.092 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# read cache
When I mount the USB drive again 0.265
And I read the content of the test FS 0.614
Then patterns cover at least 99% of the test FS size in the guest's memory 4.000 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.954
Then I find very few patterns in the guest's memory after 3 seconds 6.549 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 1.083
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.484
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 8.587
And I prepare Tails for memory erasure tests 0.365
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.792
Then I find very few patterns in the guest's memory 3.252 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.585
Then patterns cover at least 99% of the test FS size in the guest's memory 3.427 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.723
Then I find very few patterns in the guest's memory after 3 seconds 6.306 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 3.828
And I read the content of the test FS 0.686
Then patterns cover at least 99% of the test FS size in the guest's memory 3.442 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.441
Then I find very few patterns in the guest's memory after 3 seconds 6.043 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.154
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.075
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 8.512
And I prepare Tails for memory erasure tests 0.442
When I fill a 128 MiB file with a known pattern on the root filesystem 17.240
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.722
Then patterns cover at least 128 MiB in the guest's memory 3.255 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.890 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 3.499
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:39.345
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:54.932
And I prepare Tails for memory erasure tests 0.419
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.272
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.702 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:330 3.536
After features/support/hooks.rb:100 0.010