Project Number Date
test_Tails_ISO_devel 3802 06 May 2025, 13:38

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 13:47.218 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
28.520
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 8.788
And I prepare Tails for memory erasure tests 0.502
When I start a process allocating 128 MiB of memory with a known pattern 3.474
Then patterns cover at least 128 MiB in the guest's memory 4.664 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.643
Then I find very few patterns in the guest's memory after 5 seconds 9.446 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.092
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.181
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 10.594
And I prepare Tails for memory erasure tests 0.804
And I find very few patterns in the guest's memory 4.193 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.367
Then patterns cover at least 99% of the test FS size in the guest's memory 4.934 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.736
Then I find very few patterns in the guest's memory after 3 seconds 7.550 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 0.900
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.388
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 10.546
And I prepare Tails for memory erasure tests 0.836
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.807
Then I find very few patterns in the guest's memory 4.415 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.062
Then patterns cover at least 75% of the test FS size in the guest's memory 4.680 
Pattern coverage: 88.437% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.319
Then I find very few patterns in the guest's memory after 3 seconds 7.248 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 0.373
And I read the content of the test FS 2.832
Then patterns cover at least 99% of the test FS size in the guest's memory 4.689 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.470
Then I find very few patterns in the guest's memory after 3 seconds 7.105 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 1.228
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:26.207
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 9.892
And I prepare Tails for memory erasure tests 0.840
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.231
Then I find very few patterns in the guest's memory 2.821 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.780
Then patterns cover at least 99% of the test FS size in the guest's memory 3.444 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.099
Then I find very few patterns in the guest's memory after 3 seconds 6.496 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 5.847
And I read the content of the test FS 1.161
Then patterns cover at least 99% of the test FS size in the guest's memory 3.813 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.585
Then I find very few patterns in the guest's memory after 3 seconds 6.192 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.099
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.744
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 9.321
And I prepare Tails for memory erasure tests 0.469
When I fill a 128 MiB file with a known pattern on the root filesystem 18.245
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.179
Then patterns cover at least 128 MiB in the guest's memory 3.267 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.023
Then I find very few patterns in the guest's memory after 20 seconds 21.237 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.650
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:27.176
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:37.242
And I prepare Tails for memory erasure tests 0.428
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.103
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.385 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:330 3.580
After features/support/hooks.rb:100 0.016