Project Number Date
test_Tails_ISO_stable 5465 17 Feb 2025, 16:49

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 11:44.434 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
23.254
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.927
And I prepare Tails for memory erasure tests 0.430
When I start a process allocating 128 MiB of memory with a known pattern 1.213
Then patterns cover at least 128 MiB in the guest's memory 4.920 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.272
Then I find very few patterns in the guest's memory after 5 seconds 8.489 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 0.803
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.094
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.312
And I prepare Tails for memory erasure tests 0.471
And I find very few patterns in the guest's memory 5.324 
Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.615
Then patterns cover at least 99% of the test FS size in the guest's memory 3.466 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.509
Then I find very few patterns in the guest's memory after 3 seconds 7.395 
Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)
After features/support/hooks.rb:326 0.780
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.237
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.153
And I prepare Tails for memory erasure tests 0.474
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.234
Then I find very few patterns in the guest's memory 3.161 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.195
Then patterns cover at least 75% of the test FS size in the guest's memory 4.001 
Pattern coverage: 84.969% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.456
Then I find very few patterns in the guest's memory after 3 seconds 7.071 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
# read cache
When I mount the USB drive again 0.297
And I read the content of the test FS 0.679
Then patterns cover at least 99% of the test FS size in the guest's memory 3.742 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.501
Then I find very few patterns in the guest's memory after 3 seconds 6.266 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
After features/support/hooks.rb:326 0.815
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.594
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.072
And I prepare Tails for memory erasure tests 0.390
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.552
Then I find very few patterns in the guest's memory 3.323 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.819
Then patterns cover at least 99% of the test FS size in the guest's memory 3.288 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.934
Then I find very few patterns in the guest's memory after 3 seconds 5.822 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
# read cache
When I mount the USB drive again 5.089
And I read the content of the test FS 0.785
Then patterns cover at least 99% of the test FS size in the guest's memory 2.937 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.033
Then I find very few patterns in the guest's memory after 3 seconds 5.546 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
After features/support/hooks.rb:326 1.555
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.302
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.193
And I prepare Tails for memory erasure tests 0.445
When I fill a 128 MiB file with a known pattern on the root filesystem 16.340
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.864
Then patterns cover at least 128 MiB in the guest's memory 2.607 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.833 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:326 3.499
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:57.951
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:8.083
And I prepare Tails for memory erasure tests 1.201
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.408
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.244 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 3.511
After features/support/hooks.rb:100 0.012