Project Number Date
test_Tails_ISO_stable 5456 13 Feb 2025, 13:00

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 11:38.580 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
24.007
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.173
And I prepare Tails for memory erasure tests 0.425
When I start a process allocating 128 MiB of memory with a known pattern 2.261
Then patterns cover at least 128 MiB in the guest's memory 3.415 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.869
Then I find very few patterns in the guest's memory after 5 seconds 7.862 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 0.858
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.141
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.391
And I prepare Tails for memory erasure tests 0.438
And I find very few patterns in the guest's memory 2.916 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.612
Then patterns cover at least 99% of the test FS size in the guest's memory 2.864 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.151
Then I find very few patterns in the guest's memory after 3 seconds 5.766 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 0.876
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.297
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.219
And I prepare Tails for memory erasure tests 0.441
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.140
Then I find very few patterns in the guest's memory 2.957 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.483
Then patterns cover at least 75% of the test FS size in the guest's memory 3.353 
Pattern coverage: 91.581% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 9.523
Then I find very few patterns in the guest's memory after 3 seconds 5.507 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 0.564
And I read the content of the test FS 0.668
Then patterns cover at least 99% of the test FS size in the guest's memory 3.027 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.447
Then I find very few patterns in the guest's memory after 3 seconds 5.963 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 0.873
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.630
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.893
And I prepare Tails for memory erasure tests 0.450
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.690
Then I find very few patterns in the guest's memory 2.605 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.856
Then patterns cover at least 99% of the test FS size in the guest's memory 2.657 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.961
Then I find very few patterns in the guest's memory after 3 seconds 5.345 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 6.710
And I read the content of the test FS 0.455
Then patterns cover at least 99% of the test FS size in the guest's memory 2.806 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.897
Then I find very few patterns in the guest's memory after 3 seconds 5.299 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.907
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.347
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 11.239
And I prepare Tails for memory erasure tests 0.410
When I fill a 128 MiB file with a known pattern on the root filesystem 13.269
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.958
Then patterns cover at least 128 MiB in the guest's memory 2.585 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.041
Then I find very few patterns in the guest's memory after 20 seconds 20.842 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:326 3.537
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:49.156
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:4.608
And I prepare Tails for memory erasure tests 0.457
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.779
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.297 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 3.561
After features/support/hooks.rb:100 0.015