Project Number Date
test_Tails_ISO_stable 5440 03 Feb 2025, 21:20

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 11:17.634 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
22.043
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.095
And I prepare Tails for memory erasure tests 0.450
When I start a process allocating 128 MiB of memory with a known pattern 1.194
Then patterns cover at least 128 MiB in the guest's memory 3.633 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.288
Then I find very few patterns in the guest's memory after 5 seconds 8.381 
Pattern coverage: 0.000% (0 MiB out of 908 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
25.373
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.622
And I prepare Tails for memory erasure tests 0.408
And I find very few patterns in the guest's memory 3.368 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.223
Then patterns cover at least 99% of the test FS size in the guest's memory 3.539 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.524
Then I find very few patterns in the guest's memory after 3 seconds 6.686 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.955
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.465
Before features/support/hooks.rb:269 0.010
Given I have started Tails from DVD without network and logged in 8.399
And I prepare Tails for memory erasure tests 0.419
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.927
Then I find very few patterns in the guest's memory 3.569 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.386
Then patterns cover at least 75% of the test FS size in the guest's memory 4.509 
Pattern coverage: 84.724% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.926
Then I find very few patterns in the guest's memory after 3 seconds 7.282 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# read cache
When I mount the USB drive again 0.244
And I read the content of the test FS 2.086
Then patterns cover at least 99% of the test FS size in the guest's memory 3.690 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.524
Then I find very few patterns in the guest's memory after 3 seconds 6.498 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 0.823
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.594
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.266
And I prepare Tails for memory erasure tests 0.432
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.524
Then I find very few patterns in the guest's memory 2.874 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.122
Then patterns cover at least 99% of the test FS size in the guest's memory 3.285 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.323
Then I find very few patterns in the guest's memory after 3 seconds 5.756 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 4.977
And I read the content of the test FS 0.476
Then patterns cover at least 99% of the test FS size in the guest's memory 3.063 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.629
Then I find very few patterns in the guest's memory after 3 seconds 5.860 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.843
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.062
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.128
And I prepare Tails for memory erasure tests 0.386
When I fill a 128 MiB file with a known pattern on the root filesystem 15.595
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.589
Then patterns cover at least 128 MiB in the guest's memory 2.609 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.739 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 3.485
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:35.095
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 6:51.276
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 22.197
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.190 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 3.497
After features/support/hooks.rb:100 0.013