Project Number Date
test_Tails_ISO_stable 5405 20 Jan 2025, 16:02

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 12:17.896 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
23.864
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.566
And I prepare Tails for memory erasure tests 0.440
When I start a process allocating 128 MiB of memory with a known pattern 2.405
Then patterns cover at least 128 MiB in the guest's memory 4.248 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.823
Then I find very few patterns in the guest's memory after 3 seconds 6.380 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 1.230
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.836
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.474
And I prepare Tails for memory erasure tests 0.512
And I find very few patterns in the guest's memory 3.558 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.614
Then patterns cover at least 99% of the test FS size in the guest's memory 4.507 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.025
Then I find very few patterns in the guest's memory after 3 seconds 7.143 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:326 2.435
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.510
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.936
And I prepare Tails for memory erasure tests 0.534
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.406
Then I find very few patterns in the guest's memory 3.736 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.130
Then patterns cover at least 75% of the test FS size in the guest's memory 4.726 
Pattern coverage: 89.389% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.350
Then I find very few patterns in the guest's memory after 3 seconds 7.005 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 0.284
And I read the content of the test FS 3.966
Then patterns cover at least 99% of the test FS size in the guest's memory 4.207 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.128
Then I find very few patterns in the guest's memory after 3 seconds 7.095 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 0.889
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.667
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.600
And I prepare Tails for memory erasure tests 0.609
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.805
Then I find very few patterns in the guest's memory 3.456 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.245
Then patterns cover at least 99% of the test FS size in the guest's memory 3.655 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.186
Then I find very few patterns in the guest's memory after 3 seconds 6.057 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 7.537
And I read the content of the test FS 1.546
Then patterns cover at least 99% of the test FS size in the guest's memory 3.780 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.932
Then I find very few patterns in the guest's memory after 3 seconds 6.253 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.925
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.260
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.540
And I prepare Tails for memory erasure tests 0.461
When I fill a 128 MiB file with a known pattern on the root filesystem 18.311
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.070
Then patterns cover at least 128 MiB in the guest's memory 2.878 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.028
Then I find very few patterns in the guest's memory after 20 seconds 20.968 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 3.612
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:12.756
Before features/support/hooks.rb:269 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:26.543
And I prepare Tails for memory erasure tests 0.529
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.399
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.271 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 3.527
After features/support/hooks.rb:100 0.012