Project Number Date
test_Tails_ISO_stable 5050 27 Aug 2024, 12:16

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 10:50.862 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
22.345
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.108
And I prepare Tails for memory erasure tests 0.385
When I start a process allocating 128 MiB of memory with a known pattern 2.267
Then patterns cover at least 128 MiB in the guest's memory 3.780 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.645
Then I find very few patterns in the guest's memory after 3 seconds 6.157 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 0.773
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.946
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.018
And I prepare Tails for memory erasure tests 0.430
And I find very few patterns in the guest's memory 3.143 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.933
Then patterns cover at least 99% of the test FS size in the guest's memory 3.445 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.882
Then I find very few patterns in the guest's memory after 3 seconds 6.092 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 0.875
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.669
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.013
And I prepare Tails for memory erasure tests 0.378
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.165
Then I find very few patterns in the guest's memory 3.005 
Pattern coverage: 0.000% (0 MiB out of 854 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.729
Then patterns cover at least 75% of the test FS size in the guest's memory 3.778 
Pattern coverage: 88.609% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.303
Then I find very few patterns in the guest's memory after 3 seconds 6.594 
Pattern coverage: 0.000% (0 MiB out of 854 MiB reference memory)
# read cache
When I mount the USB drive again 0.242
And I read the content of the test FS 0.539
Then patterns cover at least 99% of the test FS size in the guest's memory 3.592 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.477
Then I find very few patterns in the guest's memory after 3 seconds 6.849 
Pattern coverage: 0.000% (0 MiB out of 854 MiB reference memory)
After features/support/hooks.rb:326 1.827
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.252
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.003
And I prepare Tails for memory erasure tests 0.379
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.902
Then I find very few patterns in the guest's memory 2.699 
Pattern coverage: 0.000% (0 MiB out of 853 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.658
Then patterns cover at least 99% of the test FS size in the guest's memory 3.130 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.861
Then I find very few patterns in the guest's memory after 3 seconds 5.564 
Pattern coverage: 0.000% (0 MiB out of 853 MiB reference memory)
# read cache
When I mount the USB drive again 5.520
And I read the content of the test FS 0.443
Then patterns cover at least 99% of the test FS size in the guest's memory 2.931 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.654
Then I find very few patterns in the guest's memory after 3 seconds 5.503 
Pattern coverage: 0.000% (0 MiB out of 853 MiB reference memory)
After features/support/hooks.rb:326 0.922
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.191
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.942
And I prepare Tails for memory erasure tests 0.384
When I fill a 128 MiB file with a known pattern on the root filesystem 16.933
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.482
Then patterns cover at least 128 MiB in the guest's memory 2.644 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.789 
Pattern coverage: 0.000% (0 MiB out of 850 MiB reference memory)
After features/support/hooks.rb:326 3.524
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:12.456
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 6:26.662
And I prepare Tails for memory erasure tests 0.408
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.148
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.224 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.489
After features/support/hooks.rb:100 0.011