Project Number Date
test_Tails_ISO_stable 5240 31 Oct 2024, 13:10

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 12:36.197 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
28.820
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.651
And I prepare Tails for memory erasure tests 0.547
When I start a process allocating 128 MiB of memory with a known pattern 2.662
Then patterns cover at least 128 MiB in the guest's memory 5.436 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 5.027
Then I find very few patterns in the guest's memory after 3 seconds 6.495 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 1.376
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.371
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.830
And I prepare Tails for memory erasure tests 0.484
And I find very few patterns in the guest's memory 3.979 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.106
Then patterns cover at least 99% of the test FS size in the guest's memory 4.181 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.676
Then I find very few patterns in the guest's memory after 3 seconds 7.111 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 1.025
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.028
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.798
And I prepare Tails for memory erasure tests 0.487
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.338
Then I find very few patterns in the guest's memory 3.710 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.556
Then patterns cover at least 75% of the test FS size in the guest's memory 4.315 
Pattern coverage: 90.409% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.524
Then I find very few patterns in the guest's memory after 3 seconds 6.853 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 0.294
And I read the content of the test FS 0.545
Then patterns cover at least 99% of the test FS size in the guest's memory 4.169 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.630
Then I find very few patterns in the guest's memory after 3 seconds 6.804 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 0.802
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:25.732
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.174
And I prepare Tails for memory erasure tests 0.398
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.309
Then I find very few patterns in the guest's memory 3.303 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.835
Then patterns cover at least 99% of the test FS size in the guest's memory 3.747 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.003
Then I find very few patterns in the guest's memory after 3 seconds 6.214 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 5.899
And I read the content of the test FS 0.557
Then patterns cover at least 99% of the test FS size in the guest's memory 3.658 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.787
Then I find very few patterns in the guest's memory after 3 seconds 7.839 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 0.989
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.185
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.296
And I prepare Tails for memory erasure tests 0.437
When I fill a 128 MiB file with a known pattern on the root filesystem 18.768
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.587
Then patterns cover at least 128 MiB in the guest's memory 3.158 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.922 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 3.577
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:26.058
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 7:38.369
And I prepare Tails for memory erasure tests 0.447
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.803
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.419 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 3.577
After features/support/hooks.rb:100 0.012