Project Number Date
test_Tails_ISO_5501-plaintext-locale-greeter 44 02 Jul 2025, 10:56

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 12:25.348 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
26.840
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 9.439
And I prepare Tails for memory erasure tests 0.443
When I start a process allocating 128 MiB of memory with a known pattern 2.486
Then patterns cover at least 128 MiB in the guest's memory 5.297 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.081
Then I find very few patterns in the guest's memory after 5 seconds 8.091 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 1.262
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.685
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.843
And I prepare Tails for memory erasure tests 0.819
And I find very few patterns in the guest's memory 3.123 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.627
Then patterns cover at least 99% of the test FS size in the guest's memory 3.944 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.379
Then I find very few patterns in the guest's memory after 3 seconds 5.946 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 0.840
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.007
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 10.481
And I prepare Tails for memory erasure tests 0.603
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.139
Then I find very few patterns in the guest's memory 5.646 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.529
Then patterns cover at least 75% of the test FS size in the guest's memory 3.436 
Pattern coverage: 88.606% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.880
Then I find very few patterns in the guest's memory after 3 seconds 5.639 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 0.354
And I read the content of the test FS 0.665
Then patterns cover at least 99% of the test FS size in the guest's memory 6.185 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.434
Then I find very few patterns in the guest's memory after 3 seconds 6.010 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 0.735
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.209
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.283
And I prepare Tails for memory erasure tests 1.215
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.405
Then I find very few patterns in the guest's memory 2.857 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.783
Then patterns cover at least 99% of the test FS size in the guest's memory 2.960 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.126
Then I find very few patterns in the guest's memory after 3 seconds 5.763 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 6.814
And I read the content of the test FS 0.565
Then patterns cover at least 99% of the test FS size in the guest's memory 2.835 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.591
Then I find very few patterns in the guest's memory after 3 seconds 5.005 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 2.199
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.265
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 10.288
And I prepare Tails for memory erasure tests 0.695
When I fill a 128 MiB file with a known pattern on the root filesystem 16.110
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.319
Then patterns cover at least 128 MiB in the guest's memory 2.987 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.852 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 3.542
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:25.340
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:38.212
And I prepare Tails for memory erasure tests 0.464
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.501
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.148 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 3.548
After features/support/hooks.rb:100 0.012