Project Number Date
test_Tails_ISO_5501-plaintext-locale-greeter 49 07 Jul 2025, 10:14

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 11:11.188 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
22.835
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 8.544
And I prepare Tails for memory erasure tests 0.787
When I start a process allocating 128 MiB of memory with a known pattern 1.378
Then patterns cover at least 128 MiB in the guest's memory 4.021 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.577
Then I find very few patterns in the guest's memory after 5 seconds 7.526 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 0.903
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.994
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 8.833
And I prepare Tails for memory erasure tests 0.599
And I find very few patterns in the guest's memory 3.089 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.080
Then patterns cover at least 99% of the test FS size in the guest's memory 3.081 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.431
Then I find very few patterns in the guest's memory after 3 seconds 5.878 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:330 0.816
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.763
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 9.495
And I prepare Tails for memory erasure tests 0.361
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.199
Then I find very few patterns in the guest's memory 3.330 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.814
Then patterns cover at least 75% of the test FS size in the guest's memory 3.865 
Pattern coverage: 87.969% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.946
Then I find very few patterns in the guest's memory after 3 seconds 5.536 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 0.285
And I read the content of the test FS 0.694
Then patterns cover at least 99% of the test FS size in the guest's memory 3.026 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.451
Then I find very few patterns in the guest's memory after 3 seconds 5.755 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.827
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.955
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 8.083
And I prepare Tails for memory erasure tests 0.397
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.131
Then I find very few patterns in the guest's memory 2.297 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.761
Then patterns cover at least 99% of the test FS size in the guest's memory 2.735 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.712
Then I find very few patterns in the guest's memory after 3 seconds 5.501 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
# read cache
When I mount the USB drive again 4.374
And I read the content of the test FS 0.390
Then patterns cover at least 99% of the test FS size in the guest's memory 2.734 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.694
Then I find very few patterns in the guest's memory after 3 seconds 5.140 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:330 1.364
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.757
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 9.078
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the root filesystem 16.203
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.913
Then patterns cover at least 128 MiB in the guest's memory 2.349 
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 20.766 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.572
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:36.881
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:50.346
And I prepare Tails for memory erasure tests 0.487
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.755
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.279 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 3.486
After features/support/hooks.rb:100 0.011