Project Number Date
test_Tails_ISO_5501-plaintext-locale-greeter 8 29 May 2025, 09:28

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 11:21.831 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
25.025
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 7.886
And I prepare Tails for memory erasure tests 0.434
When I start a process allocating 128 MiB of memory with a known pattern 2.478
Then patterns cover at least 128 MiB in the guest's memory 3.531 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.285
Then I find very few patterns in the guest's memory after 5 seconds 10.408 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.621
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.655
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 7.887
And I prepare Tails for memory erasure tests 0.428
And I find very few patterns in the guest's memory 3.770 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.241
Then patterns cover at least 99% of the test FS size in the guest's memory 4.055 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.554
Then I find very few patterns in the guest's memory after 3 seconds 6.717 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 0.712
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.553
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 7.942
And I prepare Tails for memory erasure tests 0.405
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.096
Then I find very few patterns in the guest's memory 3.714 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.533
Then patterns cover at least 75% of the test FS size in the guest's memory 4.263 
Pattern coverage: 88.147% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.019
Then I find very few patterns in the guest's memory after 3 seconds 6.624 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.384
And I read the content of the test FS 0.657
Then patterns cover at least 99% of the test FS size in the guest's memory 4.023 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.344
Then I find very few patterns in the guest's memory after 3 seconds 6.542 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.640
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.157
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 7.977
And I prepare Tails for memory erasure tests 0.443
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.794
Then I find very few patterns in the guest's memory 3.078 
Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.655
Then patterns cover at least 99% of the test FS size in the guest's memory 3.444 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.962
Then I find very few patterns in the guest's memory after 3 seconds 5.941 
Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)
# read cache
When I mount the USB drive again 4.225
And I read the content of the test FS 0.392
Then patterns cover at least 99% of the test FS size in the guest's memory 3.641 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.635
Then I find very few patterns in the guest's memory after 3 seconds 5.964 
Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)
After features/support/hooks.rb:330 0.809
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.543
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 7.886
And I prepare Tails for memory erasure tests 0.460
When I fill a 128 MiB file with a known pattern on the root filesystem 19.908
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 5.142
Then patterns cover at least 128 MiB in the guest's memory 2.414 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.713 
Pattern coverage: 0.000% (0 MiB out of 857 MiB reference memory)
After features/support/hooks.rb:330 3.509
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:28.896
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 6:42.461
And I prepare Tails for memory erasure tests 0.422
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.781
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.213 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.532
After features/support/hooks.rb:100 0.012