Project Number Date
test_Tails_ISO_devel 3333 23 Mar 2024, 12:12

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 10:21.242 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
20.918
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.778
And I prepare Tails for memory erasure tests 0.402
When I start a process allocating 128 MiB of memory with a known pattern 1.360
Then patterns cover at least 128 MiB in the guest's memory 4.287 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.254
Then I find very few patterns in the guest's memory 4.835 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:291 1.688
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
24.900
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.369
And I prepare Tails for memory erasure tests 0.506
And I find very few patterns in the guest's memory 5.243 
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 1.786
Then patterns cover at least 99% of the test FS size in the guest's memory 4.132 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.511
Then I find very few patterns in the guest's memory 4.352 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:291 0.726
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
46.906
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.135
And I prepare Tails for memory erasure tests 0.367
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.780
Then I find very few patterns in the guest's memory 4.713 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 6.904
Then patterns cover at least 86% of the test FS size in the guest's memory 4.022 
Pattern coverage: 89.313% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.051
Then I find very few patterns in the guest's memory 4.110 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 0.409
And I read the content of the test FS 0.647
Then patterns cover at least 99% of the test FS size in the guest's memory 4.026 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.466
Then I find very few patterns in the guest's memory 4.270 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:291 0.828
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:15.190
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.000
And I prepare Tails for memory erasure tests 0.404
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.901
Then I find very few patterns in the guest's memory 4.023 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.615
Then patterns cover at least 99% of the test FS size in the guest's memory 5.265 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.101
Then I find very few patterns in the guest's memory 6.502 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 3.666
And I read the content of the test FS 2.181
Then patterns cover at least 99% of the test FS size in the guest's memory 4.739 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.748
Then I find very few patterns in the guest's memory 4.040 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:291 0.933
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
53.688
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.403
And I prepare Tails for memory erasure tests 0.446
When I fill a 128 MiB file with a known pattern on the root filesystem 16.306
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.331
Then patterns cover at least 128 MiB in the guest's memory 3.314 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
And I wait 20 seconds 20.007 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.864 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:291 3.518
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:39.638
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:55.355
And I prepare Tails for memory erasure tests 0.400
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.419
When I trigger shutdown 0.031
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.411 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:291 3.569
After features/support/hooks.rb:75 0.011