Project Number Date
test_Tails_ISO_stable 4710 11 Mar 2024, 19:37

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 10:25.887 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
17.875
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.136
And I prepare Tails for memory erasure tests 0.532
When I start a process allocating 128 MiB of memory with a known pattern 1.177
Then patterns cover at least 128 MiB in the guest's memory 3.719 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.273
Then I find very few patterns in the guest's memory 4.037 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:291 1.179
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
22.688
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.500
And I prepare Tails for memory erasure tests 0.457
And I find very few patterns in the guest's memory 3.659 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.620
Then patterns cover at least 99% of the test FS size in the guest's memory 3.495 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.432
Then I find very few patterns in the guest's memory 4.521 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:291 1.199
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
49.064
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.223
And I prepare Tails for memory erasure tests 0.518
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.789
Then I find very few patterns in the guest's memory 6.386 
Pattern coverage: 0.000% (0 MiB out of 926 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.158
Then patterns cover at least 86% of the test FS size in the guest's memory 7.049 
Pattern coverage: 93.547% (119 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.017
Then I find very few patterns in the guest's memory 4.442 
Pattern coverage: 0.000% (0 MiB out of 926 MiB reference memory)
# read cache
When I mount the USB drive again 0.231
And I read the content of the test FS 1.873
Then patterns cover at least 99% of the test FS size in the guest's memory 3.727 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.472
Then I find very few patterns in the guest's memory 5.173 
Pattern coverage: 0.000% (0 MiB out of 926 MiB reference memory)
After features/support/hooks.rb:291 1.055
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:11.362
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.686
And I prepare Tails for memory erasure tests 0.465
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.418
Then I find very few patterns in the guest's memory 4.253 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.606
Then patterns cover at least 99% of the test FS size in the guest's memory 3.142 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.882
Then I find very few patterns in the guest's memory 4.067 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
# read cache
When I mount the USB drive again 3.751
And I read the content of the test FS 2.621
Then patterns cover at least 99% of the test FS size in the guest's memory 3.457 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.892
Then I find very few patterns in the guest's memory 4.117 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
After features/support/hooks.rb:291 0.718
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
47.645
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.423
And I prepare Tails for memory erasure tests 0.467
When I fill a 128 MiB file with a known pattern on the root filesystem 12.048
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.551
Then patterns cover at least 128 MiB in the guest's memory 3.099 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.042
And I wait 20 seconds 20.019 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.991 
Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)
After features/support/hooks.rb:291 3.575
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:57.250
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 6:11.485
And I prepare Tails for memory erasure tests 0.411
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.192
When I trigger shutdown 0.014
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.126 
Pattern coverage: 0.000% (0 MiB out of 952 MiB reference memory)
After features/support/hooks.rb:291 3.509
After features/support/hooks.rb:75 0.011