Project Number Date
test_Tails_ISO_stable 5043 24 Aug 2024, 12:22

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 11:14.750 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
23.564
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.371
And I prepare Tails for memory erasure tests 0.462
When I start a process allocating 128 MiB of memory with a known pattern 3.446
Then patterns cover at least 128 MiB in the guest's memory 3.866 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.142
Then I find very few patterns in the guest's memory after 3 seconds 6.275 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 1.002
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.586
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.305
And I prepare Tails for memory erasure tests 0.447
And I find very few patterns in the guest's memory 2.783 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.401
Then patterns cover at least 99% of the test FS size in the guest's memory 3.896 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.051
Then I find very few patterns in the guest's memory after 3 seconds 6.700 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 1.218
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.784
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.266
And I prepare Tails for memory erasure tests 0.382
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.123
Then I find very few patterns in the guest's memory 3.507 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.450
Then patterns cover at least 75% of the test FS size in the guest's memory 4.818 
Pattern coverage: 88.416% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.617
Then I find very few patterns in the guest's memory after 3 seconds 6.102 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 0.224
And I read the content of the test FS 1.322
Then patterns cover at least 99% of the test FS size in the guest's memory 3.248 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.706
Then I find very few patterns in the guest's memory after 3 seconds 6.014 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 0.904
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.691
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.319
And I prepare Tails for memory erasure tests 0.446
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.450
Then I find very few patterns in the guest's memory 3.102 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.880
Then patterns cover at least 99% of the test FS size in the guest's memory 3.846 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.129
Then I find very few patterns in the guest's memory after 3 seconds 6.024 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 5.264
And I read the content of the test FS 0.992
Then patterns cover at least 99% of the test FS size in the guest's memory 3.638 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.753
Then I find very few patterns in the guest's memory after 3 seconds 5.842 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 0.678
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.618
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.299
And I prepare Tails for memory erasure tests 0.395
When I fill a 128 MiB file with a known pattern on the root filesystem 15.409
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.059
Then patterns cover at least 128 MiB in the guest's memory 2.628 
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 20.809 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 3.600
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:30.504
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:47.625
And I prepare Tails for memory erasure tests 0.404
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.137
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.325 
Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)
After features/support/hooks.rb:326 3.494
After features/support/hooks.rb:100 0.013