Project Number Date
test_Tails_ISO_devel 3583 10 Nov 2024, 13:00

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 12:22.599 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
27.970
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.405
And I prepare Tails for memory erasure tests 0.403
When I start a process allocating 128 MiB of memory with a known pattern 2.500
Then patterns cover at least 128 MiB in the guest's memory 7.551 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.476
Then I find very few patterns in the guest's memory after 3 seconds 6.632 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 0.761
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
41.723
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 21.775
And I prepare Tails for memory erasure tests 0.453
And I find very few patterns in the guest's memory 3.669 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.171
Then patterns cover at least 99% of the test FS size in the guest's memory 4.214 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.258
Then I find very few patterns in the guest's memory after 3 seconds 7.179 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 0.959
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.302
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.271
And I prepare Tails for memory erasure tests 0.562
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.192
Then I find very few patterns in the guest's memory 3.812 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 6.595
Then patterns cover at least 75% of the test FS size in the guest's memory 4.668 
Pattern coverage: 92.338% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.696
Then I find very few patterns in the guest's memory after 3 seconds 6.627 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 0.269
And I read the content of the test FS 0.635
Then patterns cover at least 99% of the test FS size in the guest's memory 3.997 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.134
Then I find very few patterns in the guest's memory after 3 seconds 6.839 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 0.865
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.926
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.396
And I prepare Tails for memory erasure tests 0.425
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.047
Then I find very few patterns in the guest's memory 2.181 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.146
Then patterns cover at least 99% of the test FS size in the guest's memory 2.772 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.099
Then I find very few patterns in the guest's memory after 3 seconds 5.352 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 6.737
And I read the content of the test FS 0.902
Then patterns cover at least 99% of the test FS size in the guest's memory 3.426 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.202
Then I find very few patterns in the guest's memory after 3 seconds 6.235 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 0.869
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.526
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.773
And I prepare Tails for memory erasure tests 0.531
When I fill a 128 MiB file with a known pattern on the root filesystem 17.556
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.034
Then patterns cover at least 128 MiB in the guest's memory 3.868 
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 20.748 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:326 3.544
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:5.150
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 7:20.261
And I prepare Tails for memory erasure tests 0.476
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.053
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.345 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.584
After features/support/hooks.rb:100 0.010