Project Number Date
test_Tails_ISO_stable 4934 11 Jul 2024, 22:16

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 12:55.674 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
30.158
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.427
And I prepare Tails for memory erasure tests 0.526
When I start a process allocating 128 MiB of memory with a known pattern 1.504
Then patterns cover at least 128 MiB in the guest's memory 4.716 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 10.079
Then I find very few patterns in the guest's memory 4.903 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:326 1.201
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.547
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.677
And I prepare Tails for memory erasure tests 0.404
And I find very few patterns in the guest's memory 4.229 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.274
Then patterns cover at least 99% of the test FS size in the guest's memory 4.432 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.910
Then I find very few patterns in the guest's memory 5.618 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:326 1.124
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:4.131
Before features/support/hooks.rb:269 0.006
Given I have started Tails from DVD without network and logged in 11.261
And I prepare Tails for memory erasure tests 0.422
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.586
Then I find very few patterns in the guest's memory 7.248 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.900
Then patterns cover at least 86% of the test FS size in the guest's memory 8.947 
Pattern coverage: 93.550% (119 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.738
Then I find very few patterns in the guest's memory 4.638 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
# read cache
When I mount the USB drive again 0.498
And I read the content of the test FS 4.395
Then patterns cover at least 99% of the test FS size in the guest's memory 4.158 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.858
Then I find very few patterns in the guest's memory 4.476 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
After features/support/hooks.rb:326 1.211
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.246
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.612
And I prepare Tails for memory erasure tests 0.435
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.214
Then I find very few patterns in the guest's memory 4.744 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.705
Then patterns cover at least 99% of the test FS size in the guest's memory 3.231 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.891
Then I find very few patterns in the guest's memory 4.144 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# read cache
When I mount the USB drive again 7.056
And I read the content of the test FS 1.062
Then patterns cover at least 99% of the test FS size in the guest's memory 3.807 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.447
Then I find very few patterns in the guest's memory 3.893 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:326 1.076
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.513
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.256
And I prepare Tails for memory erasure tests 0.504
When I fill a 128 MiB file with a known pattern on the root filesystem 17.570
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 6.565
Then patterns cover at least 128 MiB in the guest's memory 3.600 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
And I wait 20 seconds 20.013 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.982 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 3.579
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:36.078
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 7:46.403
And I prepare Tails for memory erasure tests 0.533
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.000
When I trigger shutdown 0.018
And I wait 20 seconds 20.016 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 3.105 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.715
After features/support/hooks.rb:100 0.012