Project Number Date
test_Tails_ISO_stable 4975 27 Jul 2024, 12:24

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 12:25.376 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
22.856
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.530
And I prepare Tails for memory erasure tests 0.421
When I start a process allocating 128 MiB of memory with a known pattern 5.465
Then patterns cover at least 128 MiB in the guest's memory 3.784 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.312
Then I find very few patterns in the guest's memory 4.342 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:326 1.024
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.172
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.606
And I prepare Tails for memory erasure tests 0.418
And I find very few patterns in the guest's memory 4.782 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.735
Then patterns cover at least 99% of the test FS size in the guest's memory 4.261 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.727
Then I find very few patterns in the guest's memory 4.640 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:326 0.994
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.064
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.495
And I prepare Tails for memory erasure tests 0.504
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.510
Then I find very few patterns in the guest's memory 5.012 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.642
Then patterns cover at least 86% of the test FS size in the guest's memory 4.420 
Pattern coverage: 86.365% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 4.583
Then I find very few patterns in the guest's memory 4.885 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# read cache
When I mount the USB drive again 0.262
And I read the content of the test FS 0.599
Then patterns cover at least 99% of the test FS size in the guest's memory 4.240 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.940
Then I find very few patterns in the guest's memory 4.966 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 0.987
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.858
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.391
And I prepare Tails for memory erasure tests 0.485
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.814
Then I find very few patterns in the guest's memory 3.887 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.716
Then patterns cover at least 99% of the test FS size in the guest's memory 3.236 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.039
Then I find very few patterns in the guest's memory 3.653 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# read cache
When I mount the USB drive again 6.821
And I read the content of the test FS 0.645
Then patterns cover at least 99% of the test FS size in the guest's memory 4.432 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.090
Then I find very few patterns in the guest's memory 3.643 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 1.248
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.411
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.007
And I prepare Tails for memory erasure tests 0.402
When I fill a 128 MiB file with a known pattern on the root filesystem 17.713
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.656
Then patterns cover at least 128 MiB in the guest's memory 2.714 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
And I wait 20 seconds 20.008 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.893 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 3.534
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:34.013
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:46.478
And I prepare Tails for memory erasure tests 0.499
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.518
When I trigger shutdown 0.017
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.479 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 3.522
After features/support/hooks.rb:100 0.013