Project Number Date
test_Tails_ISO_devel 3443 01 Jul 2024, 13:56

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 11:34.811 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
21.743
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.387
And I prepare Tails for memory erasure tests 0.603
When I start a process allocating 128 MiB of memory with a known pattern 2.424
Then patterns cover at least 128 MiB in the guest's memory 4.202 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.573
Then I find very few patterns in the guest's memory 4.551 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 5.490
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.580
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.180
And I prepare Tails for memory erasure tests 0.598
And I find very few patterns in the guest's memory 4.651 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.042
Then patterns cover at least 99% of the test FS size in the guest's memory 4.286 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 3.916
Then I find very few patterns in the guest's memory 4.903 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:326 3.528
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.547
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.698
And I prepare Tails for memory erasure tests 0.605
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.189
Then I find very few patterns in the guest's memory 4.993 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.881
Then patterns cover at least 86% of the test FS size in the guest's memory 4.445 
Pattern coverage: 88.578% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.459
Then I find very few patterns in the guest's memory 4.818 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 0.711
And I read the content of the test FS 0.804
Then patterns cover at least 99% of the test FS size in the guest's memory 4.041 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.561
Then I find very few patterns in the guest's memory 4.336 
Pattern coverage: 0.001% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 0.909
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.913
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.249
And I prepare Tails for memory erasure tests 0.602
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.617
Then I find very few patterns in the guest's memory 4.108 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.391
Then patterns cover at least 99% of the test FS size in the guest's memory 3.945 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.806
Then I find very few patterns in the guest's memory 4.255 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 5.667
And I read the content of the test FS 0.555
Then patterns cover at least 99% of the test FS size in the guest's memory 3.983 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.759
Then I find very few patterns in the guest's memory 3.969 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 1.710
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.198
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.723
And I prepare Tails for memory erasure tests 0.601
When I fill a 128 MiB file with a known pattern on the root filesystem 14.719
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 6.103
Then patterns cover at least 128 MiB in the guest's memory 3.152 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
And I wait 20 seconds 20.009 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.873 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.576
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:41.828
Before features/support/hooks.rb:269 0.007
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:56.601
And I prepare Tails for memory erasure tests 0.490
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.096
When I trigger shutdown 0.011
And I wait 20 seconds 20.018 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.610 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 3.500
After features/support/hooks.rb:100 0.011