Project Number Date
test_Tails_ISO_stable 5204 21 Oct 2024, 12:23

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 11:6.859 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
24.151
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.219
And I prepare Tails for memory erasure tests 0.731
When I start a process allocating 128 MiB of memory with a known pattern 2.468
Then patterns cover at least 128 MiB in the guest's memory 4.662 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.715
Then I find very few patterns in the guest's memory after 3 seconds 6.353 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 1.117
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.271
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.265
And I prepare Tails for memory erasure tests 0.612
And I find very few patterns in the guest's memory 3.466 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.012
Then patterns cover at least 99% of the test FS size in the guest's memory 3.760 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.042
Then I find very few patterns in the guest's memory after 3 seconds 6.112 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 1.874
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.066
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.071
And I prepare Tails for memory erasure tests 0.513
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.004
Then I find very few patterns in the guest's memory 2.930 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.781
Then patterns cover at least 75% of the test FS size in the guest's memory 4.435 
Pattern coverage: 86.830% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.708
Then I find very few patterns in the guest's memory after 3 seconds 6.830 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# read cache
When I mount the USB drive again 0.385
And I read the content of the test FS 0.680
Then patterns cover at least 99% of the test FS size in the guest's memory 4.463 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.585
Then I find very few patterns in the guest's memory after 3 seconds 7.674 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 1.135
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.773
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.030
And I prepare Tails for memory erasure tests 0.730
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.248
Then I find very few patterns in the guest's memory 2.664 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.215
Then patterns cover at least 99% of the test FS size in the guest's memory 3.380 
Pattern coverage: 106.113% (97 MiB out of 91 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 5.914 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 5.817
And I read the content of the test FS 0.613
Then patterns cover at least 99% of the test FS size in the guest's memory 3.634 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.962
Then I find very few patterns in the guest's memory after 3 seconds 5.852 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 0.891
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.357
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.656
And I prepare Tails for memory erasure tests 0.524
When I fill a 128 MiB file with a known pattern on the root filesystem 15.551
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.672
Then patterns cover at least 128 MiB in the guest's memory 3.112 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.825 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.487
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:14.240
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 6:31.315
And I prepare Tails for memory erasure tests 0.572
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.154
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.182 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 3.507
After features/support/hooks.rb:100 0.010