Project Number Date
test_Tails_ISO_devel 3607 09 Dec 2024, 12:39

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 11:53.128 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
20.979
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.276
And I prepare Tails for memory erasure tests 0.567
When I start a process allocating 128 MiB of memory with a known pattern 2.347
Then patterns cover at least 128 MiB in the guest's memory 3.509 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.277
Then I find very few patterns in the guest's memory after 3 seconds 6.000 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 0.886
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.341
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.638
And I prepare Tails for memory erasure tests 0.608
And I find very few patterns in the guest's memory 2.957 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.231
Then patterns cover at least 99% of the test FS size in the guest's memory 3.201 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.988
Then I find very few patterns in the guest's memory after 3 seconds 5.716 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 0.831
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:3.374
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.234
And I prepare Tails for memory erasure tests 0.508
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.308
Then I find very few patterns in the guest's memory 3.321 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.189
Then patterns cover at least 75% of the test FS size in the guest's memory 4.914 
Pattern coverage: 87.415% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.800
Then I find very few patterns in the guest's memory after 3 seconds 12.337 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 0.271
And I read the content of the test FS 0.670
Then patterns cover at least 99% of the test FS size in the guest's memory 9.019 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.606
Then I find very few patterns in the guest's memory after 3 seconds 7.192 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 1.290
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:34.460
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.220
And I prepare Tails for memory erasure tests 0.731
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.864
Then I find very few patterns in the guest's memory 2.952 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.031
Then patterns cover at least 99% of the test FS size in the guest's memory 2.690 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.456
Then I find very few patterns in the guest's memory after 3 seconds 5.464 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 22.250
And I read the content of the test FS 0.396
Then patterns cover at least 99% of the test FS size in the guest's memory 2.872 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.019
Then I find very few patterns in the guest's memory after 3 seconds 5.510 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 0.889
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.957
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.563
And I prepare Tails for memory erasure tests 0.637
When I fill a 128 MiB file with a known pattern on the root filesystem 15.592
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.714
Then patterns cover at least 128 MiB in the guest's memory 2.575 
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 20.859 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 3.501
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:39.015
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 6:54.345
And I prepare Tails for memory erasure tests 0.722
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.038
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.897 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 3.594
After features/support/hooks.rb:100 0.026