Project Number Date
test_Tails_ISO_20522-ocr-more 28 06 Jan 2025, 05:06

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 11:56.270 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
25.966
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.117
And I prepare Tails for memory erasure tests 0.434
When I start a process allocating 128 MiB of memory with a known pattern 5.916
Then patterns cover at least 128 MiB in the guest's memory 3.512 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.198
Then I find very few patterns in the guest's memory after 3 seconds 5.786 
Pattern coverage: 0.000% (0 MiB out of 676 MiB reference memory)
After features/support/hooks.rb:326 0.675
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.270
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.420
And I prepare Tails for memory erasure tests 0.453
And I find very few patterns in the guest's memory 3.453 
Pattern coverage: 0.000% (0 MiB out of 697 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.483
Then patterns cover at least 99% of the test FS size in the guest's memory 4.321 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.324
Then I find very few patterns in the guest's memory after 3 seconds 6.814 
Pattern coverage: 0.000% (0 MiB out of 697 MiB reference memory)
After features/support/hooks.rb:326 1.653
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:3.299
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.681
And I prepare Tails for memory erasure tests 0.474
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.346
Then I find very few patterns in the guest's memory 3.305 
Pattern coverage: 0.000% (0 MiB out of 691 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.895
Then patterns cover at least 75% of the test FS size in the guest's memory 3.305 
Pattern coverage: 82.449% (105 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.820
Then I find very few patterns in the guest's memory after 3 seconds 5.916 
Pattern coverage: 0.000% (0 MiB out of 691 MiB reference memory)
# read cache
When I mount the USB drive again 0.339
And I read the content of the test FS 1.877
Then patterns cover at least 99% of the test FS size in the guest's memory 11.363 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.669
Then I find very few patterns in the guest's memory after 3 seconds 9.303 
Pattern coverage: 0.000% (0 MiB out of 691 MiB reference memory)
After features/support/hooks.rb:326 0.732
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.082
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.461
And I prepare Tails for memory erasure tests 0.497
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.860
Then I find very few patterns in the guest's memory 2.414 
Pattern coverage: 0.000% (0 MiB out of 704 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.949
Then patterns cover at least 99% of the test FS size in the guest's memory 2.823 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.732
Then I find very few patterns in the guest's memory after 3 seconds 5.676 
Pattern coverage: 0.000% (0 MiB out of 704 MiB reference memory)
# read cache
When I mount the USB drive again 5.101
And I read the content of the test FS 0.481
Then patterns cover at least 99% of the test FS size in the guest's memory 3.114 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.991
Then I find very few patterns in the guest's memory after 3 seconds 5.978 
Pattern coverage: 0.000% (0 MiB out of 704 MiB reference memory)
After features/support/hooks.rb:326 0.917
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.943
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.245
And I prepare Tails for memory erasure tests 0.422
When I fill a 128 MiB file with a known pattern on the root filesystem 19.131
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.049
Then patterns cover at least 128 MiB in the guest's memory 3.274 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.805 
Pattern coverage: 0.000% (0 MiB out of 689 MiB reference memory)
After features/support/hooks.rb:326 3.532
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:51.709
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 7:6.503
And I prepare Tails for memory erasure tests 0.460
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.527
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.204 
Pattern coverage: 0.000% (0 MiB out of 752 MiB reference memory)
After features/support/hooks.rb:326 3.527
After features/support/hooks.rb:100 0.015