Project Number Date
test_Tails_ISO_stable 5203 21 Oct 2024, 08:54

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 12:10.510 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
22.363
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.477
And I prepare Tails for memory erasure tests 0.414
When I start a process allocating 128 MiB of memory with a known pattern 1.196
Then patterns cover at least 128 MiB in the guest's memory 4.435 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.988
Then I find very few patterns in the guest's memory after 3 seconds 6.851 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.882
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.070
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.229
And I prepare Tails for memory erasure tests 0.412
And I find very few patterns in the guest's memory 3.850 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.888
Then patterns cover at least 99% of the test FS size in the guest's memory 4.173 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.793
Then I find very few patterns in the guest's memory after 3 seconds 8.721 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 0.903
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.238
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.715
And I prepare Tails for memory erasure tests 0.485
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.355
Then I find very few patterns in the guest's memory 4.657 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.539
Then patterns cover at least 75% of the test FS size in the guest's memory 4.398 
Pattern coverage: 89.322% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.478
Then I find very few patterns in the guest's memory after 3 seconds 6.951 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.317
And I read the content of the test FS 1.001
Then patterns cover at least 99% of the test FS size in the guest's memory 4.409 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.018
Then I find very few patterns in the guest's memory after 3 seconds 6.908 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 1.756
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:23.817
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.483
And I prepare Tails for memory erasure tests 0.473
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.490
Then I find very few patterns in the guest's memory 3.441 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.316
Then patterns cover at least 99% of the test FS size in the guest's memory 4.220 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.346
Then I find very few patterns in the guest's memory after 3 seconds 6.290 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 5.835
And I read the content of the test FS 0.478
Then patterns cover at least 99% of the test FS size in the guest's memory 3.486 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.846
Then I find very few patterns in the guest's memory after 3 seconds 6.107 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 1.235
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.940
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.370
And I prepare Tails for memory erasure tests 0.400
When I fill a 128 MiB file with a known pattern on the root filesystem 18.258
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.755
Then patterns cover at least 128 MiB in the guest's memory 3.248 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 20.887 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 3.508
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:9.079
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 7:24.302
And I prepare Tails for memory erasure tests 0.987
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.438
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.335 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.527
After features/support/hooks.rb:100 0.013