Project Number Date
test_Tails_ISO_stable 5157 08 Oct 2024, 08:53

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 11:51.519 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
23.010
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.492
And I prepare Tails for memory erasure tests 0.413
When I start a process allocating 128 MiB of memory with a known pattern 2.357
Then patterns cover at least 128 MiB in the guest's memory 3.820 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.917
Then I find very few patterns in the guest's memory after 3 seconds 6.008 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 1.454
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.076
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.209
And I prepare Tails for memory erasure tests 0.535
And I find very few patterns in the guest's memory 2.928 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.319
Then patterns cover at least 99% of the test FS size in the guest's memory 3.321 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.762
Then I find very few patterns in the guest's memory after 3 seconds 6.000 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 1.074
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.478
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.169
And I prepare Tails for memory erasure tests 0.433
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.065
Then I find very few patterns in the guest's memory 3.579 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.219
Then patterns cover at least 75% of the test FS size in the guest's memory 4.490 
Pattern coverage: 84.381% (107 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.431
Then I find very few patterns in the guest's memory after 3 seconds 6.504 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.264
And I read the content of the test FS 1.027
Then patterns cover at least 99% of the test FS size in the guest's memory 4.156 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.637
Then I find very few patterns in the guest's memory after 3 seconds 6.499 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 1.291
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.983
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.148
And I prepare Tails for memory erasure tests 0.643
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.904
Then I find very few patterns in the guest's memory 2.713 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.468
Then patterns cover at least 99% of the test FS size in the guest's memory 3.094 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.850
Then I find very few patterns in the guest's memory after 3 seconds 5.655 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 5.209
And I read the content of the test FS 0.502
Then patterns cover at least 99% of the test FS size in the guest's memory 3.121 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.725
Then I find very few patterns in the guest's memory after 3 seconds 5.946 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.858
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.040
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.199
And I prepare Tails for memory erasure tests 0.550
When I fill a 128 MiB file with a known pattern on the root filesystem 16.339
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.802
Then patterns cover at least 128 MiB in the guest's memory 3.289 
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 20.846 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:326 3.485
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:3.929
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 7:13.740
And I prepare Tails for memory erasure tests 0.562
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.264
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.342 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 3.530
After features/support/hooks.rb:100 0.013