Project Number Date
test_Tails_ISO_stable 5255 08 Nov 2024, 08:42

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 11:15.060 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
20.495
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.485
And I prepare Tails for memory erasure tests 0.416
When I start a process allocating 128 MiB of memory with a known pattern 2.354
Then patterns cover at least 128 MiB in the guest's memory 3.369 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.276
Then I find very few patterns in the guest's memory after 3 seconds 5.593 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 2.460
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.786
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 12.499
And I prepare Tails for memory erasure tests 0.495
And I find very few patterns in the guest's memory 2.993 
Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.024
Then patterns cover at least 99% of the test FS size in the guest's memory 3.258 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.720
Then I find very few patterns in the guest's memory after 3 seconds 5.793 
Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)
After features/support/hooks.rb:326 1.207
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.376
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.088
And I prepare Tails for memory erasure tests 0.383
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.021
Then I find very few patterns in the guest's memory 2.609 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.550
Then patterns cover at least 75% of the test FS size in the guest's memory 4.323 
Pattern coverage: 88.759% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.885
Then I find very few patterns in the guest's memory after 3 seconds 8.593 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 0.796
And I read the content of the test FS 0.470
Then patterns cover at least 99% of the test FS size in the guest's memory 3.898 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 7.069
Then I find very few patterns in the guest's memory after 3 seconds 6.686 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 1.250
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.588
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 10.826
And I prepare Tails for memory erasure tests 0.379
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.305
Then I find very few patterns in the guest's memory 2.445 
Pattern coverage: 0.000% (0 MiB out of 858 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.591
Then patterns cover at least 99% of the test FS size in the guest's memory 2.775 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.957
Then I find very few patterns in the guest's memory after 3 seconds 5.494 
Pattern coverage: 0.000% (0 MiB out of 858 MiB reference memory)
# read cache
When I mount the USB drive again 7.648
And I read the content of the test FS 0.387
Then patterns cover at least 99% of the test FS size in the guest's memory 3.342 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.502
Then I find very few patterns in the guest's memory after 3 seconds 5.931 
Pattern coverage: 0.000% (0 MiB out of 858 MiB reference memory)
After features/support/hooks.rb:326 0.954
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.505
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.194
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the root filesystem 18.586
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.947
Then patterns cover at least 128 MiB in the guest's memory 3.411 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.916 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 3.488
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:13.307
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 6:29.407
And I prepare Tails for memory erasure tests 0.465
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.185
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.237 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 3.479
After features/support/hooks.rb:100 0.010