Project Number Date
test_Tails_ISO_devel 3522 27 Sep 2024, 12:37

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 11:0.673 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
25.199
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.184
And I prepare Tails for memory erasure tests 0.479
When I start a process allocating 128 MiB of memory with a known pattern 3.444
Then patterns cover at least 128 MiB in the guest's memory 4.510 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.946
Then I find very few patterns in the guest's memory after 3 seconds 6.633 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
After features/support/hooks.rb:326 1.105
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.404
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.376
And I prepare Tails for memory erasure tests 0.451
And I find very few patterns in the guest's memory 3.128 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.563
Then patterns cover at least 99% of the test FS size in the guest's memory 3.274 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.299
Then I find very few patterns in the guest's memory after 3 seconds 6.308 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:326 1.224
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.012
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.128
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.016
Then I find very few patterns in the guest's memory 3.796 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.002
Then patterns cover at least 75% of the test FS size in the guest's memory 3.809 
Pattern coverage: 91.468% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.659
Then I find very few patterns in the guest's memory after 3 seconds 5.862 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
# read cache
When I mount the USB drive again 0.414
And I read the content of the test FS 0.900
Then patterns cover at least 99% of the test FS size in the guest's memory 3.568 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.745
Then I find very few patterns in the guest's memory after 3 seconds 6.684 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:326 0.910
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.224
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.429
And I prepare Tails for memory erasure tests 0.470
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.509
Then I find very few patterns in the guest's memory 2.994 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.799
Then patterns cover at least 99% of the test FS size in the guest's memory 2.697 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.353
Then I find very few patterns in the guest's memory after 3 seconds 5.548 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
# read cache
When I mount the USB drive again 5.593
And I read the content of the test FS 0.537
Then patterns cover at least 99% of the test FS size in the guest's memory 3.532 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.746
Then I find very few patterns in the guest's memory after 3 seconds 6.010 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:326 0.832
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.939
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 8.415
And I prepare Tails for memory erasure tests 0.419
When I fill a 128 MiB file with a known pattern on the root filesystem 14.624
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.880
Then patterns cover at least 128 MiB in the guest's memory 2.865 
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 20.719 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:326 3.503
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:15.893
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 6:32.726
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.516
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.205 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 3.485
After features/support/hooks.rb:100 0.012