Project Number Date
test_Tails_ISO_stable 5308 02 Dec 2024, 12:33

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 11:34.381 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
19.387
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.046
And I prepare Tails for memory erasure tests 0.430
When I start a process allocating 128 MiB of memory with a known pattern 1.205
Then patterns cover at least 128 MiB in the guest's memory 3.621 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.709
Then I find very few patterns in the guest's memory after 3 seconds 5.375 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.954
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.952
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.170
And I prepare Tails for memory erasure tests 0.491
And I find very few patterns in the guest's memory 2.888 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.937
Then patterns cover at least 99% of the test FS size in the guest's memory 3.095 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.456
Then I find very few patterns in the guest's memory after 3 seconds 5.911 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:326 0.741
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.549
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.171
And I prepare Tails for memory erasure tests 0.467
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.120
Then I find very few patterns in the guest's memory 2.964 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 6.106
Then patterns cover at least 75% of the test FS size in the guest's memory 4.366 
Pattern coverage: 84.531% (107 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.231
Then I find very few patterns in the guest's memory after 3 seconds 6.222 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.327
And I read the content of the test FS 0.566
Then patterns cover at least 99% of the test FS size in the guest's memory 4.074 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.401
Then I find very few patterns in the guest's memory after 3 seconds 6.527 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 0.769
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.447
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.229
And I prepare Tails for memory erasure tests 0.406
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.711
Then I find very few patterns in the guest's memory 3.081 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.167
Then patterns cover at least 99% of the test FS size in the guest's memory 3.426 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.549
Then I find very few patterns in the guest's memory after 3 seconds 5.956 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 5.226
And I read the content of the test FS 0.924
Then patterns cover at least 99% of the test FS size in the guest's memory 3.498 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.953
Then I find very few patterns in the guest's memory after 3 seconds 5.314 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 0.821
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.182
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.874
And I prepare Tails for memory erasure tests 0.522
When I fill a 128 MiB file with a known pattern on the root filesystem 18.455
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.122
Then patterns cover at least 128 MiB in the guest's memory 2.483 
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 20.710 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 3.542
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:49.863
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 7:4.802
And I prepare Tails for memory erasure tests 0.580
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.321
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.145 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.551
After features/support/hooks.rb:100 0.030