Project Number Date
test_Tails_ISO_stable 5100 13 Sep 2024, 14:07

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 11:50.292 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
20.525
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.959
And I prepare Tails for memory erasure tests 0.497
When I start a process allocating 128 MiB of memory with a known pattern 1.223
Then patterns cover at least 128 MiB in the guest's memory 3.281 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.773
Then I find very few patterns in the guest's memory after 3 seconds 5.790 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 0.856
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.685
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.302
And I prepare Tails for memory erasure tests 0.571
And I find very few patterns in the guest's memory 4.272 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.277
Then patterns cover at least 99% of the test FS size in the guest's memory 4.139 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.526
Then I find very few patterns in the guest's memory after 3 seconds 6.596 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 0.890
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.138
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.168
And I prepare Tails for memory erasure tests 0.432
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.503
Then I find very few patterns in the guest's memory 5.796 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.487
Then patterns cover at least 75% of the test FS size in the guest's memory 5.170 
Pattern coverage: 85.988% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.292
Then I find very few patterns in the guest's memory after 3 seconds 6.541 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 0.231
And I read the content of the test FS 0.645
Then patterns cover at least 99% of the test FS size in the guest's memory 4.110 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.779
Then I find very few patterns in the guest's memory after 3 seconds 5.978 
Pattern coverage: 0.001% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 1.042
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:33.125
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.227
And I prepare Tails for memory erasure tests 0.444
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.353
Then I find very few patterns in the guest's memory 3.357 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.698
Then patterns cover at least 99% of the test FS size in the guest's memory 3.549 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.802
Then I find very few patterns in the guest's memory after 3 seconds 6.389 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 13.172
And I read the content of the test FS 0.412
Then patterns cover at least 99% of the test FS size in the guest's memory 3.601 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 4.060
Then I find very few patterns in the guest's memory after 3 seconds 6.057 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 1.047
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.888
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.073
And I prepare Tails for memory erasure tests 0.495
When I fill a 128 MiB file with a known pattern on the root filesystem 16.782
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.157
Then patterns cover at least 128 MiB in the guest's memory 3.518 
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 20.848 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 3.518
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:42.928
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:54.729
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.528
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.206 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:326 3.609
After features/support/hooks.rb:100 0.011