Project Number Date
test_Tails_ISO_stable 5309 02 Dec 2024, 15:45

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 11:35.667 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
27.484
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.220
And I prepare Tails for memory erasure tests 0.440
When I start a process allocating 128 MiB of memory with a known pattern 6.248
Then patterns cover at least 128 MiB in the guest's memory 4.734 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.048
Then I find very few patterns in the guest's memory after 3 seconds 6.793 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.823
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.998
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.103
And I prepare Tails for memory erasure tests 0.450
And I find very few patterns in the guest's memory 9.532 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.048
Then patterns cover at least 99% of the test FS size in the guest's memory 5.354 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.852
Then I find very few patterns in the guest's memory after 3 seconds 6.656 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 1.458
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.266
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.152
And I prepare Tails for memory erasure tests 0.489
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.248
Then I find very few patterns in the guest's memory 4.252 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.905
Then patterns cover at least 75% of the test FS size in the guest's memory 4.251 
Pattern coverage: 87.540% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.183
Then I find very few patterns in the guest's memory after 3 seconds 6.547 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 1.022
And I read the content of the test FS 1.258
Then patterns cover at least 99% of the test FS size in the guest's memory 3.662 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.702
Then I find very few patterns in the guest's memory after 3 seconds 6.590 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 1.073
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.394
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.258
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.306
Then I find very few patterns in the guest's memory 3.013 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.760
Then patterns cover at least 99% of the test FS size in the guest's memory 4.159 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.831
Then I find very few patterns in the guest's memory after 3 seconds 5.932 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 4.975
And I read the content of the test FS 0.677
Then patterns cover at least 99% of the test FS size in the guest's memory 3.388 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.701
Then I find very few patterns in the guest's memory after 3 seconds 5.948 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.793
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.885
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.000
And I prepare Tails for memory erasure tests 0.528
When I fill a 128 MiB file with a known pattern on the root filesystem 16.361
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.929
Then patterns cover at least 128 MiB in the guest's memory 3.105 
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 20.944 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 3.537
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:38.637
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 6:50.585
And I prepare Tails for memory erasure tests 1.602
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.589
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.845 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 3.472
After features/support/hooks.rb:100 0.011