Project Number Date
test_Tails_ISO_20635-greeter-threading-fixes 7 19 Dec 2024, 20:41

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 12:4.456 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
23.456
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.598
And I prepare Tails for memory erasure tests 0.447
When I start a process allocating 128 MiB of memory with a known pattern 2.356
Then patterns cover at least 128 MiB in the guest's memory 4.697 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.285
Then I find very few patterns in the guest's memory after 3 seconds 7.072 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:326 1.115
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.238
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.993
And I prepare Tails for memory erasure tests 0.641
And I find very few patterns in the guest's memory 4.028 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.178
Then patterns cover at least 99% of the test FS size in the guest's memory 4.211 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.268
Then I find very few patterns in the guest's memory after 3 seconds 6.917 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:326 1.021
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:0.398
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.581
And I prepare Tails for memory erasure tests 0.544
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.535
Then I find very few patterns in the guest's memory 4.081 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.640
Then patterns cover at least 75% of the test FS size in the guest's memory 4.620 
Pattern coverage: 91.312% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.175
Then I find very few patterns in the guest's memory after 3 seconds 6.784 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
# read cache
When I mount the USB drive again 0.324
And I read the content of the test FS 4.887
Then patterns cover at least 99% of the test FS size in the guest's memory 4.288 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.761
Then I find very few patterns in the guest's memory after 3 seconds 7.172 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
After features/support/hooks.rb:326 1.016
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:25.284
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.710
And I prepare Tails for memory erasure tests 0.587
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.694
Then I find very few patterns in the guest's memory 4.224 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.435
Then patterns cover at least 99% of the test FS size in the guest's memory 3.657 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.325
Then I find very few patterns in the guest's memory after 3 seconds 6.453 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
# read cache
When I mount the USB drive again 7.440
And I read the content of the test FS 1.561
Then patterns cover at least 99% of the test FS size in the guest's memory 3.886 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.944
Then I find very few patterns in the guest's memory after 3 seconds 6.361 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:326 2.778
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.657
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.456
And I prepare Tails for memory erasure tests 0.475
When I fill a 128 MiB file with a known pattern on the root filesystem 15.393
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.187
Then patterns cover at least 128 MiB in the guest's memory 3.200 
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 20.931 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:326 3.573
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:56.419
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 7:11.435
And I prepare Tails for memory erasure tests 0.463
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.899
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.608 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 3.539
After features/support/hooks.rb:100 0.024