Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 25 08 Nov 2024, 07:43

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 11:11.117 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
19.125
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.048
And I prepare Tails for memory erasure tests 0.497
When I start a process allocating 128 MiB of memory with a known pattern 1.215
Then patterns cover at least 128 MiB in the guest's memory 3.707 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.272
Then I find very few patterns in the guest's memory after 3 seconds 5.384 
Pattern coverage: 0.000% (0 MiB out of 662 MiB reference memory)
After features/support/hooks.rb:326 0.734
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
21.935
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.018
And I prepare Tails for memory erasure tests 0.460
And I find very few patterns in the guest's memory 2.972 
Pattern coverage: 0.000% (0 MiB out of 670 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.209
Then patterns cover at least 99% of the test FS size in the guest's memory 3.350 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.202
Then I find very few patterns in the guest's memory after 3 seconds 5.720 
Pattern coverage: 0.000% (0 MiB out of 670 MiB reference memory)
After features/support/hooks.rb:326 0.695
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.269
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.059
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.200
Then I find very few patterns in the guest's memory 2.886 
Pattern coverage: 0.000% (0 MiB out of 673 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.327
Then patterns cover at least 75% of the test FS size in the guest's memory 3.196 
Pattern coverage: 80.729% (103 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.114
Then I find very few patterns in the guest's memory after 3 seconds 5.636 
Pattern coverage: 0.000% (0 MiB out of 673 MiB reference memory)
# read cache
When I mount the USB drive again 0.249
And I read the content of the test FS 0.790
Then patterns cover at least 99% of the test FS size in the guest's memory 3.232 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.325
Then I find very few patterns in the guest's memory after 3 seconds 5.807 
Pattern coverage: 0.000% (0 MiB out of 673 MiB reference memory)
After features/support/hooks.rb:326 0.696
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.974
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.123
And I prepare Tails for memory erasure tests 0.479
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.272
Then I find very few patterns in the guest's memory 2.829 
Pattern coverage: 0.000% (0 MiB out of 670 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.617
Then patterns cover at least 99% of the test FS size in the guest's memory 2.732 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.778
Then I find very few patterns in the guest's memory after 3 seconds 5.426 
Pattern coverage: 0.000% (0 MiB out of 670 MiB reference memory)
# read cache
When I mount the USB drive again 4.624
And I read the content of the test FS 0.388
Then patterns cover at least 99% of the test FS size in the guest's memory 2.762 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.616
Then I find very few patterns in the guest's memory after 3 seconds 5.323 
Pattern coverage: 0.000% (0 MiB out of 670 MiB reference memory)
After features/support/hooks.rb:326 1.357
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.659
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.170
And I prepare Tails for memory erasure tests 0.492
When I fill a 128 MiB file with a known pattern on the root filesystem 15.170
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.527
Then patterns cover at least 128 MiB in the guest's memory 2.631 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.655 
Pattern coverage: 0.000% (0 MiB out of 670 MiB reference memory)
After features/support/hooks.rb:326 3.502
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:43.152
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 7:0.136
And I prepare Tails for memory erasure tests 0.550
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.202
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.251 
Pattern coverage: 0.000% (0 MiB out of 721 MiB reference memory)
After features/support/hooks.rb:326 3.507
After features/support/hooks.rb:100 0.011