Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 6 29 Oct 2024, 06:46

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 10:31.231 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
19.301
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.929
And I prepare Tails for memory erasure tests 0.417
When I start a process allocating 128 MiB of memory with a known pattern 1.236
Then patterns cover at least 128 MiB in the guest's memory 3.289 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.823
Then I find very few patterns in the guest's memory after 3 seconds 5.604 
Pattern coverage: 0.000% (0 MiB out of 683 MiB reference memory)
After features/support/hooks.rb:326 0.761
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.244
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.899
And I prepare Tails for memory erasure tests 0.402
And I find very few patterns in the guest's memory 3.580 
Pattern coverage: 0.000% (0 MiB out of 681 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.617
Then patterns cover at least 99% of the test FS size in the guest's memory 3.589 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.343
Then I find very few patterns in the guest's memory after 3 seconds 5.812 
Pattern coverage: 0.000% (0 MiB out of 681 MiB reference memory)
After features/support/hooks.rb:326 0.882
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
43.145
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.872
And I prepare Tails for memory erasure tests 0.438
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.033
Then I find very few patterns in the guest's memory 2.591 
Pattern coverage: 0.000% (0 MiB out of 678 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.152
Then patterns cover at least 75% of the test FS size in the guest's memory 3.326 
Pattern coverage: 80.383% (102 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.172
Then I find very few patterns in the guest's memory after 3 seconds 5.771 
Pattern coverage: 0.000% (0 MiB out of 678 MiB reference memory)
# read cache
When I mount the USB drive again 0.269
And I read the content of the test FS 0.594
Then patterns cover at least 99% of the test FS size in the guest's memory 3.330 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.763
Then I find very few patterns in the guest's memory after 3 seconds 5.827 
Pattern coverage: 0.001% (0 MiB out of 678 MiB reference memory)
After features/support/hooks.rb:326 0.805
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.554
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.045
And I prepare Tails for memory erasure tests 1.065
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.032
Then I find very few patterns in the guest's memory 2.232 
Pattern coverage: 0.000% (0 MiB out of 679 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.635
Then patterns cover at least 99% of the test FS size in the guest's memory 2.726 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.720
Then I find very few patterns in the guest's memory after 3 seconds 5.358 
Pattern coverage: 0.000% (0 MiB out of 679 MiB reference memory)
# read cache
When I mount the USB drive again 5.503
And I read the content of the test FS 0.454
Then patterns cover at least 99% of the test FS size in the guest's memory 2.740 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.674
Then I find very few patterns in the guest's memory after 3 seconds 5.365 
Pattern coverage: 0.000% (0 MiB out of 679 MiB reference memory)
After features/support/hooks.rb:326 1.269
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.164
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.115
And I prepare Tails for memory erasure tests 0.479
When I fill a 128 MiB file with a known pattern on the root filesystem 15.592
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.406
Then patterns cover at least 128 MiB in the guest's memory 2.838 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.715 
Pattern coverage: 0.000% (0 MiB out of 680 MiB reference memory)
After features/support/hooks.rb:326 3.492
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:2.821
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 6:20.639
And I prepare Tails for memory erasure tests 0.443
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.589
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.136 
Pattern coverage: 0.000% (0 MiB out of 743 MiB reference memory)
After features/support/hooks.rb:326 3.496
After features/support/hooks.rb:100 0.013