Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 49 26 Nov 2024, 21:31

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 11:20.832 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
20.847
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.215
And I prepare Tails for memory erasure tests 0.520
When I start a process allocating 128 MiB of memory with a known pattern 1.282
Then patterns cover at least 128 MiB in the guest's memory 3.653 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.992
Then I find very few patterns in the guest's memory after 3 seconds 6.183 
Pattern coverage: 0.000% (0 MiB out of 696 MiB reference memory)
After features/support/hooks.rb:326 0.723
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.278
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.131
And I prepare Tails for memory erasure tests 0.469
And I find very few patterns in the guest's memory 3.569 
Pattern coverage: 0.000% (0 MiB out of 699 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.319
Then patterns cover at least 99% of the test FS size in the guest's memory 3.579 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.278
Then I find very few patterns in the guest's memory after 3 seconds 6.930 
Pattern coverage: 0.000% (0 MiB out of 699 MiB reference memory)
After features/support/hooks.rb:326 0.782
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.527
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.192
And I prepare Tails for memory erasure tests 0.489
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.235
Then I find very few patterns in the guest's memory 6.361 
Pattern coverage: 0.000% (0 MiB out of 695 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.454
Then patterns cover at least 75% of the test FS size in the guest's memory 7.190 
Pattern coverage: 79.823% (101 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.533
Then I find very few patterns in the guest's memory after 3 seconds 6.343 
Pattern coverage: 0.000% (0 MiB out of 695 MiB reference memory)
# read cache
When I mount the USB drive again 0.238
And I read the content of the test FS 0.494
Then patterns cover at least 99% of the test FS size in the guest's memory 3.640 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.396
Then I find very few patterns in the guest's memory after 3 seconds 6.955 
Pattern coverage: 0.001% (0 MiB out of 695 MiB reference memory)
After features/support/hooks.rb:326 1.023
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.480
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.217
And I prepare Tails for memory erasure tests 0.543
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.077
Then I find very few patterns in the guest's memory 2.979 
Pattern coverage: 0.000% (0 MiB out of 690 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.000
Then patterns cover at least 99% of the test FS size in the guest's memory 3.259 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.835
Then I find very few patterns in the guest's memory after 3 seconds 6.673 
Pattern coverage: 0.000% (0 MiB out of 690 MiB reference memory)
# read cache
When I mount the USB drive again 5.380
And I read the content of the test FS 0.558
Then patterns cover at least 99% of the test FS size in the guest's memory 3.439 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.545
Then I find very few patterns in the guest's memory after 3 seconds 5.967 
Pattern coverage: 0.000% (0 MiB out of 690 MiB reference memory)
After features/support/hooks.rb:326 1.056
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.104
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.172
And I prepare Tails for memory erasure tests 0.461
When I fill a 128 MiB file with a known pattern on the root filesystem 15.890
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.448
Then patterns cover at least 128 MiB in the guest's memory 3.262 
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 20.856 
Pattern coverage: 0.000% (0 MiB out of 702 MiB reference memory)
After features/support/hooks.rb:326 3.483
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:33.593
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 6:47.443
And I prepare Tails for memory erasure tests 0.395
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.575
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.166 
Pattern coverage: 0.000% (0 MiB out of 742 MiB reference memory)
After features/support/hooks.rb:326 3.527
After features/support/hooks.rb:100 0.012