Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 13 31 Oct 2024, 19:15

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 12:14.214 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
22.907
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.115
And I prepare Tails for memory erasure tests 0.593
When I start a process allocating 128 MiB of memory with a known pattern 1.360
Then patterns cover at least 128 MiB in the guest's memory 4.911 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.461
Then I find very few patterns in the guest's memory after 3 seconds 6.464 
Pattern coverage: 0.000% (0 MiB out of 684 MiB reference memory)
After features/support/hooks.rb:326 0.806
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.648
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.814
And I prepare Tails for memory erasure tests 0.598
And I find very few patterns in the guest's memory 4.391 
Pattern coverage: 0.000% (0 MiB out of 684 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.753
Then patterns cover at least 99% of the test FS size in the guest's memory 4.484 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.766
Then I find very few patterns in the guest's memory after 3 seconds 6.838 
Pattern coverage: 0.000% (0 MiB out of 684 MiB reference memory)
After features/support/hooks.rb:326 0.911
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.264
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.161
And I prepare Tails for memory erasure tests 0.541
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.524
Then I find very few patterns in the guest's memory 4.266 
Pattern coverage: 0.000% (0 MiB out of 683 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.528
Then patterns cover at least 75% of the test FS size in the guest's memory 5.367 
Pattern coverage: 80.086% (102 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.125
Then I find very few patterns in the guest's memory after 3 seconds 6.973 
Pattern coverage: 0.000% (0 MiB out of 683 MiB reference memory)
# read cache
When I mount the USB drive again 0.268
And I read the content of the test FS 1.052
Then patterns cover at least 99% of the test FS size in the guest's memory 5.218 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.529
Then I find very few patterns in the guest's memory after 3 seconds 8.706 
Pattern coverage: 0.000% (0 MiB out of 683 MiB reference memory)
After features/support/hooks.rb:326 0.808
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.481
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.385
And I prepare Tails for memory erasure tests 0.528
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.925
Then I find very few patterns in the guest's memory 3.378 
Pattern coverage: 0.000% (0 MiB out of 681 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.728
Then patterns cover at least 99% of the test FS size in the guest's memory 3.546 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.832
Then I find very few patterns in the guest's memory after 3 seconds 6.123 
Pattern coverage: 0.000% (0 MiB out of 681 MiB reference memory)
# read cache
When I mount the USB drive again 5.616
And I read the content of the test FS 1.008
Then patterns cover at least 99% of the test FS size in the guest's memory 3.687 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.577
Then I find very few patterns in the guest's memory after 3 seconds 6.141 
Pattern coverage: 0.000% (0 MiB out of 681 MiB reference memory)
After features/support/hooks.rb:326 1.231
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.291
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.555
And I prepare Tails for memory erasure tests 0.520
When I fill a 128 MiB file with a known pattern on the root filesystem 17.188
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.242
Then patterns cover at least 128 MiB in the guest's memory 4.094 
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 21.677 
Pattern coverage: 0.000% (0 MiB out of 690 MiB reference memory)
After features/support/hooks.rb:326 3.583
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:11.620
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 7:26.116
And I prepare Tails for memory erasure tests 0.503
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.624
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 21.354 
Pattern coverage: 0.000% (0 MiB out of 738 MiB reference memory)
After features/support/hooks.rb:326 3.592
After features/support/hooks.rb:100 0.011