Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 18 04 Nov 2024, 06:50

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 10:39.986 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
21.004
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.974
And I prepare Tails for memory erasure tests 0.438
When I start a process allocating 128 MiB of memory with a known pattern 1.155
Then patterns cover at least 128 MiB in the guest's memory 3.520 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.967
Then I find very few patterns in the guest's memory after 3 seconds 5.946 
Pattern coverage: 0.000% (0 MiB out of 707 MiB reference memory)
After features/support/hooks.rb:326 1.119
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.146
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.167
And I prepare Tails for memory erasure tests 0.347
And I find very few patterns in the guest's memory 2.978 
Pattern coverage: 0.000% (0 MiB out of 714 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.171
Then patterns cover at least 99% of the test FS size in the guest's memory 3.434 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.229
Then I find very few patterns in the guest's memory after 3 seconds 5.817 
Pattern coverage: 0.000% (0 MiB out of 714 MiB reference memory)
After features/support/hooks.rb:326 0.710
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
42.704
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.040
And I prepare Tails for memory erasure tests 0.399
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.097
Then I find very few patterns in the guest's memory 2.978 
Pattern coverage: 0.000% (0 MiB out of 704 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.105
Then patterns cover at least 75% of the test FS size in the guest's memory 3.086 
Pattern coverage: 79.305% (101 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.077
Then I find very few patterns in the guest's memory after 3 seconds 5.696 
Pattern coverage: 0.000% (0 MiB out of 704 MiB reference memory)
# read cache
When I mount the USB drive again 0.274
And I read the content of the test FS 0.471
Then patterns cover at least 99% of the test FS size in the guest's memory 3.237 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.336
Then I find very few patterns in the guest's memory after 3 seconds 5.903 
Pattern coverage: 0.000% (0 MiB out of 704 MiB reference memory)
After features/support/hooks.rb:326 0.659
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.808
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.091
And I prepare Tails for memory erasure tests 0.376
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.592
Then I find very few patterns in the guest's memory 2.514 
Pattern coverage: 0.000% (0 MiB out of 707 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.689
Then patterns cover at least 99% of the test FS size in the guest's memory 2.847 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.191
Then I find very few patterns in the guest's memory after 3 seconds 5.338 
Pattern coverage: 0.000% (0 MiB out of 707 MiB reference memory)
# read cache
When I mount the USB drive again 3.792
And I read the content of the test FS 0.433
Then patterns cover at least 99% of the test FS size in the guest's memory 2.626 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.986
Then I find very few patterns in the guest's memory after 3 seconds 5.327 
Pattern coverage: 0.000% (0 MiB out of 707 MiB reference memory)
After features/support/hooks.rb:326 1.090
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.063
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.161
And I prepare Tails for memory erasure tests 0.365
When I fill a 128 MiB file with a known pattern on the root filesystem 14.985
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 0.923
Then patterns cover at least 128 MiB in the guest's memory 2.872 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.038
Then I find very few patterns in the guest's memory after 20 seconds 20.715 
Pattern coverage: 0.000% (0 MiB out of 701 MiB reference memory)
After features/support/hooks.rb:326 3.514
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:13.258
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 6:29.666
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 22.001
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.113 
Pattern coverage: 0.000% (0 MiB out of 745 MiB reference memory)
After features/support/hooks.rb:326 3.558
After features/support/hooks.rb:100 0.013