Project Number Date
test_Tails_ISO_stable 5285 22 Nov 2024, 12:27

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 10:39.231 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
20.835
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.912
And I prepare Tails for memory erasure tests 0.502
When I start a process allocating 128 MiB of memory with a known pattern 1.190
Then patterns cover at least 128 MiB in the guest's memory 3.729 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.262
Then I find very few patterns in the guest's memory after 3 seconds 6.237 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.744
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.513
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.951
And I prepare Tails for memory erasure tests 0.448
And I find very few patterns in the guest's memory 3.214 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.594
Then patterns cover at least 99% of the test FS size in the guest's memory 3.509 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.486
Then I find very few patterns in the guest's memory after 3 seconds 6.309 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.693
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.750
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.858
And I prepare Tails for memory erasure tests 0.478
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.897
Then I find very few patterns in the guest's memory 3.355 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.636
Then patterns cover at least 75% of the test FS size in the guest's memory 4.378 
Pattern coverage: 83.867% (107 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.286
Then I find very few patterns in the guest's memory after 3 seconds 6.146 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 0.334
And I read the content of the test FS 0.484
Then patterns cover at least 99% of the test FS size in the guest's memory 3.500 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.514
Then I find very few patterns in the guest's memory after 3 seconds 5.878 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 0.751
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.455
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.900
And I prepare Tails for memory erasure tests 0.396
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.816
Then I find very few patterns in the guest's memory 2.755 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.926
Then patterns cover at least 99% of the test FS size in the guest's memory 2.944 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.948
Then I find very few patterns in the guest's memory after 3 seconds 5.682 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
# read cache
When I mount the USB drive again 5.618
And I read the content of the test FS 0.423
Then patterns cover at least 99% of the test FS size in the guest's memory 2.725 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.787
Then I find very few patterns in the guest's memory after 3 seconds 5.529 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:326 0.786
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.580
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.005
And I prepare Tails for memory erasure tests 0.442
When I fill a 128 MiB file with a known pattern on the root filesystem 18.120
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.709
Then patterns cover at least 128 MiB in the guest's memory 2.603 
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 20.687 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 3.539
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:2.096
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 6:18.097
And I prepare Tails for memory erasure tests 0.361
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.415
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.209 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 3.483
After features/support/hooks.rb:100 0.012