Project Number Date
test_Tails_ISO_stable 5528 24 Mar 2025, 13:05

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 10:32.157 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
22.835
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.837
And I prepare Tails for memory erasure tests 0.479
When I start a process allocating 128 MiB of memory with a known pattern 2.288
Then patterns cover at least 128 MiB in the guest's memory 3.192 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.057
Then I find very few patterns in the guest's memory after 5 seconds 7.978 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:330 1.017
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.121
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.098
And I prepare Tails for memory erasure tests 0.398
And I find very few patterns in the guest's memory 2.855 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.458
Then patterns cover at least 99% of the test FS size in the guest's memory 3.023 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.798
Then I find very few patterns in the guest's memory after 3 seconds 5.489 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 0.982
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.016
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.020
And I prepare Tails for memory erasure tests 0.514
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.125
Then I find very few patterns in the guest's memory 2.677 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.007
Then patterns cover at least 75% of the test FS size in the guest's memory 3.447 
Pattern coverage: 86.484% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.362
Then I find very few patterns in the guest's memory after 3 seconds 6.151 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
# read cache
When I mount the USB drive again 0.216
And I read the content of the test FS 0.710
Then patterns cover at least 99% of the test FS size in the guest's memory 4.108 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.422
Then I find very few patterns in the guest's memory after 3 seconds 6.250 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:330 0.880
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.757
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.648
And I prepare Tails for memory erasure tests 0.380
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.280
Then I find very few patterns in the guest's memory 2.504 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.615
Then patterns cover at least 99% of the test FS size in the guest's memory 2.737 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.600
Then I find very few patterns in the guest's memory after 3 seconds 6.476 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# read cache
When I mount the USB drive again 4.331
And I read the content of the test FS 1.022
Then patterns cover at least 99% of the test FS size in the guest's memory 4.295 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.525
Then I find very few patterns in the guest's memory after 3 seconds 5.338 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 2.027
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.866
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.901
And I prepare Tails for memory erasure tests 0.439
When I fill a 128 MiB file with a known pattern on the root filesystem 16.187
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.717
Then patterns cover at least 128 MiB in the guest's memory 2.620 
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 20.986 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 3.521
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:55.560
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:13.227
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 20.714
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.163 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.502
After features/support/hooks.rb:100 0.010