Project Number Date
test_Tails_ISO_devel 3784 16 Apr 2025, 13:52

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 12:1.631 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
25.928
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 8.744
And I prepare Tails for memory erasure tests 0.691
When I start a process allocating 128 MiB of memory with a known pattern 2.358
Then patterns cover at least 128 MiB in the guest's memory 4.026 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.217
Then I find very few patterns in the guest's memory after 5 seconds 7.890 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 0.768
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.194
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 8.483
And I prepare Tails for memory erasure tests 0.760
And I find very few patterns in the guest's memory 5.154 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.851
Then patterns cover at least 99% of the test FS size in the guest's memory 3.667 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.750
Then I find very few patterns in the guest's memory after 3 seconds 6.526 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 0.798
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.357
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 9.220
And I prepare Tails for memory erasure tests 0.434
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.308
Then I find very few patterns in the guest's memory 3.530 
Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.276
Then patterns cover at least 75% of the test FS size in the guest's memory 4.237 
Pattern coverage: 86.879% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.107
Then I find very few patterns in the guest's memory after 3 seconds 6.743 
Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)
# read cache
When I mount the USB drive again 0.262
And I read the content of the test FS 0.644
Then patterns cover at least 99% of the test FS size in the guest's memory 4.194 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.512
Then I find very few patterns in the guest's memory after 3 seconds 6.885 
Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)
After features/support/hooks.rb:330 0.986
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.730
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 9.112
And I prepare Tails for memory erasure tests 0.665
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.841
Then I find very few patterns in the guest's memory 3.977 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.834
Then patterns cover at least 99% of the test FS size in the guest's memory 3.768 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.750
Then I find very few patterns in the guest's memory after 3 seconds 5.874 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
# read cache
When I mount the USB drive again 5.907
And I read the content of the test FS 0.398
Then patterns cover at least 99% of the test FS size in the guest's memory 3.032 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.681
Then I find very few patterns in the guest's memory after 3 seconds 5.884 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 1.654
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.328
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 8.346
And I prepare Tails for memory erasure tests 0.542
When I fill a 128 MiB file with a known pattern on the root filesystem 17.178
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.683
Then patterns cover at least 128 MiB in the guest's memory 5.542 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 21.015 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 3.652
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:0.091
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:11.890
And I prepare Tails for memory erasure tests 0.542
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.128
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.517 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.508
After features/support/hooks.rb:100 0.010