Project Number Date
test_Tails_ISO_devel 3710 26 Feb 2025, 12:43

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 11:41.076 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
27.146
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 12.106
And I prepare Tails for memory erasure tests 0.478
When I start a process allocating 128 MiB of memory with a known pattern 1.322
Then patterns cover at least 128 MiB in the guest's memory 3.320 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.860
Then I find very few patterns in the guest's memory after 5 seconds 8.058 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 1.713
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.795
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 9.312
And I prepare Tails for memory erasure tests 0.445
And I find very few patterns in the guest's memory 2.987 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.454
Then patterns cover at least 99% of the test FS size in the guest's memory 5.524 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.929
Then I find very few patterns in the guest's memory after 3 seconds 6.140 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:330 0.878
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:5.853
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 8.835
And I prepare Tails for memory erasure tests 0.500
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.510
Then I find very few patterns in the guest's memory 8.558 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.833
Then patterns cover at least 75% of the test FS size in the guest's memory 12.562 
Pattern coverage: 88.722% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.347
Then I find very few patterns in the guest's memory after 3 seconds 7.070 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.267
And I read the content of the test FS 0.568
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 0.621
Then I find very few patterns in the guest's memory after 3 seconds 6.981 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 0.882
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.417
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 8.004
And I prepare Tails for memory erasure tests 0.492
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.508
Then I find very few patterns in the guest's memory 2.989 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.927
Then patterns cover at least 99% of the test FS size in the guest's memory 3.237 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.237
Then I find very few patterns in the guest's memory after 3 seconds 6.340 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 6.023
And I read the content of the test FS 0.519
Then patterns cover at least 99% of the test FS size in the guest's memory 3.246 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.655
Then I find very few patterns in the guest's memory after 3 seconds 5.234 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 2.057
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.494
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 8.541
And I prepare Tails for memory erasure tests 0.428
When I fill a 128 MiB file with a known pattern on the root filesystem 18.232
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.917
Then patterns cover at least 128 MiB in the guest's memory 2.437 
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 20.925 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 3.882
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:32.369
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 6:46.325
And I prepare Tails for memory erasure tests 0.411
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.442
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.175 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.480
After features/support/hooks.rb:100 0.011