Project Number Date
test_Tails_ISO_stable 5478 23 Feb 2025, 12:28

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 11:25.864 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
27.346
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 8.107
And I prepare Tails for memory erasure tests 0.418
When I start a process allocating 128 MiB of memory with a known pattern 2.292
Then patterns cover at least 128 MiB in the guest's memory 5.278 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.178
Then I find very few patterns in the guest's memory after 5 seconds 10.070 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 3.845
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.410
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 9.165
And I prepare Tails for memory erasure tests 0.790
And I find very few patterns in the guest's memory 3.825 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.320
Then patterns cover at least 99% of the test FS size in the guest's memory 3.869 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.809
Then I find very few patterns in the guest's memory after 3 seconds 6.629 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 0.647
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.480
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 8.046
And I prepare Tails for memory erasure tests 0.421
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.497
Then I find very few patterns in the guest's memory 3.627 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.783
Then patterns cover at least 75% of the test FS size in the guest's memory 4.601 
Pattern coverage: 87.929% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.501
Then I find very few patterns in the guest's memory after 3 seconds 6.474 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 0.218
And I read the content of the test FS 0.881
Then patterns cover at least 99% of the test FS size in the guest's memory 6.675 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.163
Then I find very few patterns in the guest's memory after 3 seconds 6.589 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.969
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.119
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 8.136
And I prepare Tails for memory erasure tests 0.461
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.675
Then I find very few patterns in the guest's memory 3.181 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.088
Then patterns cover at least 99% of the test FS size in the guest's memory 3.442 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.939
Then I find very few patterns in the guest's memory after 3 seconds 5.975 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 5.347
And I read the content of the test FS 0.465
Then patterns cover at least 99% of the test FS size in the guest's memory 3.440 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.134
Then I find very few patterns in the guest's memory after 3 seconds 5.830 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 1.827
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.738
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 8.200
And I prepare Tails for memory erasure tests 0.391
When I fill a 128 MiB file with a known pattern on the root filesystem 15.394
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.805
Then patterns cover at least 128 MiB in the guest's memory 3.022 
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 20.909 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.522
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:30.769
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 6:47.578
And I prepare Tails for memory erasure tests 0.386
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.518
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.272 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 3.542
After features/support/hooks.rb:100 0.011