Project Number Date
test_Tails_ISO_devel 3719 04 Mar 2025, 13:27

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 12:4.661 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
22.765
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 8.324
And I prepare Tails for memory erasure tests 0.607
When I start a process allocating 128 MiB of memory with a known pattern 1.251
Then patterns cover at least 128 MiB in the guest's memory 3.386 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.525
Then I find very few patterns in the guest's memory after 5 seconds 8.669 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 0.896
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.582
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 8.750
And I prepare Tails for memory erasure tests 0.588
And I find very few patterns in the guest's memory 3.715 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.918
Then patterns cover at least 99% of the test FS size in the guest's memory 4.275 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 2.491
Then I find very few patterns in the guest's memory after 3 seconds 6.842 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 0.705
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.837
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 8.279
And I prepare Tails for memory erasure tests 1.193
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.060
Then I find very few patterns in the guest's memory 3.691 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.751
Then patterns cover at least 75% of the test FS size in the guest's memory 4.148 
Pattern coverage: 88.229% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.103
Then I find very few patterns in the guest's memory after 3 seconds 6.985 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 0.299
And I read the content of the test FS 0.766
Then patterns cover at least 99% of the test FS size in the guest's memory 8.141 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.663
Then I find very few patterns in the guest's memory after 3 seconds 10.752 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 0.973
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:29.507
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 10.292
And I prepare Tails for memory erasure tests 0.622
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.655
Then I find very few patterns in the guest's memory 3.468 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.063
Then patterns cover at least 99% of the test FS size in the guest's memory 4.042 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.149
Then I find very few patterns in the guest's memory after 3 seconds 6.255 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 8.840
And I read the content of the test FS 0.426
Then patterns cover at least 99% of the test FS size in the guest's memory 3.557 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.867
Then I find very few patterns in the guest's memory after 3 seconds 6.264 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.232
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.048
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 8.940
And I prepare Tails for memory erasure tests 0.474
When I fill a 128 MiB file with a known pattern on the root filesystem 18.038
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.408
Then patterns cover at least 128 MiB in the guest's memory 3.279 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.891 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.465
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:51.920
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 7:6.144
And I prepare Tails for memory erasure tests 0.479
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.097
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.179 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.495
After features/support/hooks.rb:100 0.011