Project Number Date
test_Tails_ISO_stable 5527 23 Mar 2025, 12:52

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 11:37.903 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
25.879
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 9.019
And I prepare Tails for memory erasure tests 0.555
When I start a process allocating 128 MiB of memory with a known pattern 2.432
Then patterns cover at least 128 MiB in the guest's memory 5.246 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.743
Then I find very few patterns in the guest's memory after 5 seconds 7.881 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 1.006
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.402
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 8.529
And I prepare Tails for memory erasure tests 0.414
And I find very few patterns in the guest's memory 2.665 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.043
Then patterns cover at least 99% of the test FS size in the guest's memory 3.749 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.449
Then I find very few patterns in the guest's memory after 3 seconds 11.550 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 1.320
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.542
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 8.377
And I prepare Tails for memory erasure tests 0.556
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.116
Then I find very few patterns in the guest's memory 3.307 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.736
Then patterns cover at least 75% of the test FS size in the guest's memory 4.156 
Pattern coverage: 87.084% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.156
Then I find very few patterns in the guest's memory after 3 seconds 6.184 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 0.251
And I read the content of the test FS 0.443
Then patterns cover at least 99% of the test FS size in the guest's memory 3.068 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.405
Then I find very few patterns in the guest's memory after 3 seconds 5.781 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.929
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.731
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 8.048
And I prepare Tails for memory erasure tests 0.445
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.206
Then I find very few patterns in the guest's memory 2.441 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.977
Then patterns cover at least 99% of the test FS size in the guest's memory 2.757 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.685
Then I find very few patterns in the guest's memory after 3 seconds 5.277 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 4.976
And I read the content of the test FS 0.543
Then patterns cover at least 99% of the test FS size in the guest's memory 3.130 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.818
Then I find very few patterns in the guest's memory after 3 seconds 6.421 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 1.473
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.607
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 8.819
And I prepare Tails for memory erasure tests 0.454
When I fill a 128 MiB file with a known pattern on the root filesystem 17.736
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.242
Then patterns cover at least 128 MiB in the guest's memory 3.517 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.819 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 3.524
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:49.739
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 7:3.338
And I prepare Tails for memory erasure tests 1.409
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.504
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.473 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:330 3.525
After features/support/hooks.rb:100 0.011