Project Number Date
test_Tails_ISO_devel 3817 17 May 2025, 13:04

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 12:32.319 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
25.642
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 8.766
And I prepare Tails for memory erasure tests 0.478
When I start a process allocating 128 MiB of memory with a known pattern 2.495
Then patterns cover at least 128 MiB in the guest's memory 4.300 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.330
Then I find very few patterns in the guest's memory after 5 seconds 9.270 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 0.905
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.883
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 9.419
And I prepare Tails for memory erasure tests 0.710
And I find very few patterns in the guest's memory 4.342 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.171
Then patterns cover at least 99% of the test FS size in the guest's memory 4.117 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.543
Then I find very few patterns in the guest's memory after 3 seconds 8.578 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 0.884
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.375
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 8.673
And I prepare Tails for memory erasure tests 0.464
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.095
Then I find very few patterns in the guest's memory 3.824 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.700
Then patterns cover at least 75% of the test FS size in the guest's memory 4.314 
Pattern coverage: 89.145% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.092
Then I find very few patterns in the guest's memory after 3 seconds 6.911 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# read cache
When I mount the USB drive again 0.472
And I read the content of the test FS 1.231
Then patterns cover at least 99% of the test FS size in the guest's memory 4.308 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.643
Then I find very few patterns in the guest's memory after 3 seconds 6.641 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 1.265
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:31.638
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 8.769
And I prepare Tails for memory erasure tests 0.529
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 44.071
Then I find very few patterns in the guest's memory 3.286 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.691
Then patterns cover at least 99% of the test FS size in the guest's memory 3.907 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.565
Then I find very few patterns in the guest's memory after 3 seconds 6.492 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 5.364
And I read the content of the test FS 0.494
Then patterns cover at least 99% of the test FS size in the guest's memory 6.996 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.291
Then I find very few patterns in the guest's memory after 3 seconds 6.178 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.966
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.121
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 8.599
And I prepare Tails for memory erasure tests 0.528
When I fill a 128 MiB file with a known pattern on the root filesystem 18.668
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.927
Then patterns cover at least 128 MiB in the guest's memory 3.432 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 20.943 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 3.501
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:19.658
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 7:35.892
And I prepare Tails for memory erasure tests 0.513
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.739
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.499 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.854
After features/support/hooks.rb:100 0.015