Project Number Date
test_Tails_ISO_20950-remove-sshfs 4 16 May 2025, 00:03

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 11:12.086 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
24.921
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 8.222
And I prepare Tails for memory erasure tests 0.454
When I start a process allocating 128 MiB of memory with a known pattern 2.454
Then patterns cover at least 128 MiB in the guest's memory 3.739 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.170
Then I find very few patterns in the guest's memory after 5 seconds 8.880 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.703
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.809
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 8.260
And I prepare Tails for memory erasure tests 0.385
And I find very few patterns in the guest's memory 3.227 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.965
Then patterns cover at least 99% of the test FS size in the guest's memory 4.103 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.522
Then I find very few patterns in the guest's memory after 3 seconds 6.345 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 0.701
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.986
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 8.101
And I prepare Tails for memory erasure tests 0.447
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.086
Then I find very few patterns in the guest's memory 3.591 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.853
Then patterns cover at least 75% of the test FS size in the guest's memory 3.974 
Pattern coverage: 89.592% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.588
Then I find very few patterns in the guest's memory after 3 seconds 6.307 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 0.230
And I read the content of the test FS 0.668
Then patterns cover at least 99% of the test FS size in the guest's memory 3.690 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.526
Then I find very few patterns in the guest's memory after 3 seconds 6.918 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 0.921
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.168
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 8.440
And I prepare Tails for memory erasure tests 0.478
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.754
Then I find very few patterns in the guest's memory 2.682 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.701
Then patterns cover at least 99% of the test FS size in the guest's memory 3.150 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.739
Then I find very few patterns in the guest's memory after 3 seconds 5.612 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 3.813
And I read the content of the test FS 0.523
Then patterns cover at least 99% of the test FS size in the guest's memory 3.081 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.486
Then I find very few patterns in the guest's memory after 3 seconds 5.701 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 1.432
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.602
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 8.002
And I prepare Tails for memory erasure tests 0.403
When I fill a 128 MiB file with a known pattern on the root filesystem 19.784
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.814
Then patterns cover at least 128 MiB in the guest's memory 2.742 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.837 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 3.537
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:28.596
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 6:44.579
And I prepare Tails for memory erasure tests 0.410
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.350
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.244 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 3.551
After features/support/hooks.rb:100 0.009