Project Number Date
test_Tails_ISO_20263-remote-shell-debug-logging 12 12 Mar 2025, 21:44

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 11:40.187 Passed
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.
25.250
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 8.175
And I prepare Tails for memory erasure tests 0.409
When I start a process allocating 128 MiB of memory with a known pattern 2.388
Then patterns cover at least 128 MiB in the guest's memory 3.697

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I kill the allocating process 1.744
Then I find very few patterns in the guest's memory after 5 seconds 8.835

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:330 3.055
After features/support/hooks.rb:100 0.000
27.564
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 8.147
And I prepare Tails for memory erasure tests 0.407
And I find very few patterns in the guest's memory 3.299

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.888
Then patterns cover at least 99% of the test FS size in the guest's memory 3.473

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I umount "/mnt" 1.094
Then I find very few patterns in the guest's memory after 3 seconds 6.252

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:330 0.872
After features/support/hooks.rb:100 0.000
46.084
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 8.003
And I prepare Tails for memory erasure tests 0.475
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.387
Then I find very few patterns in the guest's memory 3.179

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.925
Then patterns cover at least 75% of the test FS size in the guest's memory 3.507

Pattern coverage: 87.348% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.264
Then I find very few patterns in the guest's memory after 3 seconds 6.206

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

# read cache
When I mount the USB drive again 0.302
And I read the content of the test FS 0.447
Then patterns cover at least 99% of the test FS size in the guest's memory 3.760

Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.499
Then I find very few patterns in the guest's memory after 3 seconds 6.124

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:330 2.203
After features/support/hooks.rb:100 0.000
1:16.640
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 8.180
And I prepare Tails for memory erasure tests 0.415
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.966
Then I find very few patterns in the guest's memory 2.628

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.710
Then patterns cover at least 99% of the test FS size in the guest's memory 3.092

Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.809
Then I find very few patterns in the guest's memory after 3 seconds 5.747

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# read cache
When I mount the USB drive again 5.361
And I read the content of the test FS 0.512
Then patterns cover at least 99% of the test FS size in the guest's memory 3.060

Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.553
Then I find very few patterns in the guest's memory after 3 seconds 5.600

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:330 2.103
After features/support/hooks.rb:100 0.000
51.866
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 7.942
And I prepare Tails for memory erasure tests 0.457
When I fill a 128 MiB file with a known pattern on the root filesystem 17.748
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.691
Then patterns cover at least 128 MiB in the guest's memory 3.193

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 20.817

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:330 3.536
After features/support/hooks.rb:100 0.000
7:52.779
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 7:4.427
And I prepare Tails for memory erasure tests 0.466
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.670
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.200

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:330 3.526
After features/support/hooks.rb:100 0.012