Project Number Date
test_Tails_ISO_20872-more-gtk-launch 2 27 Mar 2025, 18:08

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 11:29.011 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.
26.221
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.681
And I prepare Tails for memory erasure tests 0.642
When I start a process allocating 128 MiB of memory with a known pattern 1.483
Then patterns cover at least 128 MiB in the guest's memory 4.278

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

When I kill the allocating process 0.848
Then I find very few patterns in the guest's memory after 5 seconds 10.287

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

After features/support/hooks.rb:330 0.825
After features/support/hooks.rb:100 0.000
26.997
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 9.217
And I prepare Tails for memory erasure tests 0.481
And I find very few patterns in the guest's memory 4.737

Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.533
Then patterns cover at least 99% of the test FS size in the guest's memory 4.074

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

When I umount "/mnt" 0.412
Then I find very few patterns in the guest's memory after 3 seconds 6.541

Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)

After features/support/hooks.rb:330 0.819
After features/support/hooks.rb:100 0.000
53.448
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 8.471
And I prepare Tails for memory erasure tests 0.770
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.442
Then I find very few patterns in the guest's memory 4.013

Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 4.033
Then patterns cover at least 75% of the test FS size in the guest's memory 4.498

Pattern coverage: 89.037% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.647
Then I find very few patterns in the guest's memory after 3 seconds 6.655

Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)

# read cache
When I mount the USB drive again 0.241
And I read the content of the test FS 0.915
Then patterns cover at least 99% of the test FS size in the guest's memory 4.223

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

When I umount the USB drive 0.417
Then I find very few patterns in the guest's memory after 3 seconds 7.118

Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)

After features/support/hooks.rb:330 1.425
After features/support/hooks.rb:100 0.000
1:13.731
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 8.380
And I prepare Tails for memory erasure tests 0.599
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.839
Then I find very few patterns in the guest's memory 3.191

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.587
Then patterns cover at least 99% of the test FS size in the guest's memory 3.603

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

When I umount the USB drive 0.895
Then I find very few patterns in the guest's memory after 3 seconds 6.264

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

# read cache
When I mount the USB drive again 3.704
And I read the content of the test FS 0.636
Then patterns cover at least 99% of the test FS size in the guest's memory 3.445

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

When I umount the USB drive 0.545
Then I find very few patterns in the guest's memory after 3 seconds 6.037

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:330 1.814
After features/support/hooks.rb:100 0.000
48.887
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 8.544
And I prepare Tails for memory erasure tests 0.599
When I fill a 128 MiB file with a known pattern on the root filesystem 14.619
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.839
Then patterns cover at least 128 MiB in the guest's memory 2.582

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 20.686

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:330 3.500
After features/support/hooks.rb:100 0.000
7:39.724
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 6:54.856
And I prepare Tails for memory erasure tests 0.394
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.314
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.147

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:330 3.562
After features/support/hooks.rb:100 0.013