Project Number Date
test_Tails_ISO_20872-more-gtk-launch 13 09 Apr 2025, 08:18

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 11:47.292 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.
24.259
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 8.135
And I prepare Tails for memory erasure tests 0.493
When I start a process allocating 128 MiB of memory with a known pattern 1.262
Then patterns cover at least 128 MiB in the guest's memory 4.603

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

When I kill the allocating process 0.878
Then I find very few patterns in the guest's memory after 5 seconds 8.885

Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)

After features/support/hooks.rb:330 1.176
After features/support/hooks.rb:100 0.000
26.815
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 8.833
And I prepare Tails for memory erasure tests 0.444
And I find very few patterns in the guest's memory 3.680

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.787
Then patterns cover at least 99% of the test FS size in the guest's memory 4.082

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

When I umount "/mnt" 1.159
Then I find very few patterns in the guest's memory after 3 seconds 6.828

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:330 0.759
After features/support/hooks.rb:100 0.000
51.960
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 8.640
And I prepare Tails for memory erasure tests 0.439
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.319
Then I find very few patterns in the guest's memory 3.914

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.851
Then patterns cover at least 75% of the test FS size in the guest's memory 4.199

Pattern coverage: 91.128% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.060
Then I find very few patterns in the guest's memory after 3 seconds 6.651

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

# read cache
When I mount the USB drive again 0.220
And I read the content of the test FS 2.560
Then patterns cover at least 99% of the test FS size in the guest's memory 3.910

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

When I umount the USB drive 0.574
Then I find very few patterns in the guest's memory after 3 seconds 6.616

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:330 0.747
After features/support/hooks.rb:100 0.000
1:17.132
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 8.201
And I prepare Tails for memory erasure tests 0.396
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.173
Then I find very few patterns in the guest's memory 3.116

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

# write cache
When I fill the USB drive with a known pattern 1.832
Then patterns cover at least 99% of the test FS size in the guest's memory 3.753

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

When I umount the USB drive 0.838
Then I find very few patterns in the guest's memory after 3 seconds 6.335

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

# read cache
When I mount the USB drive again 4.540
And I read the content of the test FS 1.672
Then patterns cover at least 99% of the test FS size in the guest's memory 3.475

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.662
Then I find very few patterns in the guest's memory after 3 seconds 6.134

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

After features/support/hooks.rb:330 1.623
After features/support/hooks.rb:100 0.000
49.728
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 8.170
And I prepare Tails for memory erasure tests 0.410
When I fill a 128 MiB file with a known pattern on the root filesystem 14.271
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.983
Then patterns cover at least 128 MiB in the guest's memory 3.969

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

When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.907

Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)

After features/support/hooks.rb:330 3.529
After features/support/hooks.rb:100 0.000
7:57.395
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 7:9.897
And I prepare Tails for memory erasure tests 0.553
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.688
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.238

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

After features/support/hooks.rb:330 3.524
After features/support/hooks.rb:100 0.012