Project Number Date
test_Tails_ISO_20861-allow-close-zenity-exit-code 1 31 Mar 2025, 19:38

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 11:24.776 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.
24.324
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 9.080
And I prepare Tails for memory erasure tests 0.434
When I start a process allocating 128 MiB of memory with a known pattern 2.503
Then patterns cover at least 128 MiB in the guest's memory 3.744

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

When I kill the allocating process 0.560
Then I find very few patterns in the guest's memory after 5 seconds 8.000

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

After features/support/hooks.rb:330 0.841
After features/support/hooks.rb:100 0.000
26.599
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 9.525
And I prepare Tails for memory erasure tests 0.672
And I find very few patterns in the guest's memory 3.459

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.788
Then patterns cover at least 99% of the test FS size in the guest's memory 4.075

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

When I umount "/mnt" 0.439
Then I find very few patterns in the guest's memory after 3 seconds 6.637

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:330 0.868
After features/support/hooks.rb:100 0.000
51.196
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 8.528
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.114
Then I find very few patterns in the guest's memory 3.791

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.499
Then patterns cover at least 75% of the test FS size in the guest's memory 4.232

Pattern coverage: 88.024% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.443
Then I find very few patterns in the guest's memory after 3 seconds 6.674

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

# read cache
When I mount the USB drive again 0.236
And I read the content of the test FS 0.867
Then patterns cover at least 99% of the test FS size in the guest's memory 4.092

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

When I umount the USB drive 0.706
Then I find very few patterns in the guest's memory after 3 seconds 7.564

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:330 0.938
After features/support/hooks.rb:100 0.000
1:13.560
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 8.366
And I prepare Tails for memory erasure tests 0.476
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.041
Then I find very few patterns in the guest's memory 2.494

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.694
Then patterns cover at least 99% of the test FS size in the guest's memory 2.840

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

When I umount the USB drive 0.650
Then I find very few patterns in the guest's memory after 3 seconds 6.377

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

# read cache
When I mount the USB drive again 4.381
And I read the content of the test FS 0.388
Then patterns cover at least 99% of the test FS size in the guest's memory 3.434

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

When I umount the USB drive 0.532
Then I find very few patterns in the guest's memory after 3 seconds 5.880

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:330 1.248
After features/support/hooks.rb:100 0.000
48.450
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 8.374
And I prepare Tails for memory erasure tests 0.439
When I fill a 128 MiB file with a known pattern on the root filesystem 13.961
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.793
Then patterns cover at least 128 MiB in the guest's memory 2.966

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.901

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

After features/support/hooks.rb:330 3.499
After features/support/hooks.rb:100 0.000
7:40.646
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:54.485
And I prepare Tails for memory erasure tests 0.442
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.269
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.432

Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)

After features/support/hooks.rb:330 3.565
After features/support/hooks.rb:100 0.023