Project Number Date
test_Tails_ISO_18530-do-not-restart-tor 14 21 Nov 2024, 10:37

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 11:50.905 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.
24.209
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 8.279
And I prepare Tails for memory erasure tests 0.619
When I start a process allocating 128 MiB of memory with a known pattern 3.409
Then patterns cover at least 128 MiB in the guest's memory 3.808

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

When I kill the allocating process 2.049
Then I find very few patterns in the guest's memory after 3 seconds 6.043

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:326 1.795
After features/support/hooks.rb:100 0.000
32.507
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.691
And I prepare Tails for memory erasure tests 0.531
And I find very few patterns in the guest's memory 3.229

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.178
Then patterns cover at least 99% of the test FS size in the guest's memory 6.980

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

When I umount "/mnt" 1.169
Then I find very few patterns in the guest's memory after 3 seconds 9.725

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:326 0.873
After features/support/hooks.rb:100 0.000
54.659
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.202
And I prepare Tails for memory erasure tests 0.455
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.206
Then I find very few patterns in the guest's memory 3.464

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 5.593
Then patterns cover at least 75% of the test FS size in the guest's memory 4.942

Pattern coverage: 91.563% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.902
Then I find very few patterns in the guest's memory after 3 seconds 7.212

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

# read cache
When I mount the USB drive again 0.340
And I read the content of the test FS 1.381
Then patterns cover at least 99% of the test FS size in the guest's memory 3.742

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

When I umount the USB drive 0.571
Then I find very few patterns in the guest's memory after 3 seconds 6.644

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:326 1.149
After features/support/hooks.rb:100 0.000
1:19.215
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.564
And I prepare Tails for memory erasure tests 0.584
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.994
Then I find very few patterns in the guest's memory 3.150

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

# write cache
When I fill the USB drive with a known pattern 2.118
Then patterns cover at least 99% of the test FS size in the guest's memory 3.540

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

When I umount the USB drive 1.099
Then I find very few patterns in the guest's memory after 3 seconds 6.045

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

# read cache
When I mount the USB drive again 5.756
And I read the content of the test FS 0.456
Then patterns cover at least 99% of the test FS size in the guest's memory 3.702

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

When I umount the USB drive 0.646
Then I find very few patterns in the guest's memory after 3 seconds 6.554

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

After features/support/hooks.rb:326 0.874
After features/support/hooks.rb:100 0.000
51.718
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.661
And I prepare Tails for memory erasure tests 0.637
When I fill a 128 MiB file with a known pattern on the root filesystem 14.704
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.383
Then patterns cover at least 128 MiB in the guest's memory 2.571

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 20.744

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:326 3.582
After features/support/hooks.rb:100 0.000
7:48.594
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:2.737
And I prepare Tails for memory erasure tests 1.648
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.935
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.258

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

After features/support/hooks.rb:326 3.484
After features/support/hooks.rb:100 0.012