Project Number Date
test_Tails_ISO_20522-ocr-more 44 29 Jan 2025, 05:24

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 11:17.266 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.
25.387
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.107
And I prepare Tails for memory erasure tests 0.564
When I start a process allocating 128 MiB of memory with a known pattern 2.309
Then patterns cover at least 128 MiB in the guest's memory 4.972

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

When I kill the allocating process 1.012
Then I find very few patterns in the guest's memory after 5 seconds 8.421

Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)

After features/support/hooks.rb:326 0.994
After features/support/hooks.rb:100 0.000
25.084
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.969
And I prepare Tails for memory erasure tests 0.447
And I find very few patterns in the guest's memory 2.898

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.414
Then patterns cover at least 99% of the test FS size in the guest's memory 3.095

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

When I umount "/mnt" 1.317
Then I find very few patterns in the guest's memory after 3 seconds 6.941

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

After features/support/hooks.rb:326 0.902
After features/support/hooks.rb:100 0.000
49.854
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.174
And I prepare Tails for memory erasure tests 0.417
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.175
Then I find very few patterns in the guest's memory 2.822

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.558
Then patterns cover at least 75% of the test FS size in the guest's memory 3.173

Pattern coverage: 89.200% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.161
Then I find very few patterns in the guest's memory after 3 seconds 5.950

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

# read cache
When I mount the USB drive again 0.270
And I read the content of the test FS 1.156
Then patterns cover at least 99% of the test FS size in the guest's memory 4.109

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

When I umount the USB drive 2.041
Then I find very few patterns in the guest's memory after 3 seconds 5.842

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:326 0.944
After features/support/hooks.rb:100 0.000
1:14.336
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.947
And I prepare Tails for memory erasure tests 0.489
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.967
Then I find very few patterns in the guest's memory 2.609

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

# write cache
When I fill the USB drive with a known pattern 2.504
Then patterns cover at least 99% of the test FS size in the guest's memory 2.487

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

When I umount the USB drive 1.036
Then I find very few patterns in the guest's memory after 3 seconds 5.425

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

# read cache
When I mount the USB drive again 5.652
And I read the content of the test FS 0.366
Then patterns cover at least 99% of the test FS size in the guest's memory 2.789

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

When I umount the USB drive 0.657
Then I find very few patterns in the guest's memory after 3 seconds 5.402

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

After features/support/hooks.rb:326 0.902
After features/support/hooks.rb:100 0.000
50.309
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.017
And I prepare Tails for memory erasure tests 0.573
When I fill a 128 MiB file with a known pattern on the root filesystem 16.846
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.701
Then patterns cover at least 128 MiB in the guest's memory 2.409

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 20.745

Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)

After features/support/hooks.rb:326 3.516
After features/support/hooks.rb:100 0.000
7:32.293
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 6:49.848
And I prepare Tails for memory erasure tests 0.421
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.880
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.130

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:326 3.501
After features/support/hooks.rb:100 0.011