Project Number Date
test_Tails_ISO_20522-ocr-more 29 07 Jan 2025, 06:56

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 11:29.607 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.
22.847
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.213
And I prepare Tails for memory erasure tests 0.434
When I start a process allocating 128 MiB of memory with a known pattern 1.199
Then patterns cover at least 128 MiB in the guest's memory 4.383

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

When I kill the allocating process 1.895
Then I find very few patterns in the guest's memory after 3 seconds 6.721

Pattern coverage: 0.000% (0 MiB out of 693 MiB reference memory)

After features/support/hooks.rb:326 0.812
After features/support/hooks.rb:100 0.000
25.158
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.768
And I prepare Tails for memory erasure tests 0.454
And I find very few patterns in the guest's memory 3.773

Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.357
Then patterns cover at least 99% of the test FS size in the guest's memory 4.049

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

When I umount "/mnt" 0.653
Then I find very few patterns in the guest's memory after 3 seconds 6.102

Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)

After features/support/hooks.rb:326 0.746
After features/support/hooks.rb:100 0.000
48.986
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.534
And I prepare Tails for memory erasure tests 0.464
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.032
Then I find very few patterns in the guest's memory 3.417

Pattern coverage: 0.000% (0 MiB out of 689 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.274
Then patterns cover at least 75% of the test FS size in the guest's memory 3.729

Pattern coverage: 80.291% (102 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.214
Then I find very few patterns in the guest's memory after 3 seconds 6.173

Pattern coverage: 0.000% (0 MiB out of 689 MiB reference memory)

# read cache
When I mount the USB drive again 0.244
And I read the content of the test FS 0.784
Then patterns cover at least 99% of the test FS size in the guest's memory 4.051

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

When I umount the USB drive 0.593
Then I find very few patterns in the guest's memory after 3 seconds 6.472

Pattern coverage: 0.000% (0 MiB out of 689 MiB reference memory)

After features/support/hooks.rb:326 0.925
After features/support/hooks.rb:100 0.000
1:17.249
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.714
And I prepare Tails for memory erasure tests 0.444
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.361
Then I find very few patterns in the guest's memory 2.833

Pattern coverage: 0.000% (0 MiB out of 696 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.986
Then patterns cover at least 99% of the test FS size in the guest's memory 3.059

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

When I umount the USB drive 0.886
Then I find very few patterns in the guest's memory after 3 seconds 5.886

Pattern coverage: 0.000% (0 MiB out of 696 MiB reference memory)

# read cache
When I mount the USB drive again 4.951
And I read the content of the test FS 0.405
Then patterns cover at least 99% of the test FS size in the guest's memory 3.184

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

When I umount the USB drive 0.714
Then I find very few patterns in the guest's memory after 3 seconds 5.821

Pattern coverage: 0.000% (0 MiB out of 696 MiB reference memory)

After features/support/hooks.rb:326 1.258
After features/support/hooks.rb:100 0.000
53.480
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.351
And I prepare Tails for memory erasure tests 0.492
When I fill a 128 MiB file with a known pattern on the root filesystem 18.409
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.555
Then patterns cover at least 128 MiB in the guest's memory 3.671

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 20.983

Pattern coverage: 0.000% (0 MiB out of 687 MiB reference memory)

After features/support/hooks.rb:326 3.515
After features/support/hooks.rb:100 0.000
7:41.884
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 6:54.882
And I prepare Tails for memory erasure tests 0.606
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.136
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.246

Pattern coverage: 0.000% (0 MiB out of 732 MiB reference memory)

After features/support/hooks.rb:326 3.529
After features/support/hooks.rb:100 0.041