Project Number Date
test_Tails_ISO_20668-unblock-20-time.sh 4 21 Nov 2024, 20:53

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 11:25.992 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.
25.108
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.622
And I prepare Tails for memory erasure tests 0.445
When I start a process allocating 128 MiB of memory with a known pattern 2.588
Then patterns cover at least 128 MiB in the guest's memory 4.776

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

When I kill the allocating process 1.878
Then I find very few patterns in the guest's memory after 3 seconds 6.797

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

After features/support/hooks.rb:326 0.854
After features/support/hooks.rb:100 0.000
27.573
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.234
And I prepare Tails for memory erasure tests 0.467
And I find very few patterns in the guest's memory 4.348

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.387
Then patterns cover at least 99% of the test FS size in the guest's memory 4.262

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

When I umount "/mnt" 1.101
Then I find very few patterns in the guest's memory after 3 seconds 6.771

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:326 0.908
After features/support/hooks.rb:100 0.000
52.049
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.832
And I prepare Tails for memory erasure tests 0.450
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.503
Then I find very few patterns in the guest's memory 3.842

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.928
Then patterns cover at least 75% of the test FS size in the guest's memory 4.075

Pattern coverage: 90.060% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.724
Then I find very few patterns in the guest's memory after 3 seconds 6.603

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# read cache
When I mount the USB drive again 0.272
And I read the content of the test FS 0.537
Then patterns cover at least 99% of the test FS size in the guest's memory 4.174

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

When I umount the USB drive 1.525
Then I find very few patterns in the guest's memory after 3 seconds 6.578

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:326 3.372
After features/support/hooks.rb:100 0.000
1:23.963
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.204
And I prepare Tails for memory erasure tests 0.425
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.917
Then I find very few patterns in the guest's memory 2.990

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.949
Then patterns cover at least 99% of the test FS size in the guest's memory 3.410

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

When I umount the USB drive 2.428
Then I find very few patterns in the guest's memory after 3 seconds 6.059

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

# read cache
When I mount the USB drive again 10.955
And I read the content of the test FS 0.602
Then patterns cover at least 99% of the test FS size in the guest's memory 3.763

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

When I umount the USB drive 0.922
Then I find very few patterns in the guest's memory after 3 seconds 6.333

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:326 2.816
After features/support/hooks.rb:100 0.000
51.503
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.095
And I prepare Tails for memory erasure tests 0.558
When I fill a 128 MiB file with a known pattern on the root filesystem 15.447
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.277
Then patterns cover at least 128 MiB in the guest's memory 3.338

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 20.774

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 3.522
After features/support/hooks.rb:100 0.000
7:25.794
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:40.656
And I prepare Tails for memory erasure tests 0.477
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.421
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.221

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

After features/support/hooks.rb:326 3.575
After features/support/hooks.rb:100 0.014