Project Number Date
test_Tails_ISO_feature-arti 29 14 Dec 2024, 16:29

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 11:50.996 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.
22.420
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.283
And I prepare Tails for memory erasure tests 0.425
When I start a process allocating 128 MiB of memory with a known pattern 2.625
Then patterns cover at least 128 MiB in the guest's memory 4.010

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

When I kill the allocating process 1.092
Then I find very few patterns in the guest's memory after 3 seconds 5.983

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

After features/support/hooks.rb:326 0.704
After features/support/hooks.rb:100 0.000
26.138
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.534
And I prepare Tails for memory erasure tests 0.579
And I find very few patterns in the guest's memory 3.043

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.838
Then patterns cover at least 99% of the test FS size in the guest's memory 4.015

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

When I umount "/mnt" 0.486
Then I find very few patterns in the guest's memory after 3 seconds 6.641

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

After features/support/hooks.rb:326 0.857
After features/support/hooks.rb:100 0.000
50.387
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.182
And I prepare Tails for memory erasure tests 0.481
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.141
Then I find very few patterns in the guest's memory 3.750

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.724
Then patterns cover at least 75% of the test FS size in the guest's memory 4.186

Pattern coverage: 90.363% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.786
Then I find very few patterns in the guest's memory after 3 seconds 6.659

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

# read cache
When I mount the USB drive again 0.301
And I read the content of the test FS 0.850
Then patterns cover at least 99% of the test FS size in the guest's memory 4.129

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

When I umount the USB drive 0.562
Then I find very few patterns in the guest's memory after 3 seconds 6.631

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

After features/support/hooks.rb:326 2.156
After features/support/hooks.rb:100 0.001
1:17.523
Before features/support/hooks.rb:269 0.012
Given I have started Tails from DVD without network and logged in 9.345
And I prepare Tails for memory erasure tests 0.602
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.566
Then I find very few patterns in the guest's memory 2.828

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.600
Then patterns cover at least 99% of the test FS size in the guest's memory 2.789

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

When I umount the USB drive 1.094
Then I find very few patterns in the guest's memory after 3 seconds 6.142

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

# read cache
When I mount the USB drive again 4.898
And I read the content of the test FS 0.562
Then patterns cover at least 99% of the test FS size in the guest's memory 2.714

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

When I umount the USB drive 0.629
Then I find very few patterns in the guest's memory after 3 seconds 5.747

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:326 1.509
After features/support/hooks.rb:100 0.000
51.465
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.134
And I prepare Tails for memory erasure tests 0.377
When I fill a 128 MiB file with a known pattern on the root filesystem 17.319
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.301
Then patterns cover at least 128 MiB in the guest's memory 2.479

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 20.840

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

After features/support/hooks.rb:326 3.542
After features/support/hooks.rb:100 0.000
8:3.060
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 7:15.168
And I prepare Tails for memory erasure tests 0.851
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.760
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.267

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

After features/support/hooks.rb:326 3.525
After features/support/hooks.rb:100 0.013