Project Number Date
test_Tails_ISO_20522-ocr-more 20 29 Dec 2024, 05:23

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 10:41.047 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.
21.423
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.340
And I prepare Tails for memory erasure tests 0.514
When I start a process allocating 128 MiB of memory with a known pattern 1.220
Then patterns cover at least 128 MiB in the guest's memory 3.506

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

When I kill the allocating process 0.963
Then I find very few patterns in the guest's memory after 3 seconds 6.879

Pattern coverage: 0.000% (0 MiB out of 680 MiB reference memory)

After features/support/hooks.rb:326 0.821
After features/support/hooks.rb:100 0.000
23.854
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.110
And I prepare Tails for memory erasure tests 0.495
And I find very few patterns in the guest's memory 3.034

Pattern coverage: 0.000% (0 MiB out of 686 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.537
Then patterns cover at least 99% of the test FS size in the guest's memory 3.458

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

When I umount "/mnt" 1.106
Then I find very few patterns in the guest's memory after 3 seconds 6.111

Pattern coverage: 0.000% (0 MiB out of 686 MiB reference memory)

After features/support/hooks.rb:326 0.844
After features/support/hooks.rb:100 0.000
46.209
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.760
And I prepare Tails for memory erasure tests 0.525
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.072
Then I find very few patterns in the guest's memory 2.790

Pattern coverage: 0.000% (0 MiB out of 684 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.352
Then patterns cover at least 75% of the test FS size in the guest's memory 3.228

Pattern coverage: 81.044% (103 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.911
Then I find very few patterns in the guest's memory after 3 seconds 5.932

Pattern coverage: 0.000% (0 MiB out of 684 MiB reference memory)

# read cache
When I mount the USB drive again 0.316
And I read the content of the test FS 0.596
Then patterns cover at least 99% of the test FS size in the guest's memory 3.620

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

When I umount the USB drive 0.417
Then I find very few patterns in the guest's memory after 3 seconds 6.685

Pattern coverage: 0.001% (0 MiB out of 684 MiB reference memory)

After features/support/hooks.rb:326 0.810
After features/support/hooks.rb:100 0.000
1:15.744
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.068
And I prepare Tails for memory erasure tests 0.507
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.493
Then I find very few patterns in the guest's memory 2.689

Pattern coverage: 0.000% (0 MiB out of 679 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.900
Then patterns cover at least 99% of the test FS size in the guest's memory 2.799

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

When I umount the USB drive 1.441
Then I find very few patterns in the guest's memory after 3 seconds 5.413

Pattern coverage: 0.000% (0 MiB out of 679 MiB reference memory)

# read cache
When I mount the USB drive again 4.949
And I read the content of the test FS 0.461
Then patterns cover at least 99% of the test FS size in the guest's memory 2.873

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

When I umount the USB drive 0.658
Then I find very few patterns in the guest's memory after 3 seconds 5.486

Pattern coverage: 0.000% (0 MiB out of 679 MiB reference memory)

After features/support/hooks.rb:326 1.776
After features/support/hooks.rb:100 0.000
50.892
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.423
And I prepare Tails for memory erasure tests 0.469
When I fill a 128 MiB file with a known pattern on the root filesystem 13.964
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.110
Then patterns cover at least 128 MiB in the guest's memory 3.129

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.779

Pattern coverage: 0.000% (0 MiB out of 681 MiB reference memory)

After features/support/hooks.rb:326 3.545
After features/support/hooks.rb:100 0.000
7:2.922
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 6:18.502
And I prepare Tails for memory erasure tests 0.501
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.707
When I trigger shutdown 0.026
Then I find very few patterns in the guest's memory after 20 seconds 21.185

Pattern coverage: 0.000% (0 MiB out of 738 MiB reference memory)

After features/support/hooks.rb:326 3.565
After features/support/hooks.rb:100 0.011