Project Number Date
test_Tails_ISO_20522-ocr-more 40 25 Jan 2025, 05:11

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 10:55.618 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.
22.538
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.810
And I prepare Tails for memory erasure tests 0.424
When I start a process allocating 128 MiB of memory with a known pattern 2.275
Then patterns cover at least 128 MiB in the guest's memory 3.170

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

When I kill the allocating process 1.188
Then I find very few patterns in the guest's memory after 5 seconds 7.668

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

After features/support/hooks.rb:326 0.791
After features/support/hooks.rb:100 0.000
27.428
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.746
And I prepare Tails for memory erasure tests 0.393
And I find very few patterns in the guest's memory 2.873

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.017
Then patterns cover at least 99% of the test FS size in the guest's memory 3.583

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

When I umount "/mnt" 1.029
Then I find very few patterns in the guest's memory after 3 seconds 6.784

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

After features/support/hooks.rb:326 0.799
After features/support/hooks.rb:100 0.000
45.916
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.815
And I prepare Tails for memory erasure tests 0.441
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.072
Then I find very few patterns in the guest's memory 3.162

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.549
Then patterns cover at least 75% of the test FS size in the guest's memory 3.193

Pattern coverage: 88.572% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.904
Then I find very few patterns in the guest's memory after 3 seconds 5.822

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# read cache
When I mount the USB drive again 0.285
And I read the content of the test FS 0.626
Then patterns cover at least 99% of the test FS size in the guest's memory 3.618

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

When I umount the USB drive 0.832
Then I find very few patterns in the guest's memory after 3 seconds 6.591

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:326 0.828
After features/support/hooks.rb:100 0.000
1:13.512
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.953
And I prepare Tails for memory erasure tests 0.514
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.607
Then I find very few patterns in the guest's memory 2.340

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.619
Then patterns cover at least 99% of the test FS size in the guest's memory 2.634

Pattern coverage: 106.113% (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 5.123

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

# read cache
When I mount the USB drive again 9.461
And I read the content of the test FS 0.649
Then patterns cover at least 99% of the test FS size in the guest's memory 2.676

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.670
Then I find very few patterns in the guest's memory after 3 seconds 5.337

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:326 1.062
After features/support/hooks.rb:100 0.000
51.380
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.927
And I prepare Tails for memory erasure tests 0.412
When I fill a 128 MiB file with a known pattern on the root filesystem 18.091
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.779
Then patterns cover at least 128 MiB in the guest's memory 2.397

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

When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.755

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:326 3.551
After features/support/hooks.rb:100 0.000
7:14.841
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 6:32.971
And I prepare Tails for memory erasure tests 0.620
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.077
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.158

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:326 3.477
After features/support/hooks.rb:100 0.011