Project Number Date
test_Tails_ISO_20816-block-paths-bwrap 14 18 Mar 2025, 07:03

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 11:19.692 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.
23.916
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.042
And I prepare Tails for memory erasure tests 0.384
When I start a process allocating 128 MiB of memory with a known pattern 3.676
Then patterns cover at least 128 MiB in the guest's memory 3.652

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

When I kill the allocating process 0.229
Then I find very few patterns in the guest's memory after 5 seconds 7.931

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:330 1.158
After features/support/hooks.rb:100 0.000
24.556
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.965
And I prepare Tails for memory erasure tests 0.432
And I find very few patterns in the guest's memory 2.955

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.074
Then patterns cover at least 99% of the test FS size in the guest's memory 3.293

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

When I umount "/mnt" 1.325
Then I find very few patterns in the guest's memory after 3 seconds 6.508

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:330 0.745
After features/support/hooks.rb:100 0.000
50.971
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.144
And I prepare Tails for memory erasure tests 0.409
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.110
Then I find very few patterns in the guest's memory 2.768

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.723
Then patterns cover at least 75% of the test FS size in the guest's memory 5.022

Pattern coverage: 88.557% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.251
Then I find very few patterns in the guest's memory after 3 seconds 6.492

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

# read cache
When I mount the USB drive again 0.298
And I read the content of the test FS 1.459
Then patterns cover at least 99% of the test FS size in the guest's memory 3.924

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

When I umount the USB drive 0.737
Then I find very few patterns in the guest's memory after 3 seconds 6.630

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:330 1.624
After features/support/hooks.rb:100 0.000
1:16.880
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.262
And I prepare Tails for memory erasure tests 0.445
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.702
Then I find very few patterns in the guest's memory 2.730

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.110
Then patterns cover at least 99% of the test FS size in the guest's memory 2.904

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

When I umount the USB drive 0.965
Then I find very few patterns in the guest's memory after 3 seconds 5.444

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# read cache
When I mount the USB drive again 6.693
And I read the content of the test FS 0.445
Then patterns cover at least 99% of the test FS size in the guest's memory 3.399

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

When I umount the USB drive 0.805
Then I find very few patterns in the guest's memory after 3 seconds 5.969

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:330 1.789
After features/support/hooks.rb:100 0.000
48.068
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.166
And I prepare Tails for memory erasure tests 0.462
When I fill a 128 MiB file with a known pattern on the root filesystem 13.861
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.838
Then patterns cover at least 128 MiB in the guest's memory 2.927

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

When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.794

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

After features/support/hooks.rb:330 3.548
After features/support/hooks.rb:100 0.000
7:35.300
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:51.888
And I prepare Tails for memory erasure tests 0.493
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.766
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.139

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:330 3.471
After features/support/hooks.rb:100 0.011