Project Number Date
test_Tails_ISO_20904-tor-browser-14.5-force-all-tests 6 24 Apr 2025, 21:38

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 12:9.561 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.
24.660
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 8.239
And I prepare Tails for memory erasure tests 0.660
When I start a process allocating 128 MiB of memory with a known pattern 2.337
Then patterns cover at least 128 MiB in the guest's memory 4.268

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

When I kill the allocating process 0.416
Then I find very few patterns in the guest's memory after 5 seconds 8.737

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:330 1.240
After features/support/hooks.rb:100 0.000
28.023
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 8.431
And I prepare Tails for memory erasure tests 0.748
And I find very few patterns in the guest's memory 3.771

Pattern coverage: 0.000% (0 MiB out of 889 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 4.100

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

When I umount "/mnt" 0.890
Then I find very few patterns in the guest's memory after 3 seconds 8.005

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:330 0.774
After features/support/hooks.rb:100 0.000
54.583
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 8.525
And I prepare Tails for memory erasure tests 0.699
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.246
Then I find very few patterns in the guest's memory 5.927

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

# write cache
When I fill the USB drive with a known pattern 3.335
Then patterns cover at least 75% of the test FS size in the guest's memory 5.057

Pattern coverage: 91.539% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.264
Then I find very few patterns in the guest's memory after 3 seconds 6.794

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

# read cache
When I mount the USB drive again 0.339
And I read the content of the test FS 0.551
Then patterns cover at least 99% of the test FS size in the guest's memory 4.311

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

When I umount the USB drive 0.724
Then I find very few patterns in the guest's memory after 3 seconds 6.806

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

After features/support/hooks.rb:330 0.792
After features/support/hooks.rb:100 0.000
1:20.162
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 8.932
And I prepare Tails for memory erasure tests 0.471
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.253
Then I find very few patterns in the guest's memory 3.184

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

# write cache
When I fill the USB drive with a known pattern 1.809
Then patterns cover at least 99% of the test FS size in the guest's memory 3.712

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

When I umount the USB drive 1.025
Then I find very few patterns in the guest's memory after 3 seconds 6.174

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

# read cache
When I mount the USB drive again 5.220
And I read the content of the test FS 0.789
Then patterns cover at least 99% of the test FS size in the guest's memory 3.750

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

When I umount the USB drive 0.730
Then I find very few patterns in the guest's memory after 3 seconds 6.108

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

After features/support/hooks.rb:330 1.193
After features/support/hooks.rb:100 0.000
1:3.437
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 21.836
And I prepare Tails for memory erasure tests 0.551
When I fill a 128 MiB file with a known pattern on the root filesystem 13.858
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.972
Then patterns cover at least 128 MiB in the guest's memory 3.341

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

When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.859

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:330 3.553
After features/support/hooks.rb:100 0.000
7:58.693
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:12.400
And I prepare Tails for memory erasure tests 0.413
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.314
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 22.552

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:330 3.879
After features/support/hooks.rb:100 0.011