Project Number Date
test_Tails_ISO_20904-tor-browser-14.5-force-all-tests 10 27 Apr 2025, 14:43

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 11:37.436 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.
23.981
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 8.523
And I prepare Tails for memory erasure tests 0.427
When I start a process allocating 128 MiB of memory with a known pattern 1.342
Then patterns cover at least 128 MiB in the guest's memory 4.587

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

When I kill the allocating process 0.316
Then I find very few patterns in the guest's memory after 5 seconds 8.784

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:330 0.845
After features/support/hooks.rb:100 0.000
27.347
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 8.833
And I prepare Tails for memory erasure tests 0.474
And I find very few patterns in the guest's memory 4.738

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.661
Then patterns cover at least 99% of the test FS size in the guest's memory 4.171

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

When I umount "/mnt" 0.448
Then I find very few patterns in the guest's memory after 3 seconds 7.019

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:330 3.566
After features/support/hooks.rb:100 0.000
48.019
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 8.387
And I prepare Tails for memory erasure tests 0.449
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.874
Then I find very few patterns in the guest's memory 3.462

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.162
Then patterns cover at least 75% of the test FS size in the guest's memory 4.406

Pattern coverage: 86.059% (109 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.756
Then I find very few patterns in the guest's memory after 3 seconds 6.543

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

# read cache
When I mount the USB drive again 0.291
And I read the content of the test FS 0.661
Then patterns cover at least 99% of the test FS size in the guest's memory 3.946

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

When I umount the USB drive 0.388
Then I find very few patterns in the guest's memory after 3 seconds 6.690

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:330 1.016
After features/support/hooks.rb:100 0.000
1:18.586
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 8.420
And I prepare Tails for memory erasure tests 0.407
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.735
Then I find very few patterns in the guest's memory 3.253

Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.081
Then patterns cover at least 99% of the test FS size in the guest's memory 3.746

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

When I umount the USB drive 0.772
Then I find very few patterns in the guest's memory after 3 seconds 6.498

Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)

# read cache
When I mount the USB drive again 4.228
And I read the content of the test FS 0.451
Then patterns cover at least 99% of the test FS size in the guest's memory 3.393

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

When I umount the USB drive 0.754
Then I find very few patterns in the guest's memory after 3 seconds 5.841

Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)

After features/support/hooks.rb:330 1.762
After features/support/hooks.rb:100 0.000
53.747
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 8.484
And I prepare Tails for memory erasure tests 0.465
When I fill a 128 MiB file with a known pattern on the root filesystem 17.959
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.216
Then patterns cover at least 128 MiB in the guest's memory 3.272

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

When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.333

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

After features/support/hooks.rb:330 3.504
After features/support/hooks.rb:100 0.000
7:45.753
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 7:0.229
And I prepare Tails for memory erasure tests 0.729
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.471
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.306

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

After features/support/hooks.rb:330 3.500
After features/support/hooks.rb:100 0.011