Project Number Date
test_Tails_ISO_20860-unsafe-browser-desktop-portals 3 08 May 2025, 23:28

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 11:17.259 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.
24.050
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 8.098
And I prepare Tails for memory erasure tests 0.418
When I start a process allocating 128 MiB of memory with a known pattern 2.443
Then patterns cover at least 128 MiB in the guest's memory 3.372

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

When I kill the allocating process 0.824
Then I find very few patterns in the guest's memory after 5 seconds 8.893

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:330 0.866
After features/support/hooks.rb:100 0.000
26.214
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 8.462
And I prepare Tails for memory erasure tests 0.394
And I find very few patterns in the guest's memory 3.896

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.950
Then patterns cover at least 99% of the test FS size in the guest's memory 4.405

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

When I umount "/mnt" 0.415
Then I find very few patterns in the guest's memory after 3 seconds 6.691

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

After features/support/hooks.rb:330 0.754
After features/support/hooks.rb:100 0.000
52.086
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 8.451
And I prepare Tails for memory erasure tests 0.454
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.283
Then I find very few patterns in the guest's memory 3.709

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

# write cache
When I fill the USB drive with a known pattern 3.096
Then patterns cover at least 75% of the test FS size in the guest's memory 4.157

Pattern coverage: 91.073% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.048
Then I find very few patterns in the guest's memory after 3 seconds 6.775

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

# read cache
When I mount the USB drive again 0.234
And I read the content of the test FS 2.712
Then patterns cover at least 99% of the test FS size in the guest's memory 3.993

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

When I umount the USB drive 0.522
Then I find very few patterns in the guest's memory after 3 seconds 6.646

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

After features/support/hooks.rb:330 0.885
After features/support/hooks.rb:100 0.000
1:16.392
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 8.290
And I prepare Tails for memory erasure tests 0.439
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.725
Then I find very few patterns in the guest's memory 2.464

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

# write cache
When I fill the USB drive with a known pattern 1.678
Then patterns cover at least 99% of the test FS size in the guest's memory 4.273

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

When I umount the USB drive 0.836
Then I find very few patterns in the guest's memory after 3 seconds 6.214

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

# read cache
When I mount the USB drive again 7.081
And I read the content of the test FS 0.673
Then patterns cover at least 99% of the test FS size in the guest's memory 3.601

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

When I umount the USB drive 0.967
Then I find very few patterns in the guest's memory after 3 seconds 6.145

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

After features/support/hooks.rb:330 1.506
After features/support/hooks.rb:100 0.000
51.604
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 8.213
And I prepare Tails for memory erasure tests 0.408
When I fill a 128 MiB file with a known pattern on the root filesystem 16.511
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.677
Then patterns cover at least 128 MiB in the guest's memory 2.959

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 20.817

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

After features/support/hooks.rb:330 3.507
After features/support/hooks.rb:100 0.000
7:26.910
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 6:42.667
And I prepare Tails for memory erasure tests 0.602
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.357
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.269

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

After features/support/hooks.rb:330 3.557
After features/support/hooks.rb:100 0.013