Project Number Date
test_Tails_ISO_20860-unsafe-browser-desktop-portals 1 07 May 2025, 19:34

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 11:12.253 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.
24.351
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 8.520
And I prepare Tails for memory erasure tests 0.514
When I start a process allocating 128 MiB of memory with a known pattern 2.356
Then patterns cover at least 128 MiB in the guest's memory 3.756

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

When I kill the allocating process 1.082
Then I find very few patterns in the guest's memory after 5 seconds 8.121

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

After features/support/hooks.rb:330 0.658
After features/support/hooks.rb:100 0.000
24.585
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 8.055
And I prepare Tails for memory erasure tests 0.565
And I find very few patterns in the guest's memory 3.826

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.121
Then patterns cover at least 99% of the test FS size in the guest's memory 3.325

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

When I umount "/mnt" 0.653
Then I find very few patterns in the guest's memory after 3 seconds 6.037

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

After features/support/hooks.rb:330 0.618
After features/support/hooks.rb:100 0.000
46.362
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 8.213
And I prepare Tails for memory erasure tests 0.497
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.096
Then I find very few patterns in the guest's memory 3.329

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.464
Then patterns cover at least 75% of the test FS size in the guest's memory 3.463

Pattern coverage: 91.627% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.995
Then I find very few patterns in the guest's memory after 3 seconds 6.064

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

# read cache
When I mount the USB drive again 0.189
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 3.412

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

When I umount the USB drive 0.420
Then I find very few patterns in the guest's memory after 3 seconds 6.565

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:330 0.930
After features/support/hooks.rb:100 0.000
1:15.236
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 8.293
And I prepare Tails for memory erasure tests 0.622
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.001
Then I find very few patterns in the guest's memory 2.693

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.565
Then patterns cover at least 99% of the test FS size in the guest's memory 3.143

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

When I umount the USB drive 0.698
Then I find very few patterns in the guest's memory after 3 seconds 5.669

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# read cache
When I mount the USB drive again 4.145
And I read the content of the test FS 0.452
Then patterns cover at least 99% of the test FS size in the guest's memory 2.862

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

When I umount the USB drive 0.466
Then I find very few patterns in the guest's memory after 3 seconds 5.621

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:330 1.195
After features/support/hooks.rb:100 0.000
47.982
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 7.994
And I prepare Tails for memory erasure tests 0.555
When I fill a 128 MiB file with a known pattern on the root filesystem 14.140
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.713
Then patterns cover at least 128 MiB in the guest's memory 2.831

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 20.729

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

After features/support/hooks.rb:330 3.558
After features/support/hooks.rb:100 0.000
7:33.733
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 6:45.196
And I prepare Tails for memory erasure tests 0.453
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.865
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.205

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

After features/support/hooks.rb:330 3.693
After features/support/hooks.rb:100 0.010