Project Number Date
test_Tails_ISO_20860-unsafe-browser-desktop-portals 5 10 May 2025, 20:51

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 11:27.068 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.
24.928
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 8.843
And I prepare Tails for memory erasure tests 0.551
When I start a process allocating 128 MiB of memory with a known pattern 2.383
Then patterns cover at least 128 MiB in the guest's memory 3.571

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

When I kill the allocating process 0.989
Then I find very few patterns in the guest's memory after 5 seconds 8.587

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:330 0.689
After features/support/hooks.rb:100 0.000
25.337
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 8.010
And I prepare Tails for memory erasure tests 0.415
And I find very few patterns in the guest's memory 3.689

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.941
Then patterns cover at least 99% of the test FS size in the guest's memory 4.045

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

When I umount "/mnt" 0.528
Then I find very few patterns in the guest's memory after 3 seconds 6.706

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:330 0.608
After features/support/hooks.rb:100 0.000
52.998
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 8.455
And I prepare Tails for memory erasure tests 0.603
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.157
Then I find very few patterns in the guest's memory 3.988

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 5.606
Then patterns cover at least 75% of the test FS size in the guest's memory 4.387

Pattern coverage: 92.619% (118 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.512
Then I find very few patterns in the guest's memory after 3 seconds 6.691

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

# read cache
When I mount the USB drive again 0.215
And I read the content of the test FS 0.995
Then patterns cover at least 99% of the test FS size in the guest's memory 3.957

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

When I umount the USB drive 0.485
Then I find very few patterns in the guest's memory after 3 seconds 5.941

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:330 1.029
After features/support/hooks.rb:100 0.001
1:13.814
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 8.712
And I prepare Tails for memory erasure tests 0.525
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.780
Then I find very few patterns in the guest's memory 3.043

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

# write cache
When I fill the USB drive with a known pattern 1.598
Then patterns cover at least 99% of the test FS size in the guest's memory 3.449

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

When I umount the USB drive 1.387
Then I find very few patterns in the guest's memory after 3 seconds 5.869

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

# read cache
When I mount the USB drive again 3.910
And I read the content of the test FS 0.619
Then patterns cover at least 99% of the test FS size in the guest's memory 3.401

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

When I umount the USB drive 0.472
Then I find very few patterns in the guest's memory after 3 seconds 6.043

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

After features/support/hooks.rb:330 1.319
After features/support/hooks.rb:100 0.000
51.377
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 9.141
And I prepare Tails for memory erasure tests 0.606
When I fill a 128 MiB file with a known pattern on the root filesystem 15.482
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.015
Then patterns cover at least 128 MiB in the guest's memory 3.236

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.880

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:330 3.483
After features/support/hooks.rb:100 0.000
7:38.612
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:53.816
And I prepare Tails for memory erasure tests 0.456
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.037
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.285

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:330 3.523
After features/support/hooks.rb:100 0.012