Project Number Date
test_Tails_ISO_improved-new-identity-scenario 10 09 May 2025, 13:32

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 12:7.480 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.
25.763
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 8.621
And I prepare Tails for memory erasure tests 0.490
When I start a process allocating 128 MiB of memory with a known pattern 2.406
Then patterns cover at least 128 MiB in the guest's memory 4.579

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

When I kill the allocating process 1.197
Then I find very few patterns in the guest's memory after 5 seconds 8.468

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

After features/support/hooks.rb:330 0.983
After features/support/hooks.rb:100 0.000
27.054
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.983
And I prepare Tails for memory erasure tests 0.505
And I find very few patterns in the guest's memory 3.710

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.042
Then patterns cover at least 99% of the test FS size in the guest's memory 3.722

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

When I umount "/mnt" 0.679
Then I find very few patterns in the guest's memory after 3 seconds 7.409

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

After features/support/hooks.rb:330 1.176
After features/support/hooks.rb:100 0.000
50.583
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 8.704
And I prepare Tails for memory erasure tests 0.587
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.270
Then I find very few patterns in the guest's memory 3.794

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

# write cache
When I fill the USB drive with a known pattern 2.814
Then patterns cover at least 75% of the test FS size in the guest's memory 4.410

Pattern coverage: 88.535% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.197
Then I find very few patterns in the guest's memory after 3 seconds 6.775

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

# read cache
When I mount the USB drive again 0.265
And I read the content of the test FS 0.490
Then patterns cover at least 99% of the test FS size in the guest's memory 4.124

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

When I umount the USB drive 0.386
Then I find very few patterns in the guest's memory after 3 seconds 6.763

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

After features/support/hooks.rb:330 0.932
After features/support/hooks.rb:100 0.000
1:17.086
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 8.393
And I prepare Tails for memory erasure tests 0.450
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.906
Then I find very few patterns in the guest's memory 3.582

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

# write cache
When I fill the USB drive with a known pattern 2.187
Then patterns cover at least 99% of the test FS size in the guest's memory 3.815

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

When I umount the USB drive 0.883
Then I find very few patterns in the guest's memory after 3 seconds 6.118

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

# read cache
When I mount the USB drive again 4.442
And I read the content of the test FS 0.523
Then patterns cover at least 99% of the test FS size in the guest's memory 3.472

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

When I umount the USB drive 0.515
Then I find very few patterns in the guest's memory after 3 seconds 5.792

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

After features/support/hooks.rb:330 1.601
After features/support/hooks.rb:100 0.000
51.870
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 8.629
And I prepare Tails for memory erasure tests 0.460
When I fill a 128 MiB file with a known pattern on the root filesystem 17.071
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.710
Then patterns cover at least 128 MiB in the guest's memory 3.117

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

When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.864

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

After features/support/hooks.rb:330 3.667
After features/support/hooks.rb:100 0.000
8:15.121
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 7:28.274
And I prepare Tails for memory erasure tests 0.454
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.154
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 22.222

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

After features/support/hooks.rb:330 3.563
After features/support/hooks.rb:100 0.013