Project Number Date
test_Tails_ISO_18215-update-chutney-force-all-tests 25 05 Apr 2025, 13:57

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 12:33.051 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.
25.560
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 8.916
And I prepare Tails for memory erasure tests 0.762
When I start a process allocating 128 MiB of memory with a known pattern 2.429
Then patterns cover at least 128 MiB in the guest's memory 4.263

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

When I kill the allocating process 0.742
Then I find very few patterns in the guest's memory after 5 seconds 8.448

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:330 1.933
After features/support/hooks.rb:100 0.000
27.036
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 8.723
And I prepare Tails for memory erasure tests 0.802
And I find very few patterns in the guest's memory 3.853

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.962
Then patterns cover at least 99% of the test FS size in the guest's memory 3.986

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

When I umount "/mnt" 0.511
Then I find very few patterns in the guest's memory after 3 seconds 7.195

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:330 0.785
After features/support/hooks.rb:100 0.000
51.391
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 8.799
And I prepare Tails for memory erasure tests 0.820
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.356
Then I find very few patterns in the guest's memory 3.830

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

# write cache
When I fill the USB drive with a known pattern 2.976
Then patterns cover at least 75% of the test FS size in the guest's memory 4.246

Pattern coverage: 92.074% (117 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.200
Then I find very few patterns in the guest's memory after 3 seconds 7.028

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

# read cache
When I mount the USB drive again 0.285
And I read the content of the test FS 0.613
Then patterns cover at least 99% of the test FS size in the guest's memory 4.221

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

When I umount the USB drive 0.480
Then I find very few patterns in the guest's memory after 3 seconds 6.531

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

After features/support/hooks.rb:330 1.107
After features/support/hooks.rb:100 0.000
1:23.057
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 9.149
And I prepare Tails for memory erasure tests 0.625
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.449
Then I find very few patterns in the guest's memory 3.394

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.150
Then patterns cover at least 99% of the test FS size in the guest's memory 4.848

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

When I umount the USB drive 2.669
Then I find very few patterns in the guest's memory after 3 seconds 7.261

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

# read cache
When I mount the USB drive again 5.900
And I read the content of the test FS 0.463
Then patterns cover at least 99% of the test FS size in the guest's memory 2.936

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

When I umount the USB drive 0.506
Then I find very few patterns in the guest's memory after 3 seconds 5.701

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

After features/support/hooks.rb:330 2.797
After features/support/hooks.rb:100 0.000
49.554
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 8.987
And I prepare Tails for memory erasure tests 0.684
When I fill a 128 MiB file with a known pattern on the root filesystem 14.319
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.289
Then patterns cover at least 128 MiB in the guest's memory 2.489

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 20.768

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

After features/support/hooks.rb:330 3.775
After features/support/hooks.rb:100 0.000
8:36.451
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 7:49.681
And I prepare Tails for memory erasure tests 0.535
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.840
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.374

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

After features/support/hooks.rb:330 3.536
After features/support/hooks.rb:100 0.015