Project Number Date
test_Tails_ISO_test-suite-options 18 04 Jul 2025, 21:06

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 20:29.787 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.
37.091
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.016
Given I have started Tails from DVD without network and logged in 8.707
And I prepare Tails for memory erasure tests 0.616
When I start a process allocating 128 MiB of memory with a known pattern 2.964
Then patterns cover at least 128 MiB in the guest's memory 10.619

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

When I kill the allocating process 0.764
Then I find very few patterns in the guest's memory after 5 seconds 13.418

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

After features/support/hooks.rb:330 1.115
After features/support/hooks.rb:100 0.000
32.739
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 9.883
And I prepare Tails for memory erasure tests 0.433
And I find very few patterns in the guest's memory 8.505

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.046
Then patterns cover at least 99% of the test FS size in the guest's memory 3.656

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

When I umount "/mnt" 0.640
Then I find very few patterns in the guest's memory after 3 seconds 6.574

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

After features/support/hooks.rb:330 2.906
After features/support/hooks.rb:100 0.000
1:6.206
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.010
Given I have started Tails from DVD without network and logged in 12.324
And I prepare Tails for memory erasure tests 0.584
When I plug and mount a 128 MiB USB drive with a vfat filesystem 15.614
Then I find very few patterns in the guest's memory 2.619

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

# write cache
When I fill the USB drive with a known pattern 2.909
Then patterns cover at least 75% of the test FS size in the guest's memory 9.602

Pattern coverage: 91.575% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.302
Then I find very few patterns in the guest's memory after 3 seconds 5.620

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

# read cache
When I mount the USB drive again 0.334
And I read the content of the test FS 0.492
Then patterns cover at least 99% of the test FS size in the guest's memory 3.178

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

When I umount the USB drive 1.123
Then I find very few patterns in the guest's memory after 3 seconds 10.499

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

After features/support/hooks.rb:330 1.233
After features/support/hooks.rb:100 0.001
1:48.278
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.014
Given I have started Tails from DVD without network and logged in 9.154
And I prepare Tails for memory erasure tests 0.641
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 56.339
Then I find very few patterns in the guest's memory 2.797

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

# write cache
When I fill the USB drive with a known pattern 5.747
Then patterns cover at least 99% of the test FS size in the guest's memory 5.703

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

When I umount the USB drive 0.712
Then I find very few patterns in the guest's memory after 3 seconds 6.009

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

# read cache
When I mount the USB drive again 9.025
And I read the content of the test FS 0.883
Then patterns cover at least 99% of the test FS size in the guest's memory 4.171

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

When I umount the USB drive 0.572
Then I find very few patterns in the guest's memory after 3 seconds 6.519

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

After features/support/hooks.rb:330 5.496
After features/support/hooks.rb:100 0.002
1:4.442
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.011
Given I have started Tails from DVD without network and logged in 11.895
And I prepare Tails for memory erasure tests 0.562
When I fill a 128 MiB file with a known pattern on the root filesystem 17.134
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.355
Then patterns cover at least 128 MiB in the guest's memory 9.113

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

When I trigger shutdown 0.031
Then I find very few patterns in the guest's memory after 20 seconds 21.349

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

After features/support/hooks.rb:330 3.692
After features/support/hooks.rb:100 0.000
15:21.028
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 14:25.082
And I prepare Tails for memory erasure tests 0.522
When I fill a 128 MiB file with a known pattern on the persistent filesystem 34.258
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.153

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:330 3.605
After features/support/hooks.rb:100 0.031