Project Number Date
test_Tails_ISO_20816-block-paths-bwrap 19 22 Mar 2025, 06:19

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 10:52.142 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.
23.945
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 10.547
And I prepare Tails for memory erasure tests 0.487
When I start a process allocating 128 MiB of memory with a known pattern 1.258
Then patterns cover at least 128 MiB in the guest's memory 3.299

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

When I kill the allocating process 0.604
Then I find very few patterns in the guest's memory after 5 seconds 7.747

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

After features/support/hooks.rb:330 0.770
After features/support/hooks.rb:100 0.000
23.248
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 8.132
And I prepare Tails for memory erasure tests 0.459
And I find very few patterns in the guest's memory 2.663

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.003
Then patterns cover at least 99% of the test FS size in the guest's memory 3.203

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

When I umount "/mnt" 0.431
Then I find very few patterns in the guest's memory after 3 seconds 6.355

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

After features/support/hooks.rb:330 0.828
After features/support/hooks.rb:100 0.000
48.508
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 7.882
And I prepare Tails for memory erasure tests 0.437
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.002
Then I find very few patterns in the guest's memory 3.712

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

# write cache
When I fill the USB drive with a known pattern 2.608
Then patterns cover at least 75% of the test FS size in the guest's memory 4.135

Pattern coverage: 88.655% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.411
Then I find very few patterns in the guest's memory after 3 seconds 6.599

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

# read cache
When I mount the USB drive again 0.202
And I read the content of the test FS 0.652
Then patterns cover at least 99% of the test FS size in the guest's memory 3.852

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

When I umount the USB drive 0.445
Then I find very few patterns in the guest's memory after 3 seconds 6.566

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

After features/support/hooks.rb:330 0.792
After features/support/hooks.rb:100 0.000
1:14.268
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 7.906
And I prepare Tails for memory erasure tests 0.488
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.991
Then I find very few patterns in the guest's memory 2.293

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.682
Then patterns cover at least 99% of the test FS size in the guest's memory 2.572

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

When I umount the USB drive 0.859
Then I find very few patterns in the guest's memory after 3 seconds 5.537

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

# read cache
When I mount the USB drive again 4.334
And I read the content of the test FS 0.384
Then patterns cover at least 99% of the test FS size in the guest's memory 2.876

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

When I umount the USB drive 1.661
Then I find very few patterns in the guest's memory after 3 seconds 5.679

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:330 1.784
After features/support/hooks.rb:100 0.000
50.608
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 7.939
And I prepare Tails for memory erasure tests 0.386
When I fill a 128 MiB file with a known pattern on the root filesystem 17.229
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.784
Then patterns cover at least 128 MiB in the guest's memory 2.509

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

When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 20.748

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:330 3.540
After features/support/hooks.rb:100 0.000
7:11.561
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:28.479
And I prepare Tails for memory erasure tests 0.429
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.492
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.148

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:330 3.489
After features/support/hooks.rb:100 0.010