Project Number Date
test_Tails_ISO_20263-remote-shell-debug-logging 1 05 Mar 2025, 21:16

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 11:48.033 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.
27.685
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails from DVD without network and logged in 8.891
And I prepare Tails for memory erasure tests 0.393
When I start a process allocating 128 MiB of memory with a known pattern 4.183
Then patterns cover at least 128 MiB in the guest's memory 4.118

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

When I kill the allocating process 1.335
Then I find very few patterns in the guest's memory after 5 seconds 8.762

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:330 0.713
After features/support/hooks.rb:100 0.000
29.413
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 8.817
And I prepare Tails for memory erasure tests 0.444
And I find very few patterns in the guest's memory 3.656

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.475
Then patterns cover at least 99% of the test FS size in the guest's memory 4.697

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

When I umount "/mnt" 0.728
Then I find very few patterns in the guest's memory after 3 seconds 8.593

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:330 1.448
After features/support/hooks.rb:100 0.000
57.087
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 11.529
And I prepare Tails for memory erasure tests 0.424
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.346
Then I find very few patterns in the guest's memory 3.192

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.834
Then patterns cover at least 75% of the test FS size in the guest's memory 3.230

Pattern coverage: 89.243% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 4.095
Then I find very few patterns in the guest's memory after 3 seconds 6.745

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# read cache
When I mount the USB drive again 0.321
And I read the content of the test FS 1.217
Then patterns cover at least 99% of the test FS size in the guest's memory 4.319

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

When I umount the USB drive 1.167
Then I find very few patterns in the guest's memory after 3 seconds 6.663

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:330 0.739
After features/support/hooks.rb:100 0.000
1:19.378
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 8.447
And I prepare Tails for memory erasure tests 0.504
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.273
Then I find very few patterns in the guest's memory 2.592

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

# write cache
When I fill the USB drive with a known pattern 1.822
Then patterns cover at least 99% of the test FS size in the guest's memory 2.800

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

When I umount the USB drive 1.418
Then I find very few patterns in the guest's memory after 3 seconds 6.060

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

# read cache
When I mount the USB drive again 5.619
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 3.414

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

When I umount the USB drive 1.766
Then I find very few patterns in the guest's memory after 3 seconds 6.044

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

After features/support/hooks.rb:330 1.840
After features/support/hooks.rb:100 0.000
51.401
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 8.397
And I prepare Tails for memory erasure tests 0.454
When I fill a 128 MiB file with a known pattern on the root filesystem 16.163
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.955
Then patterns cover at least 128 MiB in the guest's memory 3.603

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 20.813

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

After features/support/hooks.rb:330 3.718
After features/support/hooks.rb:100 0.000
7:43.067
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 6:53.051
And I prepare Tails for memory erasure tests 1.174
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.506
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.319

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

After features/support/hooks.rb:330 3.546
After features/support/hooks.rb:100 0.013