Project Number Date
test_Tails_ISO_20263-remote-shell-debug-logging 5 06 Mar 2025, 15:27

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 11:24.564 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.
23.215
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 8.157
And I prepare Tails for memory erasure tests 0.422
When I start a process allocating 128 MiB of memory with a known pattern 2.337
Then patterns cover at least 128 MiB in the guest's memory 3.830

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

When I kill the allocating process 0.209
Then I find very few patterns in the guest's memory after 5 seconds 8.257

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

After features/support/hooks.rb:330 0.889
After features/support/hooks.rb:100 0.000
24.574
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 8.066
And I prepare Tails for memory erasure tests 0.477
And I find very few patterns in the guest's memory 3.314

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.985
Then patterns cover at least 99% of the test FS size in the guest's memory 3.699

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

When I umount "/mnt" 0.835
Then I find very few patterns in the guest's memory after 3 seconds 6.195

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:330 0.841
After features/support/hooks.rb:100 0.000
48.405
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 7.932
And I prepare Tails for memory erasure tests 0.420
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.008
Then I find very few patterns in the guest's memory 3.613

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

# write cache
When I fill the USB drive with a known pattern 2.751
Then patterns cover at least 75% of the test FS size in the guest's memory 3.554

Pattern coverage: 86.267% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.590
Then I find very few patterns in the guest's memory after 3 seconds 6.511

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

# read cache
When I mount the USB drive again 0.287
And I read the content of the test FS 1.208
Then patterns cover at least 99% of the test FS size in the guest's memory 3.585

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

When I umount the USB drive 0.584
Then I find very few patterns in the guest's memory after 3 seconds 6.356

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

After features/support/hooks.rb:330 1.172
After features/support/hooks.rb:100 0.000
1:14.111
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 8.159
And I prepare Tails for memory erasure tests 0.451
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.154
Then I find very few patterns in the guest's memory 3.062

Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.107
Then patterns cover at least 99% of the test FS size in the guest's memory 3.284

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

When I umount the USB drive 1.204
Then I find very few patterns in the guest's memory after 3 seconds 6.418

Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)

# read cache
When I mount the USB drive again 5.664
And I read the content of the test FS 0.500
Then patterns cover at least 99% of the test FS size in the guest's memory 3.421

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

When I umount the USB drive 0.770
Then I find very few patterns in the guest's memory after 3 seconds 5.911

Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)

After features/support/hooks.rb:330 1.330
After features/support/hooks.rb:100 0.000
1:3.564
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 21.303
And I prepare Tails for memory erasure tests 0.402
When I fill a 128 MiB file with a known pattern on the root filesystem 16.260
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.690
Then patterns cover at least 128 MiB in the guest's memory 2.979

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

When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.914

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

After features/support/hooks.rb:330 3.492
After features/support/hooks.rb:100 0.000
7:30.692
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 6:41.459
And I prepare Tails for memory erasure tests 0.557
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.454
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.204

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

After features/support/hooks.rb:330 3.525
After features/support/hooks.rb:100 0.011