Project Number Date
test_Tails_ISO_20263-remote-shell-debug-logging 14 14 Mar 2025, 22:44

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 12:15.203 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.
26.254
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 8.065
And I prepare Tails for memory erasure tests 0.412
When I start a process allocating 128 MiB of memory with a known pattern 2.556
Then patterns cover at least 128 MiB in the guest's memory 4.322

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

When I kill the allocating process 1.293
Then I find very few patterns in the guest's memory after 5 seconds 9.603

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

After features/support/hooks.rb:330 0.865
After features/support/hooks.rb:100 0.000
30.334
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 9.551
And I prepare Tails for memory erasure tests 0.681
And I find very few patterns in the guest's memory 7.213

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.496
Then patterns cover at least 99% of the test FS size in the guest's memory 4.172

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

When I umount "/mnt" 0.567
Then I find very few patterns in the guest's memory after 3 seconds 6.651

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

After features/support/hooks.rb:330 0.770
After features/support/hooks.rb:100 0.000
1:4.425
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 8.210
And I prepare Tails for memory erasure tests 0.540
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.509
Then I find very few patterns in the guest's memory 7.215

Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.584
Then patterns cover at least 75% of the test FS size in the guest's memory 8.734

Pattern coverage: 85.884% (109 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.703
Then I find very few patterns in the guest's memory after 3 seconds 8.448

Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)

# read cache
When I mount the USB drive again 0.339
And I read the content of the test FS 0.640
Then patterns cover at least 99% of the test FS size in the guest's memory 4.974

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

When I umount the USB drive 0.483
Then I find very few patterns in the guest's memory after 3 seconds 8.038

Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)

After features/support/hooks.rb:330 0.960
After features/support/hooks.rb:100 0.000
1:17.721
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 8.267
And I prepare Tails for memory erasure tests 0.483
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.678
Then I find very few patterns in the guest's memory 3.235

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

# write cache
When I fill the USB drive with a known pattern 2.520
Then patterns cover at least 99% of the test FS size in the guest's memory 3.677

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

When I umount the USB drive 1.055
Then I find very few patterns in the guest's memory after 3 seconds 6.126

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

# read cache
When I mount the USB drive again 5.022
And I read the content of the test FS 0.456
Then patterns cover at least 99% of the test FS size in the guest's memory 4.454

Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 1.601
Then I find very few patterns in the guest's memory after 3 seconds 6.141

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

After features/support/hooks.rb:330 3.100
After features/support/hooks.rb:100 0.000
53.608
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 10.485
And I prepare Tails for memory erasure tests 0.476
When I fill a 128 MiB file with a known pattern on the root filesystem 16.197
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.221
Then patterns cover at least 128 MiB in the guest's memory 3.313

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

When I trigger shutdown 0.054
Then I find very few patterns in the guest's memory after 20 seconds 20.858

Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)

After features/support/hooks.rb:330 3.686
After features/support/hooks.rb:100 0.000
8:2.858
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 7:19.627
And I prepare Tails for memory erasure tests 0.454
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.398
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.362

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

After features/support/hooks.rb:330 3.593
After features/support/hooks.rb:100 0.012