Project Number Date
test_Tails_ISO_20263-remote-shell-debug-logging 21 21 Mar 2025, 22:10

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 10:25.535 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.
21.731
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 7.744
And I prepare Tails for memory erasure tests 0.449
When I start a process allocating 128 MiB of memory with a known pattern 2.342
Then patterns cover at least 128 MiB in the guest's memory 3.093

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

When I kill the allocating process 0.200
Then I find very few patterns in the guest's memory after 5 seconds 7.902

Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)

After features/support/hooks.rb:330 0.793
After features/support/hooks.rb:100 0.000
24.032
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 7.814
And I prepare Tails for memory erasure tests 0.407
And I find very few patterns in the guest's memory 2.763

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.144
Then patterns cover at least 99% of the test FS size in the guest's memory 3.650

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

When I umount "/mnt" 0.625
Then I find very few patterns in the guest's memory after 3 seconds 6.628

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

After features/support/hooks.rb:330 0.689
After features/support/hooks.rb:100 0.000
46.387
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 7.806
And I prepare Tails for memory erasure tests 0.454
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.019
Then I find very few patterns in the guest's memory 3.106

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.820
Then patterns cover at least 75% of the test FS size in the guest's memory 3.919

Pattern coverage: 89.221% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.065
Then I find very few patterns in the guest's memory after 3 seconds 5.757

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

# read cache
When I mount the USB drive again 0.208
And I read the content of the test FS 0.647
Then patterns cover at least 99% of the test FS size in the guest's memory 3.800

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

When I umount the USB drive 0.336
Then I find very few patterns in the guest's memory after 3 seconds 6.445

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

After features/support/hooks.rb:330 0.854
After features/support/hooks.rb:100 0.000
1:7.870
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 7.764
And I prepare Tails for memory erasure tests 0.407
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.218
Then I find very few patterns in the guest's memory 2.385

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.556
Then patterns cover at least 99% of the test FS size in the guest's memory 2.674

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

When I umount the USB drive 0.630
Then I find very few patterns in the guest's memory after 3 seconds 5.377

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

# read cache
When I mount the USB drive again 4.024
And I read the content of the test FS 0.410
Then patterns cover at least 99% of the test FS size in the guest's memory 2.874

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

When I umount the USB drive 0.475
Then I find very few patterns in the guest's memory after 3 seconds 5.070

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

After features/support/hooks.rb:330 1.036
After features/support/hooks.rb:100 0.000
49.340
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 7.851
And I prepare Tails for memory erasure tests 0.435
When I fill a 128 MiB file with a known pattern on the root filesystem 16.513
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.429
Then patterns cover at least 128 MiB in the guest's memory 2.423

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 20.672

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

After features/support/hooks.rb:330 3.514
After features/support/hooks.rb:100 0.000
6:56.173
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 6:10.349
And I prepare Tails for memory erasure tests 0.652
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.021
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.136

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

After features/support/hooks.rb:330 3.510
After features/support/hooks.rb:100 0.011