Project Number Date
test_Tails_ISO_20263-remote-shell-debug-logging 11 12 Mar 2025, 01:02

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 11:36.120 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.
24.399
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 8.406
And I prepare Tails for memory erasure tests 0.488
When I start a process allocating 128 MiB of memory with a known pattern 1.279
Then patterns cover at least 128 MiB in the guest's memory 4.374

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

When I kill the allocating process 1.683
Then I find very few patterns in the guest's memory after 5 seconds 8.167

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

After features/support/hooks.rb:330 0.754
After features/support/hooks.rb:100 0.000
24.381
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 8.256
And I prepare Tails for memory erasure tests 0.394
And I find very few patterns in the guest's memory 2.983

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.365
Then patterns cover at least 99% of the test FS size in the guest's memory 3.176

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

When I umount "/mnt" 0.629
Then I find very few patterns in the guest's memory after 3 seconds 6.576

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:330 0.746
After features/support/hooks.rb:100 0.000
55.904
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 8.462
And I prepare Tails for memory erasure tests 0.472
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.455
Then I find very few patterns in the guest's memory 4.609

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 4.054
Then patterns cover at least 75% of the test FS size in the guest's memory 4.388

Pattern coverage: 87.066% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.826
Then I find very few patterns in the guest's memory after 3 seconds 8.375

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

# read cache
When I mount the USB drive again 0.253
And I read the content of the test FS 0.551
Then patterns cover at least 99% of the test FS size in the guest's memory 4.147

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

When I umount the USB drive 0.614
Then I find very few patterns in the guest's memory after 3 seconds 6.692

Pattern coverage: 0.001% (0 MiB out of 872 MiB reference memory)

After features/support/hooks.rb:330 0.881
After features/support/hooks.rb:100 0.000
1:12.710
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 8.501
And I prepare Tails for memory erasure tests 0.430
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.747
Then I find very few patterns in the guest's memory 2.482

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.167
Then patterns cover at least 99% of the test FS size in the guest's memory 2.552

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

When I umount the USB drive 1.139
Then I find very few patterns in the guest's memory after 3 seconds 5.816

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

# read cache
When I mount the USB drive again 4.631
And I read the content of the test FS 0.459
Then patterns cover at least 99% of the test FS size in the guest's memory 3.419

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

When I umount the USB drive 1.264
Then I find very few patterns in the guest's memory after 3 seconds 6.097

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:330 1.668
After features/support/hooks.rb:100 0.000
56.969
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 8.231
And I prepare Tails for memory erasure tests 0.473
When I fill a 128 MiB file with a known pattern on the root filesystem 17.580
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 6.802
Then patterns cover at least 128 MiB in the guest's memory 3.014

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 20.853

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:330 3.500
After features/support/hooks.rb:100 0.000
7:41.755
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 6:54.429
And I prepare Tails for memory erasure tests 0.492
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.475
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.345

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:330 3.573
After features/support/hooks.rb:100 0.016