Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 85 23 Jan 2025, 21:18

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 11:27.187 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.
24.929
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.107
And I prepare Tails for memory erasure tests 0.639
When I start a process allocating 128 MiB of memory with a known pattern 2.480
Then patterns cover at least 128 MiB in the guest's memory 3.439

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

When I kill the allocating process 1.074
Then I find very few patterns in the guest's memory after 5 seconds 8.188

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

After features/support/hooks.rb:326 0.928
After features/support/hooks.rb:100 0.000
38.929
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.336
And I prepare Tails for memory erasure tests 0.548
And I find very few patterns in the guest's memory 7.254

Pattern coverage: 0.000% (0 MiB out of 923 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.247
Then patterns cover at least 99% of the test FS size in the guest's memory 7.592

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

When I umount "/mnt" 1.260
Then I find very few patterns in the guest's memory after 3 seconds 11.690

Pattern coverage: 0.000% (0 MiB out of 923 MiB reference memory)

After features/support/hooks.rb:326 0.845
After features/support/hooks.rb:100 0.000
54.323
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.372
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.072
Then I find very few patterns in the guest's memory 3.198

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 6.286
Then patterns cover at least 75% of the test FS size in the guest's memory 3.950

Pattern coverage: 88.646% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.367
Then I find very few patterns in the guest's memory after 3 seconds 6.467

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

# read cache
When I mount the USB drive again 0.440
And I read the content of the test FS 0.539
Then patterns cover at least 99% of the test FS size in the guest's memory 3.939

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

When I umount the USB drive 1.300
Then I find very few patterns in the guest's memory after 3 seconds 6.945

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:326 0.871
After features/support/hooks.rb:100 0.000
1:15.616
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.714
And I prepare Tails for memory erasure tests 0.497
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.096
Then I find very few patterns in the guest's memory 2.380

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

# write cache
When I fill the USB drive with a known pattern 2.300
Then patterns cover at least 99% of the test FS size in the guest's memory 2.636

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

When I umount the USB drive 1.272
Then I find very few patterns in the guest's memory after 3 seconds 5.350

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

# read cache
When I mount the USB drive again 5.677
And I read the content of the test FS 0.408
Then patterns cover at least 99% of the test FS size in the guest's memory 3.436

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

When I umount the USB drive 0.907
Then I find very few patterns in the guest's memory after 3 seconds 5.937

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

After features/support/hooks.rb:326 0.953
After features/support/hooks.rb:100 0.000
51.462
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.580
And I prepare Tails for memory erasure tests 0.441
When I fill a 128 MiB file with a known pattern on the root filesystem 16.654
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.271
Then patterns cover at least 128 MiB in the guest's memory 2.727

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.774

Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)

After features/support/hooks.rb:326 3.529
After features/support/hooks.rb:100 0.000
7:21.924
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:36.637
And I prepare Tails for memory erasure tests 0.394
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.613
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.261

Pattern coverage: 0.000% (0 MiB out of 925 MiB reference memory)

After features/support/hooks.rb:326 3.876
After features/support/hooks.rb:100 0.013