Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 34 30 Nov 2024, 20:45

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 10:50.422 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.
21.142
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.964
And I prepare Tails for memory erasure tests 0.370
When I start a process allocating 128 MiB of memory with a known pattern 1.375
Then patterns cover at least 128 MiB in the guest's memory 3.990

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

When I kill the allocating process 1.192
Then I find very few patterns in the guest's memory after 3 seconds 6.249

Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)

After features/support/hooks.rb:326 0.932
After features/support/hooks.rb:100 0.000
24.505
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.147
And I prepare Tails for memory erasure tests 0.413
And I find very few patterns in the guest's memory 3.251

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.008
Then patterns cover at least 99% of the test FS size in the guest's memory 3.585

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

When I umount "/mnt" 0.888
Then I find very few patterns in the guest's memory after 3 seconds 6.211

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

After features/support/hooks.rb:326 0.878
After features/support/hooks.rb:100 0.000
46.484
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.030
And I prepare Tails for memory erasure tests 0.371
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.965
Then I find very few patterns in the guest's memory 3.305

Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.509
Then patterns cover at least 75% of the test FS size in the guest's memory 3.731

Pattern coverage: 87.446% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.219
Then I find very few patterns in the guest's memory after 3 seconds 6.132

Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)

# read cache
When I mount the USB drive again 0.297
And I read the content of the test FS 0.507
Then patterns cover at least 99% of the test FS size in the guest's memory 3.446

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

When I umount the USB drive 0.814
Then I find very few patterns in the guest's memory after 3 seconds 6.153

Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)

After features/support/hooks.rb:326 0.838
After features/support/hooks.rb:100 0.000
1:13.066
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.003
And I prepare Tails for memory erasure tests 0.402
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.857
Then I find very few patterns in the guest's memory 2.611

Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.618
Then patterns cover at least 99% of the test FS size in the guest's memory 3.210

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

When I umount the USB drive 0.817
Then I find very few patterns in the guest's memory after 3 seconds 5.613

Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)

# read cache
When I mount the USB drive again 5.654
And I read the content of the test FS 0.838
Then patterns cover at least 99% of the test FS size in the guest's memory 3.092

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

When I umount the USB drive 0.711
Then I find very few patterns in the guest's memory after 3 seconds 5.634

Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)

After features/support/hooks.rb:326 0.855
After features/support/hooks.rb:100 0.000
49.745
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.161
And I prepare Tails for memory erasure tests 0.414
When I fill a 128 MiB file with a known pattern on the root filesystem 15.582
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.263
Then patterns cover at least 128 MiB in the guest's memory 2.466

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 20.842

Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)

After features/support/hooks.rb:326 3.526
After features/support/hooks.rb:100 0.000
7:15.478
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 6:33.629
And I prepare Tails for memory erasure tests 0.381
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.229
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.223

Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)

After features/support/hooks.rb:326 3.536
After features/support/hooks.rb:100 0.009