Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 56 16 Dec 2024, 23:06

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 11:36.093 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.
20.943
Before features/support/hooks.rb:269 0.006
Given I have started Tails from DVD without network and logged in 8.788
And I prepare Tails for memory erasure tests 0.437
When I start a process allocating 128 MiB of memory with a known pattern 2.318
Then patterns cover at least 128 MiB in the guest's memory 3.284

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

When I kill the allocating process 0.405
Then I find very few patterns in the guest's memory after 3 seconds 5.708

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

After features/support/hooks.rb:326 0.877
After features/support/hooks.rb:100 0.000
23.858
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.954
And I prepare Tails for memory erasure tests 0.487
And I find very few patterns in the guest's memory 2.775

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.187
Then patterns cover at least 99% of the test FS size in the guest's memory 3.205

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

When I umount "/mnt" 0.887
Then I find very few patterns in the guest's memory after 3 seconds 6.360

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:326 0.778
After features/support/hooks.rb:100 0.000
49.904
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.967
And I prepare Tails for memory erasure tests 0.402
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.048
Then I find very few patterns in the guest's memory 2.886

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

# write cache
When I fill the USB drive with a known pattern 2.604
Then patterns cover at least 75% of the test FS size in the guest's memory 2.975

Pattern coverage: 88.211% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.029
Then I find very few patterns in the guest's memory after 3 seconds 6.801

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

# read cache
When I mount the USB drive again 0.537
And I read the content of the test FS 0.887
Then patterns cover at least 99% of the test FS size in the guest's memory 4.886

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

When I umount the USB drive 0.833
Then I find very few patterns in the guest's memory after 3 seconds 7.043

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

After features/support/hooks.rb:326 1.211
After features/support/hooks.rb:100 0.000
1:19.711
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 11.501
And I prepare Tails for memory erasure tests 0.465
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.184
Then I find very few patterns in the guest's memory 2.902

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.067
Then patterns cover at least 99% of the test FS size in the guest's memory 3.379

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

When I umount the USB drive 1.026
Then I find very few patterns in the guest's memory after 3 seconds 5.889

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

# read cache
When I mount the USB drive again 4.671
And I read the content of the test FS 0.626
Then patterns cover at least 99% of the test FS size in the guest's memory 3.234

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.877
Then I find very few patterns in the guest's memory after 3 seconds 5.885

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:326 0.918
After features/support/hooks.rb:100 0.000
51.154
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.301
And I prepare Tails for memory erasure tests 0.443
When I fill a 128 MiB file with a known pattern on the root filesystem 16.656
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.798
Then patterns cover at least 128 MiB in the guest's memory 2.943

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 20.998

Pattern coverage: 0.000% (0 MiB out of 929 MiB reference memory)

After features/support/hooks.rb:326 3.600
After features/support/hooks.rb:100 0.000
7:50.520
Before features/support/hooks.rb:269 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:8.646
And I prepare Tails for memory erasure tests 0.466
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.898
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.489

Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)

After features/support/hooks.rb:326 3.527
After features/support/hooks.rb:100 0.011