Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 39 06 Dec 2024, 21:04

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 12:26.152 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.
20.587
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.324
And I prepare Tails for memory erasure tests 0.437
When I start a process allocating 128 MiB of memory with a known pattern 1.421
Then patterns cover at least 128 MiB in the guest's memory 3.948

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

When I kill the allocating process 0.327
Then I find very few patterns in the guest's memory after 3 seconds 6.127

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

After features/support/hooks.rb:326 1.434
After features/support/hooks.rb:100 0.000
26.672
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.663
And I prepare Tails for memory erasure tests 0.488
And I find very few patterns in the guest's memory 3.685

Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.127
Then patterns cover at least 99% of the test FS size in the guest's memory 3.895

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

When I umount "/mnt" 0.784
Then I find very few patterns in the guest's memory after 3 seconds 7.027

Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)

After features/support/hooks.rb:326 0.945
After features/support/hooks.rb:100 0.000
1:0.783
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.177
And I prepare Tails for memory erasure tests 0.498
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.062
Then I find very few patterns in the guest's memory 3.986

Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.350
Then patterns cover at least 75% of the test FS size in the guest's memory 7.100

Pattern coverage: 91.676% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.238
Then I find very few patterns in the guest's memory after 3 seconds 7.593

Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)

# read cache
When I mount the USB drive again 0.259
And I read the content of the test FS 3.776
Then patterns cover at least 99% of the test FS size in the guest's memory 4.153

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

When I umount the USB drive 0.810
Then I find very few patterns in the guest's memory after 3 seconds 6.774

Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)

After features/support/hooks.rb:326 0.994
After features/support/hooks.rb:100 0.000
1:22.553
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.492
And I prepare Tails for memory erasure tests 0.531
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.173
Then I find very few patterns in the guest's memory 3.470

Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.570
Then patterns cover at least 99% of the test FS size in the guest's memory 3.662

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

When I umount the USB drive 1.816
Then I find very few patterns in the guest's memory after 3 seconds 6.255

Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)

# read cache
When I mount the USB drive again 5.189
And I read the content of the test FS 2.542
Then patterns cover at least 99% of the test FS size in the guest's memory 3.568

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

When I umount the USB drive 1.670
Then I find very few patterns in the guest's memory after 3 seconds 6.607

Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)

After features/support/hooks.rb:326 0.993
After features/support/hooks.rb:100 0.001
55.667
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.680
And I prepare Tails for memory erasure tests 0.700
When I fill a 128 MiB file with a known pattern on the root filesystem 18.103
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.770
Then patterns cover at least 128 MiB in the guest's memory 5.294

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

When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.102

Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)

After features/support/hooks.rb:326 3.538
After features/support/hooks.rb:100 0.000
8:19.887
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:34.056
And I prepare Tails for memory erasure tests 0.469
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.997
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.345

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

After features/support/hooks.rb:326 3.578
After features/support/hooks.rb:100 0.015