Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 92 30 Jan 2025, 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 12:59.956 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.
26.651
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.345
And I prepare Tails for memory erasure tests 0.407
When I start a process allocating 128 MiB of memory with a known pattern 2.354
Then patterns cover at least 128 MiB in the guest's memory 5.583

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

When I kill the allocating process 1.176
Then I find very few patterns in the guest's memory after 5 seconds 8.783

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

After features/support/hooks.rb:326 1.056
After features/support/hooks.rb:100 0.000
26.705
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.490
And I prepare Tails for memory erasure tests 0.405
And I find very few patterns in the guest's memory 3.792

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.060
Then patterns cover at least 99% of the test FS size in the guest's memory 4.499

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

When I umount "/mnt" 0.665
Then I find very few patterns in the guest's memory after 3 seconds 6.791

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

After features/support/hooks.rb:326 0.817
After features/support/hooks.rb:100 0.000
55.100
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.834
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.526
Then I find very few patterns in the guest's memory 3.768

Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.904
Then patterns cover at least 75% of the test FS size in the guest's memory 4.270

Pattern coverage: 87.547% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.289
Then I find very few patterns in the guest's memory after 3 seconds 7.197

Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)

# read cache
When I mount the USB drive again 0.425
And I read the content of the test FS 3.231
Then patterns cover at least 99% of the test FS size in the guest's memory 4.124

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

When I umount the USB drive 0.932
Then I find very few patterns in the guest's memory after 3 seconds 7.152

Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)

After features/support/hooks.rb:326 0.827
After features/support/hooks.rb:100 0.000
1:19.073
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.430
And I prepare Tails for memory erasure tests 0.464
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.430
Then I find very few patterns in the guest's memory 3.511

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

# write cache
When I fill the USB drive with a known pattern 2.200
Then patterns cover at least 99% of the test FS size in the guest's memory 3.585

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

When I umount the USB drive 1.075
Then I find very few patterns in the guest's memory after 3 seconds 5.998

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

# read cache
When I mount the USB drive again 5.983
And I read the content of the test FS 1.751
Then patterns cover at least 99% of the test FS size in the guest's memory 3.575

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

When I umount the USB drive 0.881
Then I find very few patterns in the guest's memory after 3 seconds 6.184

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

After features/support/hooks.rb:326 0.998
After features/support/hooks.rb:100 0.000
52.069
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.751
And I prepare Tails for memory erasure tests 0.421
When I fill a 128 MiB file with a known pattern on the root filesystem 16.596
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.406
Then patterns cover at least 128 MiB in the guest's memory 2.999

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

When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.875

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

After features/support/hooks.rb:326 3.523
After features/support/hooks.rb:100 0.000
9:0.355
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 8:14.599
And I prepare Tails for memory erasure tests 0.531
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.759
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.446

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

After features/support/hooks.rb:326 3.551
After features/support/hooks.rb:100 0.012