Project Number Date
test_Tails_ISO_feature-arti 28 13 Dec 2024, 16:34

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 12:9.857 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.
26.035
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.123
And I prepare Tails for memory erasure tests 0.474
When I start a process allocating 128 MiB of memory with a known pattern 3.441
Then patterns cover at least 128 MiB in the guest's memory 4.229

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

When I kill the allocating process 3.817
Then I find very few patterns in the guest's memory after 3 seconds 5.949

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

After features/support/hooks.rb:326 1.102
After features/support/hooks.rb:100 0.000
25.062
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.201
And I prepare Tails for memory erasure tests 0.477
And I find very few patterns in the guest's memory 2.787

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.691
Then patterns cover at least 99% of the test FS size in the guest's memory 3.207

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

When I umount "/mnt" 1.544
Then I find very few patterns in the guest's memory after 3 seconds 6.152

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

After features/support/hooks.rb:326 0.801
After features/support/hooks.rb:100 0.000
50.152
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.562
And I prepare Tails for memory erasure tests 0.501
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.122
Then I find very few patterns in the guest's memory 3.768

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

# write cache
When I fill the USB drive with a known pattern 3.213
Then patterns cover at least 75% of the test FS size in the guest's memory 3.567

Pattern coverage: 92.674% (118 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.488
Then I find very few patterns in the guest's memory after 3 seconds 5.984

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

# read cache
When I mount the USB drive again 0.550
And I read the content of the test FS 0.498
Then patterns cover at least 99% of the test FS size in the guest's memory 3.397

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

When I umount the USB drive 1.174
Then I find very few patterns in the guest's memory after 3 seconds 6.323

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

After features/support/hooks.rb:326 1.090
After features/support/hooks.rb:100 0.000
1:19.036
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.729
And I prepare Tails for memory erasure tests 0.547
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.921
Then I find very few patterns in the guest's memory 2.996

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

# write cache
When I fill the USB drive with a known pattern 2.450
Then patterns cover at least 99% of the test FS size in the guest's memory 2.539

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

When I umount the USB drive 0.959
Then I find very few patterns in the guest's memory after 3 seconds 5.510

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

# read cache
When I mount the USB drive again 7.651
And I read the content of the test FS 0.432
Then patterns cover at least 99% of the test FS size in the guest's memory 3.042

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

When I umount the USB drive 0.738
Then I find very few patterns in the guest's memory after 3 seconds 5.516

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

After features/support/hooks.rb:326 2.382
After features/support/hooks.rb:100 0.000
53.148
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.395
And I prepare Tails for memory erasure tests 1.110
When I fill a 128 MiB file with a known pattern on the root filesystem 17.877
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.940
Then patterns cover at least 128 MiB in the guest's memory 3.003

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

When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.808

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:326 3.525
After features/support/hooks.rb:100 0.000
8:16.420
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 7:26.520
And I prepare Tails for memory erasure tests 1.270
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.188
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.425

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

After features/support/hooks.rb:326 3.523
After features/support/hooks.rb:100 0.051