Project Number Date
test_Tails_ISO_20448-tor-browser-14-force-all-tests 74 16 Oct 2024, 07:27

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 12:5.332 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.
33.852
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 21.809
And I prepare Tails for memory erasure tests 0.527
When I start a process allocating 128 MiB of memory with a known pattern 1.189
Then patterns cover at least 128 MiB in the guest's memory 3.583

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

When I kill the allocating process 1.122
Then I find very few patterns in the guest's memory after 3 seconds 5.621

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

After features/support/hooks.rb:326 1.901
After features/support/hooks.rb:100 0.000
23.710
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.143
And I prepare Tails for memory erasure tests 0.398
And I find very few patterns in the guest's memory 2.735

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.809
Then patterns cover at least 99% of the test FS size in the guest's memory 3.393

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

When I umount "/mnt" 0.779
Then I find very few patterns in the guest's memory after 3 seconds 6.450

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

After features/support/hooks.rb:326 1.569
After features/support/hooks.rb:100 0.000
47.106
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.378
And I prepare Tails for memory erasure tests 0.420
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.145
Then I find very few patterns in the guest's memory 3.269

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.748
Then patterns cover at least 75% of the test FS size in the guest's memory 4.228

Pattern coverage: 85.670% (109 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.319
Then I find very few patterns in the guest's memory after 3 seconds 6.121

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

# read cache
When I mount the USB drive again 0.282
And I read the content of the test FS 0.715
Then patterns cover at least 99% of the test FS size in the guest's memory 3.128

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

When I umount the USB drive 0.749
Then I find very few patterns in the guest's memory after 3 seconds 6.599

Pattern coverage: 0.001% (0 MiB out of 878 MiB reference memory)

After features/support/hooks.rb:326 1.404
After features/support/hooks.rb:100 0.000
1:46.048
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.233
And I prepare Tails for memory erasure tests 0.449
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.956
Then I find very few patterns in the guest's memory 2.630

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 10.307
Then patterns cover at least 99% of the test FS size in the guest's memory 2.750

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

When I umount the USB drive 13.169
Then I find very few patterns in the guest's memory after 3 seconds 5.307

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

# read cache
When I mount the USB drive again 9.009
And I read the content of the test FS 0.760
Then patterns cover at least 99% of the test FS size in the guest's memory 2.613

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

When I umount the USB drive 1.462
Then I find very few patterns in the guest's memory after 3 seconds 6.397

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

After features/support/hooks.rb:326 1.027
After features/support/hooks.rb:100 0.000
55.539
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.582
And I prepare Tails for memory erasure tests 0.391
When I fill a 128 MiB file with a known pattern on the root filesystem 17.992
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.203
Then patterns cover at least 128 MiB in the guest's memory 2.585

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.771

Pattern coverage: 0.000% (0 MiB out of 852 MiB reference memory)

After features/support/hooks.rb:326 3.464
After features/support/hooks.rb:100 0.000
7:39.074
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 6:55.379
And I prepare Tails for memory erasure tests 0.438
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.876
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.367

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

After features/support/hooks.rb:326 3.586
After features/support/hooks.rb:100 0.015