Project Number Date
test_Tails_ISO_20448-tor-browser-14-force-all-tests 79 21 Oct 2024, 07:36

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 11:59.604 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.
27.432
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.065
And I prepare Tails for memory erasure tests 0.435
When I start a process allocating 128 MiB of memory with a known pattern 7.834
Then patterns cover at least 128 MiB in the guest's memory 3.437

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

When I kill the allocating process 1.624
Then I find very few patterns in the guest's memory after 3 seconds 6.034

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:326 1.215
After features/support/hooks.rb:100 0.000
24.480
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.951
And I prepare Tails for memory erasure tests 0.809
And I find very few patterns in the guest's memory 2.521

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.973
Then patterns cover at least 99% of the test FS size in the guest's memory 3.254

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

When I umount "/mnt" 1.185
Then I find very few patterns in the guest's memory after 3 seconds 5.784

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:326 0.941
After features/support/hooks.rb:100 0.000
50.811
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.407
And I prepare Tails for memory erasure tests 0.484
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.192
Then I find very few patterns in the guest's memory 2.805

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 5.366
Then patterns cover at least 75% of the test FS size in the guest's memory 3.213

Pattern coverage: 91.569% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.792
Then I find very few patterns in the guest's memory after 3 seconds 6.039

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

# read cache
When I mount the USB drive again 0.662
And I read the content of the test FS 1.225
Then patterns cover at least 99% of the test FS size in the guest's memory 3.410

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

When I umount the USB drive 1.108
Then I find very few patterns in the guest's memory after 3 seconds 6.101

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:326 0.760
After features/support/hooks.rb:100 0.000
1:19.460
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.145
And I prepare Tails for memory erasure tests 0.383
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.155
Then I find very few patterns in the guest's memory 3.133

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.746
Then patterns cover at least 99% of the test FS size in the guest's memory 3.633

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

When I umount the USB drive 1.639
Then I find very few patterns in the guest's memory after 3 seconds 5.790

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

# read cache
When I mount the USB drive again 5.418
And I read the content of the test FS 0.837
Then patterns cover at least 99% of the test FS size in the guest's memory 3.853

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

When I umount the USB drive 0.713
Then I find very few patterns in the guest's memory after 3 seconds 6.009

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:326 1.095
After features/support/hooks.rb:100 0.000
53.723
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.605
And I prepare Tails for memory erasure tests 0.690
When I fill a 128 MiB file with a known pattern on the root filesystem 16.087
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.330
Then patterns cover at least 128 MiB in the guest's memory 3.242

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

When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.748

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:326 3.594
After features/support/hooks.rb:100 0.000
8:3.696
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 7:21.267
And I prepare Tails for memory erasure tests 0.425
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.846
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.144

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:326 3.523
After features/support/hooks.rb:100 0.010