Project Number Date
test_Tails_ISO_stable 5210 22 Oct 2024, 08:23

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 11:4.294 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.
21.546
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.848
And I prepare Tails for memory erasure tests 0.406
When I start a process allocating 128 MiB of memory with a known pattern 2.340
Then patterns cover at least 128 MiB in the guest's memory 3.907

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

When I kill the allocating process 1.108
Then I find very few patterns in the guest's memory after 3 seconds 5.935

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

After features/support/hooks.rb:326 1.189
After features/support/hooks.rb:100 0.000
23.764
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.966
And I prepare Tails for memory erasure tests 0.392
And I find very few patterns in the guest's memory 2.745

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.659
Then patterns cover at least 99% of the test FS size in the guest's memory 3.082

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

When I umount "/mnt" 0.611
Then I find very few patterns in the guest's memory after 3 seconds 6.305

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

After features/support/hooks.rb:326 0.769
After features/support/hooks.rb:100 0.000
47.480
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.796
And I prepare Tails for memory erasure tests 0.408
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.172
Then I find very few patterns in the guest's memory 2.893

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

# write cache
When I fill the USB drive with a known pattern 5.015
Then patterns cover at least 75% of the test FS size in the guest's memory 3.166

Pattern coverage: 91.539% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.486
Then I find very few patterns in the guest's memory after 3 seconds 5.804

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

# read cache
When I mount the USB drive again 0.335
And I read the content of the test FS 0.564
Then patterns cover at least 99% of the test FS size in the guest's memory 3.163

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

When I umount the USB drive 0.868
Then I find very few patterns in the guest's memory after 3 seconds 5.803

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

After features/support/hooks.rb:326 0.925
After features/support/hooks.rb:100 0.000
1:15.110
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.885
And I prepare Tails for memory erasure tests 0.380
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.800
Then I find very few patterns in the guest's memory 2.830

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

# write cache
When I fill the USB drive with a known pattern 1.902
Then patterns cover at least 99% of the test FS size in the guest's memory 2.780

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

When I umount the USB drive 2.619
Then I find very few patterns in the guest's memory after 3 seconds 5.365

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

# read cache
When I mount the USB drive again 5.791
And I read the content of the test FS 0.925
Then patterns cover at least 99% of the test FS size in the guest's memory 2.708

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

When I umount the USB drive 2.741
Then I find very few patterns in the guest's memory after 3 seconds 5.376

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

After features/support/hooks.rb:326 0.917
After features/support/hooks.rb:100 0.000
49.123
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.049
And I prepare Tails for memory erasure tests 0.394
When I fill a 128 MiB file with a known pattern on the root filesystem 14.409
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.999
Then patterns cover at least 128 MiB in the guest's memory 2.532

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 20.721

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:326 3.529
After features/support/hooks.rb:100 0.000
7:27.269
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 6:45.272
And I prepare Tails for memory erasure tests 0.416
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.418
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.150

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:326 3.514
After features/support/hooks.rb:100 0.010