Project Number Date
test_Tails_ISO_20448-tor-browser-14-force-all-tests 23 23 Aug 2024, 07:20

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 11:11.829 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.
21.793
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.085
And I prepare Tails for memory erasure tests 0.436
When I start a process allocating 128 MiB of memory with a known pattern 2.284
Then patterns cover at least 128 MiB in the guest's memory 3.725

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

When I kill the allocating process 1.315
Then I find very few patterns in the guest's memory after 3 seconds 5.946

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

After features/support/hooks.rb:326 1.023
After features/support/hooks.rb:100 0.000
23.721
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.054
And I prepare Tails for memory erasure tests 0.433
And I find very few patterns in the guest's memory 2.708

Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.103
Then patterns cover at least 99% of the test FS size in the guest's memory 3.874

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

When I umount "/mnt" 0.908
Then I find very few patterns in the guest's memory after 3 seconds 5.637

Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)

After features/support/hooks.rb:326 0.816
After features/support/hooks.rb:100 0.000
48.709
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.074
And I prepare Tails for memory erasure tests 0.400
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.121
Then I find very few patterns in the guest's memory 2.885

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.638
Then patterns cover at least 75% of the test FS size in the guest's memory 3.265

Pattern coverage: 89.322% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.711
Then I find very few patterns in the guest's memory after 3 seconds 6.718

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

# read cache
When I mount the USB drive again 0.336
And I read the content of the test FS 0.511
Then patterns cover at least 99% of the test FS size in the guest's memory 3.576

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

When I umount the USB drive 0.656
Then I find very few patterns in the guest's memory after 3 seconds 7.812

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:326 0.799
After features/support/hooks.rb:100 0.000
1:19.118
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.178
And I prepare Tails for memory erasure tests 0.408
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.030
Then I find very few patterns in the guest's memory 2.410

Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.805
Then patterns cover at least 99% of the test FS size in the guest's memory 2.869

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

When I umount the USB drive 3.697
Then I find very few patterns in the guest's memory after 3 seconds 5.295

Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)

# read cache
When I mount the USB drive again 5.593
And I read the content of the test FS 0.373
Then patterns cover at least 99% of the test FS size in the guest's memory 2.854

Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 1.136
Then I find very few patterns in the guest's memory after 3 seconds 5.463

Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)

After features/support/hooks.rb:326 1.100
After features/support/hooks.rb:100 0.000
50.622
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.956
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the root filesystem 16.872
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.800
Then patterns cover at least 128 MiB in the guest's memory 2.770

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 20.758

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

After features/support/hooks.rb:326 3.490
After features/support/hooks.rb:100 0.000
7:27.864
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 6:43.951
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.362
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.106

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:326 3.514
After features/support/hooks.rb:100 0.012