Project Number Date
test_Tails_ISO_19139-arti-bridges 15 28 Nov 2024, 23:52

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 10:52.601 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.
22.527
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.648
And I prepare Tails for memory erasure tests 0.652
When I start a process allocating 128 MiB of memory with a known pattern 2.453
Then patterns cover at least 128 MiB in the guest's memory 3.335

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

When I kill the allocating process 1.486
Then I find very few patterns in the guest's memory after 3 seconds 5.951

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

After features/support/hooks.rb:326 0.824
After features/support/hooks.rb:100 0.000
23.878
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 7.926
And I prepare Tails for memory erasure tests 0.434
And I find very few patterns in the guest's memory 2.896

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.034
Then patterns cover at least 99% of the test FS size in the guest's memory 3.163

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

When I umount "/mnt" 1.171
Then I find very few patterns in the guest's memory after 3 seconds 6.250

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:326 0.991
After features/support/hooks.rb:100 0.000
50.239
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.315
And I prepare Tails for memory erasure tests 0.579
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.371
Then I find very few patterns in the guest's memory 3.044

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

# write cache
When I fill the USB drive with a known pattern 4.990
Then patterns cover at least 75% of the test FS size in the guest's memory 3.259

Pattern coverage: 89.962% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.339
Then I find very few patterns in the guest's memory after 3 seconds 6.237

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

# read cache
When I mount the USB drive again 0.333
And I read the content of the test FS 0.470
Then patterns cover at least 99% of the test FS size in the guest's memory 4.095

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

When I umount the USB drive 1.629
Then I find very few patterns in the guest's memory after 3 seconds 6.573

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

After features/support/hooks.rb:326 0.901
After features/support/hooks.rb:100 0.000
1:14.656
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.126
And I prepare Tails for memory erasure tests 0.512
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.622
Then I find very few patterns in the guest's memory 2.398

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.032
Then patterns cover at least 99% of the test FS size in the guest's memory 2.818

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

When I umount the USB drive 0.948
Then I find very few patterns in the guest's memory after 3 seconds 5.889

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# read cache
When I mount the USB drive again 5.654
And I read the content of the test FS 0.398
Then patterns cover at least 99% of the test FS size in the guest's memory 3.099

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

When I umount the USB drive 1.635
Then I find very few patterns in the guest's memory after 3 seconds 5.518

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:326 1.441
After features/support/hooks.rb:100 0.000
47.948
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.992
And I prepare Tails for memory erasure tests 0.520
When I fill a 128 MiB file with a known pattern on the root filesystem 13.927
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.801
Then patterns cover at least 128 MiB in the guest's memory 2.903

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

When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 20.791

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

After features/support/hooks.rb:326 3.507
After features/support/hooks.rb:100 0.000
7:13.350
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 6:30.412
And I prepare Tails for memory erasure tests 0.397
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.129
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.398

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

After features/support/hooks.rb:326 3.544
After features/support/hooks.rb:100 0.011