Project Number Date
test_Tails_ISO_disable-thunderbird-telemetry 6 15 Nov 2024, 22:46

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 11:41.568 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.
23.265
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.227
And I prepare Tails for memory erasure tests 0.461
When I start a process allocating 128 MiB of memory with a known pattern 2.376
Then patterns cover at least 128 MiB in the guest's memory 4.275

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

When I kill the allocating process 0.730
Then I find very few patterns in the guest's memory after 3 seconds 6.194

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

After features/support/hooks.rb:326 1.012
After features/support/hooks.rb:100 0.000
28.471
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.239
And I prepare Tails for memory erasure tests 0.423
And I find very few patterns in the guest's memory 3.628

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.729
Then patterns cover at least 99% of the test FS size in the guest's memory 3.977

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

When I umount "/mnt" 0.873
Then I find very few patterns in the guest's memory after 3 seconds 6.599

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

After features/support/hooks.rb:326 0.912
After features/support/hooks.rb:100 0.000
50.814
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.938
And I prepare Tails for memory erasure tests 0.450
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.199
Then I find very few patterns in the guest's memory 3.837

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

# write cache
When I fill the USB drive with a known pattern 2.599
Then patterns cover at least 75% of the test FS size in the guest's memory 4.145

Pattern coverage: 89.729% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.549
Then I find very few patterns in the guest's memory after 3 seconds 6.639

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

# read cache
When I mount the USB drive again 0.294
And I read the content of the test FS 1.109
Then patterns cover at least 99% of the test FS size in the guest's memory 4.175

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

When I umount the USB drive 0.729
Then I find very few patterns in the guest's memory after 3 seconds 7.145

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

After features/support/hooks.rb:326 1.402
After features/support/hooks.rb:100 0.000
1:20.611
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.531
And I prepare Tails for memory erasure tests 0.462
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.442
Then I find very few patterns in the guest's memory 3.256

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

# write cache
When I fill the USB drive with a known pattern 1.891
Then patterns cover at least 99% of the test FS size in the guest's memory 3.459

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

When I umount the USB drive 1.163
Then I find very few patterns in the guest's memory after 3 seconds 6.292

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

# read cache
When I mount the USB drive again 6.209
And I read the content of the test FS 0.621
Then patterns cover at least 99% of the test FS size in the guest's memory 3.512

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

When I umount the USB drive 0.797
Then I find very few patterns in the guest's memory after 3 seconds 5.970

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

After features/support/hooks.rb:326 0.874
After features/support/hooks.rb:100 0.000
53.831
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.736
And I prepare Tails for memory erasure tests 0.753
When I fill a 128 MiB file with a known pattern on the root filesystem 15.285
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.756
Then patterns cover at least 128 MiB in the guest's memory 3.369

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 20.915

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

After features/support/hooks.rb:326 3.558
After features/support/hooks.rb:100 0.000
7:44.574
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:1.120
And I prepare Tails for memory erasure tests 0.505
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.619
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.313

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

After features/support/hooks.rb:326 3.530
After features/support/hooks.rb:100 0.014