Project Number Date
test_Tails_ISO_20531-early-reporting-of-bad-devices 25 18 Dec 2024, 00:13

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 11:47.419 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.
21.446
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.401
And I prepare Tails for memory erasure tests 0.461
When I start a process allocating 128 MiB of memory with a known pattern 2.506
Then patterns cover at least 128 MiB in the guest's memory 3.978

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

When I kill the allocating process 0.216
Then I find very few patterns in the guest's memory after 3 seconds 5.881

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:326 1.512
After features/support/hooks.rb:100 0.000
24.156
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.653
And I prepare Tails for memory erasure tests 0.416
And I find very few patterns in the guest's memory 3.093

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.605
Then patterns cover at least 99% of the test FS size in the guest's memory 3.102

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

When I umount "/mnt" 0.464
Then I find very few patterns in the guest's memory after 3 seconds 6.819

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:326 0.963
After features/support/hooks.rb:100 0.000
53.533
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.313
And I prepare Tails for memory erasure tests 0.468
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.239
Then I find very few patterns in the guest's memory 3.957

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 5.552
Then patterns cover at least 75% of the test FS size in the guest's memory 4.266

Pattern coverage: 87.969% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.376
Then I find very few patterns in the guest's memory after 3 seconds 6.545

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

# read cache
When I mount the USB drive again 0.546
And I read the content of the test FS 0.998
Then patterns cover at least 99% of the test FS size in the guest's memory 3.969

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

When I umount the USB drive 0.727
Then I find very few patterns in the guest's memory after 3 seconds 6.571

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:326 1.565
After features/support/hooks.rb:100 0.000
1:21.833
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.792
And I prepare Tails for memory erasure tests 0.476
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.179
Then I find very few patterns in the guest's memory 3.122

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.067
Then patterns cover at least 99% of the test FS size in the guest's memory 3.660

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

When I umount the USB drive 1.276
Then I find very few patterns in the guest's memory after 3 seconds 6.384

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

# read cache
When I mount the USB drive again 8.517
And I read the content of the test FS 0.581
Then patterns cover at least 99% of the test FS size in the guest's memory 3.633

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

When I umount the USB drive 1.107
Then I find very few patterns in the guest's memory after 3 seconds 6.035

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:326 0.933
After features/support/hooks.rb:100 0.001
51.075
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 8.350
And I prepare Tails for memory erasure tests 0.405
When I fill a 128 MiB file with a known pattern on the root filesystem 16.374
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.028
Then patterns cover at least 128 MiB in the guest's memory 2.986

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

When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.916

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

After features/support/hooks.rb:326 3.518
After features/support/hooks.rb:100 0.000
7:55.374
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 7:11.512
And I prepare Tails for memory erasure tests 0.414
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.300
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.133

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

After features/support/hooks.rb:326 3.502
After features/support/hooks.rb:100 0.011