Project Number Date
test_Tails_ISO_20531-early-reporting-of-bad-devices 15 12 Dec 2024, 20:41

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 12:28.254 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.
21.895
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.635
And I prepare Tails for memory erasure tests 0.498
When I start a process allocating 128 MiB of memory with a known pattern 2.414
Then patterns cover at least 128 MiB in the guest's memory 3.409

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

When I kill the allocating process 0.407
Then I find very few patterns in the guest's memory after 3 seconds 6.529

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

After features/support/hooks.rb:326 1.291
After features/support/hooks.rb:100 0.000
25.794
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.146
And I prepare Tails for memory erasure tests 0.428
And I find very few patterns in the guest's memory 3.802

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.423
Then patterns cover at least 99% of the test FS size in the guest's memory 4.115

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

When I umount "/mnt" 0.709
Then I find very few patterns in the guest's memory after 3 seconds 6.168

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

After features/support/hooks.rb:326 1.734
After features/support/hooks.rb:100 0.000
55.218
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 11.784
And I prepare Tails for memory erasure tests 0.446
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.187
Then I find very few patterns in the guest's memory 3.814

Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.638
Then patterns cover at least 75% of the test FS size in the guest's memory 4.417

Pattern coverage: 87.758% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.294
Then I find very few patterns in the guest's memory after 3 seconds 6.792

Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)

# read cache
When I mount the USB drive again 0.334
And I read the content of the test FS 0.628
Then patterns cover at least 99% of the test FS size in the guest's memory 4.290

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

When I umount the USB drive 0.465
Then I find very few patterns in the guest's memory after 3 seconds 7.121

Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)

After features/support/hooks.rb:326 2.007
After features/support/hooks.rb:100 0.000
1:28.861
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.395
And I prepare Tails for memory erasure tests 0.429
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.791
Then I find very few patterns in the guest's memory 3.398

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.258
Then patterns cover at least 99% of the test FS size in the guest's memory 3.796

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

When I umount the USB drive 1.654
Then I find very few patterns in the guest's memory after 3 seconds 6.502

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

# read cache
When I mount the USB drive again 6.996
And I read the content of the test FS 0.796
Then patterns cover at least 99% of the test FS size in the guest's memory 6.458

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

When I umount the USB drive 1.570
Then I find very few patterns in the guest's memory after 3 seconds 7.812

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:326 1.406
After features/support/hooks.rb:100 0.000
53.912
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.922
And I prepare Tails for memory erasure tests 0.492
When I fill a 128 MiB file with a known pattern on the root filesystem 16.874
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.357
Then patterns cover at least 128 MiB in the guest's memory 3.361

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

When I trigger shutdown 0.046
Then I find very few patterns in the guest's memory after 20 seconds 20.857

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:326 3.490
After features/support/hooks.rb:100 0.000
8:22.572
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 7:30.984
And I prepare Tails for memory erasure tests 0.527
When I fill a 128 MiB file with a known pattern on the persistent filesystem 29.734
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.313

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

After features/support/hooks.rb:326 3.494
After features/support/hooks.rb:100 0.010