Project Number Date
test_Tails_ISO_20898-tinyrpc-drop 10 21 Apr 2025, 21:15

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 11:11.002 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.
22.403
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.036
And I prepare Tails for memory erasure tests 0.442
When I start a process allocating 128 MiB of memory with a known pattern 1.273
Then patterns cover at least 128 MiB in the guest's memory 3.377

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

When I kill the allocating process 0.718
Then I find very few patterns in the guest's memory after 5 seconds 8.554

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

After features/support/hooks.rb:330 0.700
After features/support/hooks.rb:100 0.000
24.696
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.125
And I prepare Tails for memory erasure tests 0.463
And I find very few patterns in the guest's memory 3.708

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.419
Then patterns cover at least 99% of the test FS size in the guest's memory 3.956

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

When I umount "/mnt" 0.443
Then I find very few patterns in the guest's memory after 3 seconds 6.579

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

After features/support/hooks.rb:330 0.767
After features/support/hooks.rb:100 0.000
48.270
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.004
And I prepare Tails for memory erasure tests 0.361
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.213
Then I find very few patterns in the guest's memory 3.208

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.893
Then patterns cover at least 75% of the test FS size in the guest's memory 3.916

Pattern coverage: 88.930% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.262
Then I find very few patterns in the guest's memory after 3 seconds 6.659

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

# read cache
When I mount the USB drive again 0.206
And I read the content of the test FS 0.637
Then patterns cover at least 99% of the test FS size in the guest's memory 3.988

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

When I umount the USB drive 0.458
Then I find very few patterns in the guest's memory after 3 seconds 6.459

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

After features/support/hooks.rb:330 1.130
After features/support/hooks.rb:100 0.000
1:12.678
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.056
And I prepare Tails for memory erasure tests 0.525
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.291
Then I find very few patterns in the guest's memory 2.468

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.712
Then patterns cover at least 99% of the test FS size in the guest's memory 3.279

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

When I umount the USB drive 0.731
Then I find very few patterns in the guest's memory after 3 seconds 6.095

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

# read cache
When I mount the USB drive again 4.011
And I read the content of the test FS 0.451
Then patterns cover at least 99% of the test FS size in the guest's memory 3.433

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

When I umount the USB drive 0.551
Then I find very few patterns in the guest's memory after 3 seconds 6.071

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

After features/support/hooks.rb:330 1.420
After features/support/hooks.rb:100 0.000
53.072
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.154
And I prepare Tails for memory erasure tests 0.446
When I fill a 128 MiB file with a known pattern on the root filesystem 17.926
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.441
Then patterns cover at least 128 MiB in the guest's memory 3.232

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

When I trigger shutdown 0.051
Then I find very few patterns in the guest's memory after 20 seconds 20.819

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:330 3.515
After features/support/hooks.rb:100 0.000
7:29.879
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:43.407
And I prepare Tails for memory erasure tests 0.443
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.662
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.347

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

After features/support/hooks.rb:330 3.511
After features/support/hooks.rb:100 0.012