Project Number Date
test_Tails_ISO_20297-test-suite-reject-allow-internal-dns-resolution 7 11 Apr 2025, 00:39

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 11:55.921 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.
24.692
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 8.148
And I prepare Tails for memory erasure tests 0.514
When I start a process allocating 128 MiB of memory with a known pattern 2.898
Then patterns cover at least 128 MiB in the guest's memory 3.557

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

When I kill the allocating process 0.882
Then I find very few patterns in the guest's memory after 5 seconds 8.690

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

After features/support/hooks.rb:330 0.707
After features/support/hooks.rb:100 0.000
25.667
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 9.155
And I prepare Tails for memory erasure tests 0.463
And I find very few patterns in the guest's memory 3.625

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.919
Then patterns cover at least 99% of the test FS size in the guest's memory 3.809

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

When I umount "/mnt" 0.422
Then I find very few patterns in the guest's memory after 3 seconds 6.271

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

After features/support/hooks.rb:330 0.822
After features/support/hooks.rb:100 0.000
48.866
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.452
And I prepare Tails for memory erasure tests 0.412
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.213
Then I find very few patterns in the guest's memory 3.685

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

# write cache
When I fill the USB drive with a known pattern 2.367
Then patterns cover at least 75% of the test FS size in the guest's memory 4.438

Pattern coverage: 87.544% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.981
Then I find very few patterns in the guest's memory after 3 seconds 6.015

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

# read cache
When I mount the USB drive again 0.252
And I read the content of the test FS 0.845
Then patterns cover at least 99% of the test FS size in the guest's memory 4.025

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

When I umount the USB drive 1.483
Then I find very few patterns in the guest's memory after 3 seconds 6.691

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

After features/support/hooks.rb:330 1.041
After features/support/hooks.rb:100 0.000
1:23.057
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 8.234
And I prepare Tails for memory erasure tests 0.463
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.885
Then I find very few patterns in the guest's memory 3.353

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.734
Then patterns cover at least 99% of the test FS size in the guest's memory 3.594

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

When I umount the USB drive 0.773
Then I find very few patterns in the guest's memory after 3 seconds 6.159

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

# read cache
When I mount the USB drive again 5.235
And I read the content of the test FS 0.431
Then patterns cover at least 99% of the test FS size in the guest's memory 3.467

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.524
Then I find very few patterns in the guest's memory after 3 seconds 6.199

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:330 1.384
After features/support/hooks.rb:100 0.000
52.372
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 8.206
And I prepare Tails for memory erasure tests 0.470
When I fill a 128 MiB file with a known pattern on the root filesystem 18.170
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.962
Then patterns cover at least 128 MiB in the guest's memory 2.795

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

When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.750

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:330 3.562
After features/support/hooks.rb:100 0.000
8:1.265
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:15.387
And I prepare Tails for memory erasure tests 0.535
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.406
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.917

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

After features/support/hooks.rb:330 3.544
After features/support/hooks.rb:100 0.014