Project Number Date
test_Tails_ISO_20531-early-reporting-of-bad-devices 1 05 Dec 2024, 20:26

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 11:0.805 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.
21.162
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 8.063
And I prepare Tails for memory erasure tests 0.386
When I start a process allocating 128 MiB of memory with a known pattern 2.313
Then patterns cover at least 128 MiB in the guest's memory 3.662

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

When I kill the allocating process 0.302
Then I find very few patterns in the guest's memory after 3 seconds 6.432

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

After features/support/hooks.rb:330 0.868
After features/support/hooks.rb:100 0.000
24.758
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 8.302
And I prepare Tails for memory erasure tests 0.387
And I find very few patterns in the guest's memory 3.184

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 1.977
Then patterns cover at least 99% of the test FS size in the guest's memory 3.553

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

When I umount "/mnt" 1.098
Then I find very few patterns in the guest's memory after 3 seconds 6.254

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

After features/support/hooks.rb:330 1.068
After features/support/hooks.rb:100 0.000
50.781
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 8.221
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.994
Then I find very few patterns in the guest's memory 3.434

Pattern coverage: 0.000% (0 MiB out of 907 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 3.739

Pattern coverage: 88.584% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.778
Then I find very few patterns in the guest's memory after 3 seconds 7.071

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

# read cache
When I mount the USB drive again 0.369
And I read the content of the test FS 1.270
Then patterns cover at least 99% of the test FS size in the guest's memory 4.340

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

When I umount the USB drive 0.680
Then I find very few patterns in the guest's memory after 3 seconds 6.557

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

After features/support/hooks.rb:330 1.137
After features/support/hooks.rb:100 0.000
1:12.550
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 8.075
And I prepare Tails for memory erasure tests 0.433
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.418
Then I find very few patterns in the guest's memory 3.100

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.933
Then patterns cover at least 99% of the test FS size in the guest's memory 3.509

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

When I umount the USB drive 0.983
Then I find very few patterns in the guest's memory after 3 seconds 6.517

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# read cache
When I mount the USB drive again 4.731
And I read the content of the test FS 0.465
Then patterns cover at least 99% of the test FS size in the guest's memory 3.182

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

When I umount the USB drive 0.711
Then I find very few patterns in the guest's memory after 3 seconds 5.488

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:330 2.208
After features/support/hooks.rb:100 0.000
52.525
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 9.683
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the root filesystem 16.998
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.836
Then patterns cover at least 128 MiB in the guest's memory 2.784

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.760

Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)

After features/support/hooks.rb:330 3.538
After features/support/hooks.rb:100 0.000
7:19.027
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 6:33.632
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.722
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.216

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:330 3.492
After features/support/hooks.rb:100 0.011