Project Number Date
test_Tails_ISO_20979-pdfarranger 1 28 May 2025, 03:21

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 11:32.839 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.
24.122
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 8.268
And I prepare Tails for memory erasure tests 0.440
When I start a process allocating 128 MiB of memory with a known pattern 2.626
Then patterns cover at least 128 MiB in the guest's memory 3.752

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

When I kill the allocating process 0.852
Then I find very few patterns in the guest's memory after 5 seconds 8.183

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:330 0.791
After features/support/hooks.rb:100 0.000
26.311
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 8.118
And I prepare Tails for memory erasure tests 0.449
And I find very few patterns in the guest's memory 3.161

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.119
Then patterns cover at least 99% of the test FS size in the guest's memory 3.528

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

When I umount "/mnt" 1.669
Then I find very few patterns in the guest's memory after 3 seconds 6.264

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:330 0.699
After features/support/hooks.rb:100 0.000
47.530
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 8.121
And I prepare Tails for memory erasure tests 0.408
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.200
Then I find very few patterns in the guest's memory 3.495

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

# write cache
When I fill the USB drive with a known pattern 3.029
Then patterns cover at least 75% of the test FS size in the guest's memory 3.593

Pattern coverage: 90.461% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.187
Then I find very few patterns in the guest's memory after 3 seconds 6.142

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

# read cache
When I mount the USB drive again 0.333
And I read the content of the test FS 0.466
Then patterns cover at least 99% of the test FS size in the guest's memory 3.731

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

When I umount the USB drive 0.688
Then I find very few patterns in the guest's memory after 3 seconds 6.132

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

After features/support/hooks.rb:330 0.858
After features/support/hooks.rb:100 0.000
1:19.782
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 9.953
And I prepare Tails for memory erasure tests 0.657
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.172
Then I find very few patterns in the guest's memory 2.768

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

# write cache
When I fill the USB drive with a known pattern 1.675
Then patterns cover at least 99% of the test FS size in the guest's memory 3.214

Pattern coverage: 106.113% (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 5.681

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

# read cache
When I mount the USB drive again 4.514
And I read the content of the test FS 0.677
Then patterns cover at least 99% of the test FS size in the guest's memory 3.054

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

When I umount the USB drive 0.838
Then I find very few patterns in the guest's memory after 3 seconds 5.861

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

After features/support/hooks.rb:330 1.379
After features/support/hooks.rb:100 0.000
50.839
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 8.414
And I prepare Tails for memory erasure tests 0.453
When I fill a 128 MiB file with a known pattern on the root filesystem 15.071
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.037
Then patterns cover at least 128 MiB in the guest's memory 2.893

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 20.952

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:330 3.514
After features/support/hooks.rb:100 0.000
7:44.253
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 7:0.365
And I prepare Tails for memory erasure tests 0.427
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.160
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.285

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

After features/support/hooks.rb:330 3.510
After features/support/hooks.rb:100 0.012