Project Number Date
test_Tails_ISO_devel 3381 09 May 2024, 12:31

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 11:5.333 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.
22.572
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.117
And I prepare Tails for memory erasure tests 0.583
When I start a process allocating 128 MiB of memory with a known pattern 2.732
Then patterns cover at least 128 MiB in the guest's memory 4.092

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

When I kill the allocating process 2.969
Then I find very few patterns in the guest's memory 4.076

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:305 1.003
After features/support/hooks.rb:89 0.000
24.263
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.007
And I prepare Tails for memory erasure tests 0.546
And I find very few patterns in the guest's memory 4.221

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 2.088
Then patterns cover at least 99% of the test FS size in the guest's memory 3.881

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

When I umount "/mnt" 1.188
Then I find very few patterns in the guest's memory 4.330

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

After features/support/hooks.rb:305 0.864
After features/support/hooks.rb:89 0.000
49.530
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 10.234
And I prepare Tails for memory erasure tests 0.438
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.192
Then I find very few patterns in the guest's memory 4.187

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.826
Then patterns cover at least 86% of the test FS size in the guest's memory 3.827

Pattern coverage: 90.406% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 4.339
Then I find very few patterns in the guest's memory 4.268

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# read cache
When I mount the USB drive again 0.257
And I read the content of the test FS 0.578
Then patterns cover at least 99% of the test FS size in the guest's memory 3.663

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

When I umount the USB drive 0.601
Then I find very few patterns in the guest's memory 4.113

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:305 1.529
After features/support/hooks.rb:89 0.000
1:12.475
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.120
And I prepare Tails for memory erasure tests 0.635
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.633
Then I find very few patterns in the guest's memory 3.825

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

# write cache
When I fill the USB drive with a known pattern 1.972
Then patterns cover at least 99% of the test FS size in the guest's memory 3.086

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

When I umount the USB drive 1.207
Then I find very few patterns in the guest's memory 4.019

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

# read cache
When I mount the USB drive again 4.948
And I read the content of the test FS 0.483
Then patterns cover at least 99% of the test FS size in the guest's memory 3.216

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

When I umount the USB drive 0.646
Then I find very few patterns in the guest's memory 3.679

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

After features/support/hooks.rb:305 0.894
After features/support/hooks.rb:89 0.000
52.698
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.193
And I prepare Tails for memory erasure tests 0.946
When I fill a 128 MiB file with a known pattern on the root filesystem 16.407
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.839
Then patterns cover at least 128 MiB in the guest's memory 3.145

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

When I trigger shutdown 0.012
And I wait 20 seconds 20.015

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.136

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:305 3.472
After features/support/hooks.rb:89 0.000
7:23.793
Before features/support/hooks.rb:259 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:37.687
And I prepare Tails for memory erasure tests 0.379
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.463
When I trigger shutdown 0.011
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.231

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:305 3.515
After features/support/hooks.rb:89 0.013