Project Number Date
test_Tails_ISO_devel 3440 28 Jun 2024, 13:08

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 12:9.570 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.
22.722
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.339
And I prepare Tails for memory erasure tests 0.464
When I start a process allocating 128 MiB of memory with a known pattern 2.433
Then patterns cover at least 128 MiB in the guest's memory 3.999

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

When I kill the allocating process 3.442
Then I find very few patterns in the guest's memory 4.042

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

After features/support/hooks.rb:326 1.051
After features/support/hooks.rb:100 0.000
24.282
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.479
And I prepare Tails for memory erasure tests 0.519
And I find very few patterns in the guest's memory 3.848

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.274
Then patterns cover at least 99% of the test FS size in the guest's memory 4.078

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

When I umount "/mnt" 0.808
Then I find very few patterns in the guest's memory 4.273

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:326 0.736
After features/support/hooks.rb:100 0.000
53.332
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.286
And I prepare Tails for memory erasure tests 0.470
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.374
Then I find very few patterns in the guest's memory 4.564

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.251
Then patterns cover at least 86% of the test FS size in the guest's memory 3.385

Pattern coverage: 88.900% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 6.865
Then I find very few patterns in the guest's memory 4.438

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

# read cache
When I mount the USB drive again 0.293
And I read the content of the test FS 0.587
Then patterns cover at least 99% of the test FS size in the guest's memory 4.207

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

When I umount the USB drive 1.951
Then I find very few patterns in the guest's memory 4.655

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:326 1.532
After features/support/hooks.rb:100 0.000
1:22.178
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.087
And I prepare Tails for memory erasure tests 0.919
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.365
Then I find very few patterns in the guest's memory 4.182

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

# write cache
When I fill the USB drive with a known pattern 3.563
Then patterns cover at least 99% of the test FS size in the guest's memory 3.807

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

When I umount the USB drive 1.214
Then I find very few patterns in the guest's memory 3.819

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

# read cache
When I mount the USB drive again 7.292
And I read the content of the test FS 0.548
Then patterns cover at least 99% of the test FS size in the guest's memory 3.713

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

When I umount the USB drive 2.421
Then I find very few patterns in the guest's memory 4.243

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

After features/support/hooks.rb:326 2.429
After features/support/hooks.rb:100 0.000
53.931
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.891
And I prepare Tails for memory erasure tests 0.851
When I fill a 128 MiB file with a known pattern on the root filesystem 16.895
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.214
Then patterns cover at least 128 MiB in the guest's memory 2.876

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

When I trigger shutdown 0.012
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.169

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:326 3.529
After features/support/hooks.rb:100 0.000
8:13.124
Before features/support/hooks.rb:269 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:29.179
And I prepare Tails for memory erasure tests 0.473
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.240
When I trigger shutdown 0.011
And I wait 20 seconds 20.019

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.200

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

After features/support/hooks.rb:326 3.540
After features/support/hooks.rb:100 0.014