Project Number Date
test_Tails_ISO_stable 5002 06 Aug 2024, 12:30

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 11:11.382 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.
19.443
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.154
And I prepare Tails for memory erasure tests 0.405
When I start a process allocating 128 MiB of memory with a known pattern 1.343
Then patterns cover at least 128 MiB in the guest's memory 3.766

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

When I kill the allocating process 1.743
Then I find very few patterns in the guest's memory 4.029

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:326 1.026
After features/support/hooks.rb:100 0.000
24.684
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.277
And I prepare Tails for memory erasure tests 0.516
And I find very few patterns in the guest's memory 4.715

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.749
Then patterns cover at least 99% of the test FS size in the guest's memory 3.574

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

When I umount "/mnt" 0.873
Then I find very few patterns in the guest's memory 3.977

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

After features/support/hooks.rb:326 1.226
After features/support/hooks.rb:100 0.000
55.519
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.310
And I prepare Tails for memory erasure tests 0.511
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.957
Then I find very few patterns in the guest's memory 4.199

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

# write cache
When I fill the USB drive with a known pattern 2.307
Then patterns cover at least 86% of the test FS size in the guest's memory 3.581

Pattern coverage: 87.945% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 12.466
Then I find very few patterns in the guest's memory 3.776

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

# read cache
When I mount the USB drive again 0.266
And I read the content of the test FS 1.412
Then patterns cover at least 99% of the test FS size in the guest's memory 3.235

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

When I umount the USB drive 0.890
Then I find very few patterns in the guest's memory 4.604

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

After features/support/hooks.rb:326 1.167
After features/support/hooks.rb:100 0.000
1:17.175
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.207
And I prepare Tails for memory erasure tests 0.494
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.081
Then I find very few patterns in the guest's memory 3.332

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.447
Then patterns cover at least 99% of the test FS size in the guest's memory 3.569

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

When I umount the USB drive 0.914
Then I find very few patterns in the guest's memory 3.807

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

# read cache
When I mount the USB drive again 5.575
And I read the content of the test FS 0.516
Then patterns cover at least 99% of the test FS size in the guest's memory 3.415

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

When I umount the USB drive 1.627
Then I find very few patterns in the guest's memory 3.187

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:326 1.136
After features/support/hooks.rb:100 0.000
49.751
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.318
And I prepare Tails for memory erasure tests 0.489
When I fill a 128 MiB file with a known pattern on the root filesystem 14.380
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.176
Then patterns cover at least 128 MiB in the guest's memory 2.569

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

When I trigger shutdown 0.019
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.776

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:326 3.515
After features/support/hooks.rb:100 0.000
7:24.807
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:38.292
And I prepare Tails for memory erasure tests 0.476
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.753
When I trigger shutdown 0.015
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.249

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

After features/support/hooks.rb:326 3.769
After features/support/hooks.rb:100 0.012