Project Number Date
test_Tails_ISO_stable 5336 15 Dec 2024, 12:21

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 11:33.200 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.
36.754
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 21.517
And I prepare Tails for memory erasure tests 0.415
When I start a process allocating 128 MiB of memory with a known pattern 2.298
Then patterns cover at least 128 MiB in the guest's memory 4.127

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

When I kill the allocating process 2.092
Then I find very few patterns in the guest's memory after 3 seconds 6.303

Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)

After features/support/hooks.rb:326 1.150
After features/support/hooks.rb:100 0.000
25.798
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.002
And I prepare Tails for memory erasure tests 0.414
And I find very few patterns in the guest's memory 3.419

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.421
Then patterns cover at least 99% of the test FS size in the guest's memory 3.586

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

When I umount "/mnt" 1.077
Then I find very few patterns in the guest's memory after 3 seconds 6.876

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

After features/support/hooks.rb:326 0.993
After features/support/hooks.rb:100 0.000
47.248
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.527
And I prepare Tails for memory erasure tests 0.433
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.188
Then I find very few patterns in the guest's memory 3.667

Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.699
Then patterns cover at least 75% of the test FS size in the guest's memory 3.274

Pattern coverage: 88.909% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.661
Then I find very few patterns in the guest's memory after 3 seconds 5.765

Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)

# read cache
When I mount the USB drive again 0.251
And I read the content of the test FS 0.458
Then patterns cover at least 99% of the test FS size in the guest's memory 3.255

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

When I umount the USB drive 0.577
Then I find very few patterns in the guest's memory after 3 seconds 6.486

Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)

After features/support/hooks.rb:326 0.870
After features/support/hooks.rb:100 0.000
1:19.238
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.833
And I prepare Tails for memory erasure tests 0.454
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.033
Then I find very few patterns in the guest's memory 2.850

Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.018
Then patterns cover at least 99% of the test FS size in the guest's memory 2.712

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

When I umount the USB drive 1.285
Then I find very few patterns in the guest's memory after 3 seconds 5.308

Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)

# read cache
When I mount the USB drive again 5.737
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 2.899

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

When I umount the USB drive 0.930
Then I find very few patterns in the guest's memory after 3 seconds 5.708

Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)

After features/support/hooks.rb:326 1.003
After features/support/hooks.rb:100 0.000
50.625
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.289
And I prepare Tails for memory erasure tests 0.396
When I fill a 128 MiB file with a known pattern on the root filesystem 17.251
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.628
Then patterns cover at least 128 MiB in the guest's memory 2.364

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

When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 20.682

Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)

After features/support/hooks.rb:326 3.532
After features/support/hooks.rb:100 0.000
7:33.534
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 6:49.431
And I prepare Tails for memory erasure tests 0.429
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.423
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.236

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:326 3.583
After features/support/hooks.rb:100 0.011