Project Number Date
test_Tails_ISO_stable 5109 22 Sep 2024, 12:34

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 11:42.570 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.
21.463
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.368
And I prepare Tails for memory erasure tests 0.371
When I start a process allocating 128 MiB of memory with a known pattern 2.431
Then patterns cover at least 128 MiB in the guest's memory 3.671

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

When I kill the allocating process 0.749
Then I find very few patterns in the guest's memory after 3 seconds 5.871

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

After features/support/hooks.rb:326 1.277
After features/support/hooks.rb:100 0.000
29.817
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.368
And I prepare Tails for memory erasure tests 0.446
And I find very few patterns in the guest's memory 2.930

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.914
Then patterns cover at least 99% of the test FS size in the guest's memory 5.468

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

When I umount "/mnt" 1.176
Then I find very few patterns in the guest's memory after 3 seconds 6.513

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:326 1.451
After features/support/hooks.rb:100 0.000
51.682
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.273
And I prepare Tails for memory erasure tests 0.416
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.101
Then I find very few patterns in the guest's memory 3.616

Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.537
Then patterns cover at least 75% of the test FS size in the guest's memory 4.513

Pattern coverage: 89.738% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.792
Then I find very few patterns in the guest's memory after 3 seconds 6.357

Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)

# read cache
When I mount the USB drive again 0.265
And I read the content of the test FS 0.880
Then patterns cover at least 99% of the test FS size in the guest's memory 4.003

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

When I umount the USB drive 1.118
Then I find very few patterns in the guest's memory after 3 seconds 6.804

Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)

After features/support/hooks.rb:326 1.252
After features/support/hooks.rb:100 0.000
1:19.723
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.266
And I prepare Tails for memory erasure tests 0.426
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.875
Then I find very few patterns in the guest's memory 2.311

Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.685
Then patterns cover at least 99% of the test FS size in the guest's memory 2.746

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

When I umount the USB drive 0.959
Then I find very few patterns in the guest's memory after 3 seconds 5.499

Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)

# read cache
When I mount the USB drive again 6.023
And I read the content of the test FS 0.477
Then patterns cover at least 99% of the test FS size in the guest's memory 2.637

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

When I umount the USB drive 1.168
Then I find very few patterns in the guest's memory after 3 seconds 7.646

Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)

After features/support/hooks.rb:326 1.276
After features/support/hooks.rb:100 0.000
52.921
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.526
And I prepare Tails for memory erasure tests 0.443
When I fill a 128 MiB file with a known pattern on the root filesystem 17.767
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.753
Then patterns cover at least 128 MiB in the guest's memory 3.275

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

When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.141

Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)

After features/support/hooks.rb:326 3.556
After features/support/hooks.rb:100 0.000
7:46.962
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:3.537
And I prepare Tails for memory erasure tests 0.444
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.827
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.138

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:326 3.480
After features/support/hooks.rb:100 0.013