Project Number Date
test_Tails_ISO_devel 3669 29 Jan 2025, 02:42

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 11:20.709 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.
22.486
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.195
And I prepare Tails for memory erasure tests 0.419
When I start a process allocating 128 MiB of memory with a known pattern 2.491
Then patterns cover at least 128 MiB in the guest's memory 3.187

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

When I kill the allocating process 0.268
Then I find very few patterns in the guest's memory after 5 seconds 7.923

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

After features/support/hooks.rb:326 1.562
After features/support/hooks.rb:100 0.000
27.519
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.500
And I prepare Tails for memory erasure tests 0.438
And I find very few patterns in the guest's memory 3.073

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 5.843
Then patterns cover at least 99% of the test FS size in the guest's memory 3.165

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

When I umount "/mnt" 0.747
Then I find very few patterns in the guest's memory after 3 seconds 5.750

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 0.867
After features/support/hooks.rb:100 0.000
49.811
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.337
And I prepare Tails for memory erasure tests 0.469
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.070
Then I find very few patterns in the guest's memory 3.097

Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.805
Then patterns cover at least 75% of the test FS size in the guest's memory 4.435

Pattern coverage: 88.541% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.869
Then I find very few patterns in the guest's memory after 3 seconds 6.462

Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)

# read cache
When I mount the USB drive again 0.308
And I read the content of the test FS 0.968
Then patterns cover at least 99% of the test FS size in the guest's memory 3.420

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

When I umount the USB drive 2.076
Then I find very few patterns in the guest's memory after 3 seconds 6.489

Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)

After features/support/hooks.rb:326 1.211
After features/support/hooks.rb:100 0.000
1:18.424
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.294
And I prepare Tails for memory erasure tests 0.946
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.242
Then I find very few patterns in the guest's memory 2.702

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

# write cache
When I fill the USB drive with a known pattern 2.276
Then patterns cover at least 99% of the test FS size in the guest's memory 2.854

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

When I umount the USB drive 1.245
Then I find very few patterns in the guest's memory after 3 seconds 5.643

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

# read cache
When I mount the USB drive again 5.113
And I read the content of the test FS 0.426
Then patterns cover at least 99% of the test FS size in the guest's memory 3.062

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 1.614
Then I find very few patterns in the guest's memory after 3 seconds 6.000

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

After features/support/hooks.rb:326 0.844
After features/support/hooks.rb:100 0.000
51.697
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.351
And I prepare Tails for memory erasure tests 0.423
When I fill a 128 MiB file with a known pattern on the root filesystem 16.717
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.361
Then patterns cover at least 128 MiB in the guest's memory 2.997

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 20.833

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 3.525
After features/support/hooks.rb:100 0.000
7:30.771
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 6:46.414
And I prepare Tails for memory erasure tests 0.398
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.770
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.176

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

After features/support/hooks.rb:326 3.543
After features/support/hooks.rb:100 0.013