Project Number Date
test_Tails_ISO_devel 3536 08 Oct 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 51 0 0 0 0 51 6 0 6 12:1.839 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.
24.416
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.085
And I prepare Tails for memory erasure tests 0.454
When I start a process allocating 128 MiB of memory with a known pattern 1.242
Then patterns cover at least 128 MiB in the guest's memory 3.950

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

When I kill the allocating process 2.646
Then I find very few patterns in the guest's memory after 3 seconds 6.035

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

After features/support/hooks.rb:326 0.874
After features/support/hooks.rb:100 0.000
24.963
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.451
And I prepare Tails for memory erasure tests 0.522
And I find very few patterns in the guest's memory 3.060

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.089
Then patterns cover at least 99% of the test FS size in the guest's memory 3.822

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

When I umount "/mnt" 0.934
Then I find very few patterns in the guest's memory after 3 seconds 6.083

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

After features/support/hooks.rb:326 0.940
After features/support/hooks.rb:100 0.000
52.063
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.881
And I prepare Tails for memory erasure tests 0.521
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.206
Then I find very few patterns in the guest's memory 3.072

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.128
Then patterns cover at least 75% of the test FS size in the guest's memory 4.191

Pattern coverage: 91.183% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.503
Then I find very few patterns in the guest's memory after 3 seconds 7.158

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

# read cache
When I mount the USB drive again 1.055
And I read the content of the test FS 0.762
Then patterns cover at least 99% of the test FS size in the guest's memory 3.914

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

When I umount the USB drive 1.128
Then I find very few patterns in the guest's memory after 3 seconds 6.538

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

After features/support/hooks.rb:326 1.395
After features/support/hooks.rb:100 0.000
1:15.018
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.268
And I prepare Tails for memory erasure tests 0.550
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.851
Then I find very few patterns in the guest's memory 2.313

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.731
Then patterns cover at least 99% of the test FS size in the guest's memory 2.937

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

When I umount the USB drive 1.050
Then I find very few patterns in the guest's memory after 3 seconds 5.535

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

# read cache
When I mount the USB drive again 6.383
And I read the content of the test FS 0.730
Then patterns cover at least 99% of the test FS size in the guest's memory 3.681

Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.853
Then I find very few patterns in the guest's memory after 3 seconds 6.129

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:326 2.919
After features/support/hooks.rb:100 0.000
51.065
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.450
And I prepare Tails for memory erasure tests 0.551
When I fill a 128 MiB file with a known pattern on the root filesystem 15.873
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.068
Then patterns cover at least 128 MiB in the guest's memory 3.258

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 20.849

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:326 3.517
After features/support/hooks.rb:100 0.000
8:14.313
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 7:29.185
And I prepare Tails for memory erasure tests 0.474
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.308
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.333

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:326 3.574
After features/support/hooks.rb:100 0.015