Project Number Date
test_Tails_ISO_15451-support-manual-fsck-on-error 68 08 Sep 2024, 16:29

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 10:55.534 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.
22.745
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.109
And I prepare Tails for memory erasure tests 0.423
When I start a process allocating 128 MiB of memory with a known pattern 2.573
Then patterns cover at least 128 MiB in the guest's memory 3.638

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

When I kill the allocating process 1.329
Then I find very few patterns in the guest's memory after 3 seconds 6.670

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

After features/support/hooks.rb:326 1.274
After features/support/hooks.rb:100 0.000
23.574
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.385
And I prepare Tails for memory erasure tests 0.430
And I find very few patterns in the guest's memory 2.799

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.186
Then patterns cover at least 99% of the test FS size in the guest's memory 3.273

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

When I umount "/mnt" 0.723
Then I find very few patterns in the guest's memory after 3 seconds 5.775

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

After features/support/hooks.rb:326 0.862
After features/support/hooks.rb:100 0.000
47.024
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.942
And I prepare Tails for memory erasure tests 0.401
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.045
Then I find very few patterns in the guest's memory 3.071

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

# write cache
When I fill the USB drive with a known pattern 2.538
Then patterns cover at least 75% of the test FS size in the guest's memory 3.194

Pattern coverage: 86.604% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.472
Then I find very few patterns in the guest's memory after 3 seconds 6.260

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

# read cache
When I mount the USB drive again 0.280
And I read the content of the test FS 0.672
Then patterns cover at least 99% of the test FS size in the guest's memory 4.092

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

When I umount the USB drive 0.808
Then I find very few patterns in the guest's memory after 3 seconds 6.244

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

After features/support/hooks.rb:326 0.856
After features/support/hooks.rb:100 0.000
1:17.401
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.005
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.924
Then I find very few patterns in the guest's memory 2.457

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

# write cache
When I fill the USB drive with a known pattern 3.129
Then patterns cover at least 99% of the test FS size in the guest's memory 2.634

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

When I umount the USB drive 0.966
Then I find very few patterns in the guest's memory after 3 seconds 5.209

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

# read cache
When I mount the USB drive again 5.894
And I read the content of the test FS 0.438
Then patterns cover at least 99% of the test FS size in the guest's memory 2.896

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

When I umount the USB drive 1.179
Then I find very few patterns in the guest's memory after 3 seconds 5.241

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

After features/support/hooks.rb:326 0.811
After features/support/hooks.rb:100 0.000
51.008
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.014
And I prepare Tails for memory erasure tests 0.397
When I fill a 128 MiB file with a known pattern on the root filesystem 17.555
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.782
Then patterns cover at least 128 MiB in the guest's memory 2.519

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

When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.722

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:326 3.463
After features/support/hooks.rb:100 0.000
7:13.779
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 6:31.055
And I prepare Tails for memory erasure tests 0.552
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.997
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.161

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

After features/support/hooks.rb:326 3.524
After features/support/hooks.rb:100 0.011