Project Number Date
test_Tails_ISO_devel 3630 02 Jan 2025, 12:27

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 11:16.319 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.
21.777
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.077
And I prepare Tails for memory erasure tests 0.391
When I start a process allocating 128 MiB of memory with a known pattern 3.110
Then patterns cover at least 128 MiB in the guest's memory 3.207

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

When I kill the allocating process 1.159
Then I find very few patterns in the guest's memory after 3 seconds 5.830

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:326 0.887
After features/support/hooks.rb:100 0.000
23.656
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.997
And I prepare Tails for memory erasure tests 0.377
And I find very few patterns in the guest's memory 3.158

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.587
Then patterns cover at least 99% of the test FS size in the guest's memory 2.850

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

When I umount "/mnt" 0.903
Then I find very few patterns in the guest's memory after 3 seconds 5.782

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:326 1.006
After features/support/hooks.rb:100 0.000
57.103
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 11.421
And I prepare Tails for memory erasure tests 0.568
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.414
Then I find very few patterns in the guest's memory 3.031

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 7.025
Then patterns cover at least 75% of the test FS size in the guest's memory 3.865

Pattern coverage: 85.502% (109 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.691
Then I find very few patterns in the guest's memory after 3 seconds 6.647

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# read cache
When I mount the USB drive again 0.268
And I read the content of the test FS 0.666
Then patterns cover at least 99% of the test FS size in the guest's memory 4.090

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

When I umount the USB drive 0.895
Then I find very few patterns in the guest's memory after 3 seconds 6.515

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:326 2.091
After features/support/hooks.rb:100 0.000
1:17.537
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.116
And I prepare Tails for memory erasure tests 0.443
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.270
Then I find very few patterns in the guest's memory 2.356

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

# write cache
When I fill the USB drive with a known pattern 1.798
Then patterns cover at least 99% of the test FS size in the guest's memory 2.687

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

When I umount the USB drive 1.012
Then I find very few patterns in the guest's memory after 3 seconds 5.364

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

# read cache
When I mount the USB drive again 13.554
And I read the content of the test FS 0.392
Then patterns cover at least 99% of the test FS size in the guest's memory 2.313

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

When I umount the USB drive 0.591
Then I find very few patterns in the guest's memory after 3 seconds 5.635

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

After features/support/hooks.rb:326 1.179
After features/support/hooks.rb:100 0.000
54.879
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.632
And I prepare Tails for memory erasure tests 0.486
When I fill a 128 MiB file with a known pattern on the root filesystem 18.253
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.200
Then patterns cover at least 128 MiB in the guest's memory 2.554

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 20.737

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

After features/support/hooks.rb:326 3.497
After features/support/hooks.rb:100 0.000
7:21.365
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 6:38.308
And I prepare Tails for memory erasure tests 0.389
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.438
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.216

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:326 3.499
After features/support/hooks.rb:100 0.013