Project Number Date
test_Tails_ISO_arti-1.4.3 10 16 May 2025, 02:55

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 11:1.487 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.
25.102
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.153
And I prepare Tails for memory erasure tests 0.436
When I start a process allocating 128 MiB of memory with a known pattern 1.958
Then patterns cover at least 128 MiB in the guest's memory 3.312

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

When I kill the allocating process 2.644
Then I find very few patterns in the guest's memory after 5 seconds 8.597

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:330 0.722
After features/support/hooks.rb:100 0.000
24.043
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.138
And I prepare Tails for memory erasure tests 0.429
And I find very few patterns in the guest's memory 3.708

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.728
Then patterns cover at least 99% of the test FS size in the guest's memory 3.515

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

When I umount "/mnt" 0.387
Then I find very few patterns in the guest's memory after 3 seconds 6.134

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

After features/support/hooks.rb:330 0.634
After features/support/hooks.rb:100 0.000
52.381
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.868
And I prepare Tails for memory erasure tests 0.532
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.054
Then I find very few patterns in the guest's memory 4.093

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

# write cache
When I fill the USB drive with a known pattern 5.443
Then patterns cover at least 75% of the test FS size in the guest's memory 4.181

Pattern coverage: 87.837% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.047
Then I find very few patterns in the guest's memory after 3 seconds 6.640

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

# read cache
When I mount the USB drive again 0.774
And I read the content of the test FS 0.553
Then patterns cover at least 99% of the test FS size in the guest's memory 3.947

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

When I umount the USB drive 0.347
Then I find very few patterns in the guest's memory after 3 seconds 6.896

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

After features/support/hooks.rb:330 0.709
After features/support/hooks.rb:100 0.000
1:10.338
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.839
And I prepare Tails for memory erasure tests 0.457
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.824
Then I find very few patterns in the guest's memory 2.505

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.725
Then patterns cover at least 99% of the test FS size in the guest's memory 3.041

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

When I umount the USB drive 0.735
Then I find very few patterns in the guest's memory after 3 seconds 6.047

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# read cache
When I mount the USB drive again 3.336
And I read the content of the test FS 0.459
Then patterns cover at least 99% of the test FS size in the guest's memory 3.207

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

When I umount the USB drive 0.412
Then I find very few patterns in the guest's memory after 3 seconds 5.744

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:330 1.211
After features/support/hooks.rb:100 0.000
51.859
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.994
And I prepare Tails for memory erasure tests 0.392
When I fill a 128 MiB file with a known pattern on the root filesystem 17.678
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.552
Then patterns cover at least 128 MiB in the guest's memory 3.132

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.094

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

After features/support/hooks.rb:330 3.548
After features/support/hooks.rb:100 0.000
7:17.761
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:33.624
And I prepare Tails for memory erasure tests 0.514
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.269
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.339

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:330 3.512
After features/support/hooks.rb:100 0.018