Project Number Date
test_Tails_ISO_devel 3255 27 Jan 2024, 12:18

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 14:24.211 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.
19.227
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.891
And I prepare Tails for memory erasure tests 0.504
When I start a process allocating 128 MiB of memory with a known pattern 1.216
Then patterns cover at least 128 MiB in the guest's memory 4.950

Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)

When I kill the allocating process 0.312
Then I find very few patterns in the guest's memory 4.351

Pattern coverage: 0.000% (0 MiB out of 1191 MiB reference memory)

After features/support/hooks.rb:291 0.801
After features/support/hooks.rb:75 0.000
57.899
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.661
And I prepare Tails for memory erasure tests 0.492
And I find very few patterns in the guest's memory 4.159

Pattern coverage: 0.000% (0 MiB out of 1218 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 37.770
Then patterns cover at least 99% of the test FS size in the guest's memory 3.069

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

When I umount "/mnt" 0.271
Then I find very few patterns in the guest's memory 3.473

Pattern coverage: 0.000% (0 MiB out of 1218 MiB reference memory)

After features/support/hooks.rb:291 0.733
After features/support/hooks.rb:75 0.000
3:39.360
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.099
And I prepare Tails for memory erasure tests 0.495
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.189
Then I find very few patterns in the guest's memory 3.506

Pattern coverage: 0.000% (0 MiB out of 1212 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3:1.104
Then patterns cover at least 86% of the test FS size in the guest's memory 3.108

Pattern coverage: 97.751% (121 MiB out of 124 MiB reference memory)

When I umount the USB drive 0.564
Then I find very few patterns in the guest's memory 3.742

Pattern coverage: 0.000% (0 MiB out of 1212 MiB reference memory)

# read cache
When I mount the USB drive again 0.288
And I read the content of the test FS 0.776
Then patterns cover at least 99% of the test FS size in the guest's memory 5.109

Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)

When I umount the USB drive 0.329
Then I find very few patterns in the guest's memory 5.047

Pattern coverage: 0.000% (0 MiB out of 1212 MiB reference memory)

After features/support/hooks.rb:291 0.850
After features/support/hooks.rb:75 0.000
2:33.827
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.011
And I prepare Tails for memory erasure tests 0.546
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 25.727
Then I find very few patterns in the guest's memory 3.225

Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1:36.504
Then patterns cover at least 99% of the test FS size in the guest's memory 2.799

Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)

When I umount the USB drive 1.068
Then I find very few patterns in the guest's memory 3.341

Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)

# read cache
When I mount the USB drive again 5.966
And I read the content of the test FS 0.433
Then patterns cover at least 99% of the test FS size in the guest's memory 2.592

Pattern coverage: 108.662% (97 MiB out of 89 MiB reference memory)

When I umount the USB drive 0.449
Then I find very few patterns in the guest's memory 3.159

Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)

After features/support/hooks.rb:291 1.069
After features/support/hooks.rb:75 0.000
52.171
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.163
And I prepare Tails for memory erasure tests 0.482
When I fill a 128 MiB file with a known pattern on the root filesystem 16.588
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.661
Then patterns cover at least 128 MiB in the guest's memory 2.558

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

When I trigger shutdown 0.724
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.970

Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)

After features/support/hooks.rb:291 3.426
After features/support/hooks.rb:75 0.000
6:1.726
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:15.901
And I prepare Tails for memory erasure tests 0.451
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.073
When I trigger shutdown 0.232
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.046

Pattern coverage: 0.000% (0 MiB out of 1189 MiB reference memory)

After features/support/hooks.rb:291 3.486
After features/support/hooks.rb:75 0.012