Project Number Date
test_Tails_ISO_devel 3212 25 Dec 2023, 17:47

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 13:5.205 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.
18.223
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.036
And I prepare Tails for memory erasure tests 0.472
When I start a process allocating 128 MiB of memory with a known pattern 2.282
Then patterns cover at least 128 MiB in the guest's memory 3.144

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

When I kill the allocating process 0.323
Then I find very few patterns in the guest's memory 3.962

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

After features/support/hooks.rb:291 0.622
After features/support/hooks.rb:75 0.000
57.481
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.635
And I prepare Tails for memory erasure tests 0.519
And I find very few patterns in the guest's memory 3.738

Pattern coverage: 0.000% (0 MiB out of 1208 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 38.661
Then patterns cover at least 99% of the test FS size in the guest's memory 3.124

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

When I umount "/mnt" 0.193
Then I find very few patterns in the guest's memory 3.609

Pattern coverage: 0.000% (0 MiB out of 1208 MiB reference memory)

After features/support/hooks.rb:291 0.911
After features/support/hooks.rb:75 0.000
2:34.938
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.048
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.781
Then I find very few patterns in the guest's memory 3.767

Pattern coverage: 0.000% (0 MiB out of 1208 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2:0.815
Then patterns cover at least 86% of the test FS size in the guest's memory 2.956

Pattern coverage: 93.378% (116 MiB out of 124 MiB reference memory)

When I umount the USB drive 0.411
Then I find very few patterns in the guest's memory 3.660

Pattern coverage: 0.000% (0 MiB out of 1208 MiB reference memory)

# read cache
When I mount the USB drive again 0.328
And I read the content of the test FS 0.612
Then patterns cover at least 99% of the test FS size in the guest's memory 2.935

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

When I umount the USB drive 0.253
Then I find very few patterns in the guest's memory 3.925

Pattern coverage: 0.000% (0 MiB out of 1208 MiB reference memory)

After features/support/hooks.rb:291 1.477
After features/support/hooks.rb:75 0.000
2:28.662
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.873
And I prepare Tails for memory erasure tests 0.582
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 22.301
Then I find very few patterns in the guest's memory 3.667

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

# write cache
When I fill the USB drive with a known pattern 1:35.489
Then patterns cover at least 99% of the test FS size in the guest's memory 2.353

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

When I umount the USB drive 0.627
Then I find very few patterns in the guest's memory 3.361

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

# read cache
When I mount the USB drive again 5.458
And I read the content of the test FS 0.363
Then patterns cover at least 99% of the test FS size in the guest's memory 2.634

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

When I umount the USB drive 0.527
Then I find very few patterns in the guest's memory 3.421

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

After features/support/hooks.rb:291 0.796
After features/support/hooks.rb:75 0.000
50.628
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.174
And I prepare Tails for memory erasure tests 0.477
When I fill a 128 MiB file with a known pattern on the root filesystem 14.582
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.505
Then patterns cover at least 128 MiB in the guest's memory 3.289

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

When I trigger shutdown 0.787
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.791

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

After features/support/hooks.rb:291 3.429
After features/support/hooks.rb:75 0.000
5:55.270
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 5:10.740
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.647
When I trigger shutdown 0.390
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.022

Pattern coverage: 0.000% (0 MiB out of 1164 MiB reference memory)

After features/support/hooks.rb:291 3.465
After features/support/hooks.rb:75 0.010