Project Number Date
test_Tails_ISO_devel 3233 12 Jan 2024, 12:32

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 14:14.915 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.
18.908
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.377
And I prepare Tails for memory erasure tests 0.521
When I start a process allocating 128 MiB of memory with a known pattern 1.232
Then patterns cover at least 128 MiB in the guest's memory 3.826

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

When I kill the allocating process 0.293
Then I find very few patterns in the guest's memory 4.657

Pattern coverage: 0.000% (0 MiB out of 1201 MiB reference memory)

After features/support/hooks.rb:291 0.951
After features/support/hooks.rb:75 0.000
1:0.430
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.097
And I prepare Tails for memory erasure tests 0.483
And I find very few patterns in the guest's memory 4.456

Pattern coverage: 0.000% (0 MiB out of 1204 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 38.460
Then patterns cover at least 99% of the test FS size in the guest's memory 4.455

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

When I umount "/mnt" 0.214
Then I find very few patterns in the guest's memory 4.262

Pattern coverage: 0.000% (0 MiB out of 1204 MiB reference memory)

After features/support/hooks.rb:291 0.920
After features/support/hooks.rb:75 0.000
3:3.254
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.308
And I prepare Tails for memory erasure tests 0.480
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.981
Then I find very few patterns in the guest's memory 5.007

Pattern coverage: 0.000% (0 MiB out of 1216 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2:20.960
Then patterns cover at least 86% of the test FS size in the guest's memory 4.078

Pattern coverage: 94.513% (117 MiB out of 124 MiB reference memory)

When I umount the USB drive 1.149
Then I find very few patterns in the guest's memory 4.434

Pattern coverage: 0.000% (0 MiB out of 1216 MiB reference memory)

# read cache
When I mount the USB drive again 0.229
And I read the content of the test FS 2.180
Then patterns cover at least 99% of the test FS size in the guest's memory 3.603

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

When I umount the USB drive 0.262
Then I find very few patterns in the guest's memory 4.576

Pattern coverage: 0.000% (0 MiB out of 1216 MiB reference memory)

After features/support/hooks.rb:291 0.958
After features/support/hooks.rb:75 0.000
2:47.489
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 0.516
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 24.189
Then I find very few patterns in the guest's memory 4.101

Pattern coverage: 0.000% (0 MiB out of 1221 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1:49.082
Then patterns cover at least 99% of the test FS size in the guest's memory 3.504

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

When I umount the USB drive 0.694
Then I find very few patterns in the guest's memory 4.693

Pattern coverage: 0.000% (0 MiB out of 1221 MiB reference memory)

# read cache
When I mount the USB drive again 4.441
And I read the content of the test FS 0.424
Then patterns cover at least 99% of the test FS size in the guest's memory 3.074

Pattern coverage: 108.661% (97 MiB out of 89 MiB reference memory)

When I umount the USB drive 1.394
Then I find very few patterns in the guest's memory 3.497

Pattern coverage: 0.000% (0 MiB out of 1221 MiB reference memory)

After features/support/hooks.rb:291 0.821
After features/support/hooks.rb:75 0.000
54.169
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.046
And I prepare Tails for memory erasure tests 0.540
When I fill a 128 MiB file with a known pattern on the root filesystem 15.479
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.784
Then patterns cover at least 128 MiB in the guest's memory 3.032

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

When I trigger shutdown 0.557
And I wait 20 seconds 20.003

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.725

Pattern coverage: 0.000% (0 MiB out of 1215 MiB reference memory)

After features/support/hooks.rb:291 3.444
After features/support/hooks.rb:75 0.000
6:10.663
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 5:26.202
And I prepare Tails for memory erasure tests 0.517
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.293
When I trigger shutdown 0.319
And I wait 20 seconds 20.012

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.317

Pattern coverage: 0.000% (0 MiB out of 1181 MiB reference memory)

After features/support/hooks.rb:291 3.493
After features/support/hooks.rb:75 0.022