Project Number Date
test_Tails_ISO_15451-support-manual-fsck-on-error 17 04 Aug 2024, 16:17

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 11:22.374 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.
20.095
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.196
And I prepare Tails for memory erasure tests 0.446
When I start a process allocating 128 MiB of memory with a known pattern 1.304
Then patterns cover at least 128 MiB in the guest's memory 4.790

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

When I kill the allocating process 1.297
Then I find very few patterns in the guest's memory 4.059

Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)

After features/support/hooks.rb:326 1.047
After features/support/hooks.rb:100 0.000
25.559
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.894
And I prepare Tails for memory erasure tests 0.525
And I find very few patterns in the guest's memory 4.444

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.980
Then patterns cover at least 99% of the test FS size in the guest's memory 3.689

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

When I umount "/mnt" 0.718
Then I find very few patterns in the guest's memory 4.307

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

After features/support/hooks.rb:326 1.548
After features/support/hooks.rb:100 0.000
49.875
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.487
And I prepare Tails for memory erasure tests 0.625
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.205
Then I find very few patterns in the guest's memory 4.248

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

# write cache
When I fill the USB drive with a known pattern 2.900
Then patterns cover at least 86% of the test FS size in the guest's memory 4.272

Pattern coverage: 88.627% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.764
Then I find very few patterns in the guest's memory 4.651

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

# read cache
When I mount the USB drive again 0.680
And I read the content of the test FS 0.849
Then patterns cover at least 99% of the test FS size in the guest's memory 4.660

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

When I umount the USB drive 0.823
Then I find very few patterns in the guest's memory 4.704

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

After features/support/hooks.rb:326 1.379
After features/support/hooks.rb:100 0.000
1:19.132
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.287
And I prepare Tails for memory erasure tests 0.430
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.716
Then I find very few patterns in the guest's memory 4.022

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.230
Then patterns cover at least 99% of the test FS size in the guest's memory 3.141

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

When I umount the USB drive 1.233
Then I find very few patterns in the guest's memory 3.613

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# read cache
When I mount the USB drive again 6.297
And I read the content of the test FS 0.436
Then patterns cover at least 99% of the test FS size in the guest's memory 2.916

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

When I umount the USB drive 4.513
Then I find very few patterns in the guest's memory 5.293

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:326 0.956
After features/support/hooks.rb:100 0.000
52.271
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.688
And I prepare Tails for memory erasure tests 0.422
When I fill a 128 MiB file with a known pattern on the root filesystem 16.901
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.941
Then patterns cover at least 128 MiB in the guest's memory 2.505

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

When I trigger shutdown 0.017
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.775

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 3.509
After features/support/hooks.rb:100 0.000
7:35.438
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 6:51.900
And I prepare Tails for memory erasure tests 0.512
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.876
When I trigger shutdown 0.017
And I wait 20 seconds 20.016

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.115

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:326 3.531
After features/support/hooks.rb:100 0.012