Project Number Date
test_Tails_ISO_18215-update-chutney-force-all-tests 12 28 Mar 2025, 12:51

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 12:48.660 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.
24.658
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 8.570
And I prepare Tails for memory erasure tests 0.614
When I start a process allocating 128 MiB of memory with a known pattern 1.411
Then patterns cover at least 128 MiB in the guest's memory 4.519

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

When I kill the allocating process 0.883
Then I find very few patterns in the guest's memory after 5 seconds 8.658

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:330 0.768
After features/support/hooks.rb:100 0.000
28.533
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 9.970
And I prepare Tails for memory erasure tests 0.575
And I find very few patterns in the guest's memory 4.061

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.768
Then patterns cover at least 99% of the test FS size in the guest's memory 4.453

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

When I umount "/mnt" 0.318
Then I find very few patterns in the guest's memory after 3 seconds 7.384

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:330 1.211
After features/support/hooks.rb:100 0.000
56.809
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 9.065
And I prepare Tails for memory erasure tests 0.516
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.678
Then I find very few patterns in the guest's memory 3.777

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

# write cache
When I fill the USB drive with a known pattern 3.313
Then patterns cover at least 75% of the test FS size in the guest's memory 4.155

Pattern coverage: 85.416% (108 MiB out of 127 MiB reference memory)

When I umount the USB drive 5.752
Then I find very few patterns in the guest's memory after 3 seconds 6.994

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

# read cache
When I mount the USB drive again 0.391
And I read the content of the test FS 1.201
Then patterns cover at least 99% of the test FS size in the guest's memory 4.306

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

When I umount the USB drive 1.358
Then I find very few patterns in the guest's memory after 3 seconds 6.296

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

After features/support/hooks.rb:330 1.099
After features/support/hooks.rb:100 0.000
1:21.649
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 8.951
And I prepare Tails for memory erasure tests 0.900
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.500
Then I find very few patterns in the guest's memory 2.510

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.770
Then patterns cover at least 99% of the test FS size in the guest's memory 3.017

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

When I umount the USB drive 0.817
Then I find very few patterns in the guest's memory after 3 seconds 6.129

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

# read cache
When I mount the USB drive again 4.591
And I read the content of the test FS 0.482
Then patterns cover at least 99% of the test FS size in the guest's memory 3.574

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

When I umount the USB drive 0.570
Then I find very few patterns in the guest's memory after 3 seconds 7.832

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:330 1.840
After features/support/hooks.rb:100 0.000
54.229
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 9.061
And I prepare Tails for memory erasure tests 0.471
When I fill a 128 MiB file with a known pattern on the root filesystem 17.761
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.477
Then patterns cover at least 128 MiB in the guest's memory 3.413

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

When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.027

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:330 3.507
After features/support/hooks.rb:100 0.000
8:42.780
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 7:57.646
And I prepare Tails for memory erasure tests 0.496
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.222
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.399

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

After features/support/hooks.rb:330 3.501
After features/support/hooks.rb:100 0.012