Project Number Date
test_Tails_ISO_20522-ocr-more 13 22 Dec 2024, 05:13

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 12:4.202 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.
33.695
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 21.493
And I prepare Tails for memory erasure tests 0.429
When I start a process allocating 128 MiB of memory with a known pattern 1.193
Then patterns cover at least 128 MiB in the guest's memory 3.279

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

When I kill the allocating process 0.301
Then I find very few patterns in the guest's memory after 3 seconds 6.998

Pattern coverage: 0.000% (0 MiB out of 699 MiB reference memory)

After features/support/hooks.rb:326 0.872
After features/support/hooks.rb:100 0.000
25.250
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.977
And I prepare Tails for memory erasure tests 0.382
And I find very few patterns in the guest's memory 2.970

Pattern coverage: 0.000% (0 MiB out of 703 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.535
Then patterns cover at least 99% of the test FS size in the guest's memory 3.409

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

When I umount "/mnt" 0.312
Then I find very few patterns in the guest's memory after 3 seconds 6.663

Pattern coverage: 0.000% (0 MiB out of 703 MiB reference memory)

After features/support/hooks.rb:326 0.728
After features/support/hooks.rb:100 0.000
50.985
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.262
And I prepare Tails for memory erasure tests 0.406
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.223
Then I find very few patterns in the guest's memory 3.341

Pattern coverage: 0.000% (0 MiB out of 706 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.961
Then patterns cover at least 75% of the test FS size in the guest's memory 5.665

Pattern coverage: 79.541% (101 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.877
Then I find very few patterns in the guest's memory after 3 seconds 6.200

Pattern coverage: 0.000% (0 MiB out of 706 MiB reference memory)

# read cache
When I mount the USB drive again 0.276
And I read the content of the test FS 0.867
Then patterns cover at least 99% of the test FS size in the guest's memory 4.194

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

When I umount the USB drive 0.433
Then I find very few patterns in the guest's memory after 3 seconds 6.274

Pattern coverage: 0.000% (0 MiB out of 706 MiB reference memory)

After features/support/hooks.rb:326 1.699
After features/support/hooks.rb:100 0.000
1:17.024
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.647
And I prepare Tails for memory erasure tests 0.470
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.581
Then I find very few patterns in the guest's memory 2.886

Pattern coverage: 0.000% (0 MiB out of 707 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.891
Then patterns cover at least 99% of the test FS size in the guest's memory 3.636

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

When I umount the USB drive 0.996
Then I find very few patterns in the guest's memory after 3 seconds 7.756

Pattern coverage: 0.000% (0 MiB out of 707 MiB reference memory)

# read cache
When I mount the USB drive again 4.813
And I read the content of the test FS 0.470
Then patterns cover at least 99% of the test FS size in the guest's memory 2.856

Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.671
Then I find very few patterns in the guest's memory after 3 seconds 5.346

Pattern coverage: 0.000% (0 MiB out of 707 MiB reference memory)

After features/support/hooks.rb:326 0.992
After features/support/hooks.rb:100 0.000
53.695
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.239
And I prepare Tails for memory erasure tests 0.500
When I fill a 128 MiB file with a known pattern on the root filesystem 19.174
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.442
Then patterns cover at least 128 MiB in the guest's memory 3.252

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

When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.069

Pattern coverage: 0.000% (0 MiB out of 718 MiB reference memory)

After features/support/hooks.rb:326 3.707
After features/support/hooks.rb:100 0.000
8:3.551
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:19.025
And I prepare Tails for memory erasure tests 0.490
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.682
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.335

Pattern coverage: 0.000% (0 MiB out of 739 MiB reference memory)

After features/support/hooks.rb:326 3.756
After features/support/hooks.rb:100 0.021