Project Number Date
test_Tails_ISO_stable 4658 09 Feb 2024, 15:42

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 13:37.850 Passed
Tags: @product @slow @not_release_blocker
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.
Tags: @product @slow @not_release_blocker
20.895
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.856
And I prepare Tails for memory erasure tests 0.516
When I start a process allocating 128 MiB of memory with a known pattern 1.309
Then patterns cover at least 128 MiB in the guest's memory 4.092 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.547
Then I find very few patterns in the guest's memory 4.572 
Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)
After features/support/hooks.rb:291 0.796
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:3.268
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.028
And I prepare Tails for memory erasure tests 0.498
And I find very few patterns in the guest's memory 4.548 
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 40.735
Then patterns cover at least 99% of the test FS size in the guest's memory 4.187 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.308
Then I find very few patterns in the guest's memory 4.962 
Pattern coverage: 0.000% (0 MiB out of 1204 MiB reference memory)
After features/support/hooks.rb:291 0.929
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:53.862
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.656
And I prepare Tails for memory erasure tests 0.722
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.111
Then I find very few patterns in the guest's memory 4.832 
Pattern coverage: 0.000% (0 MiB out of 1212 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:11.226
Then patterns cover at least 86% of the test FS size in the guest's memory 3.238 
Pattern coverage: 95.450% (118 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.887
Then I find very few patterns in the guest's memory 3.376 
Pattern coverage: 0.000% (0 MiB out of 1212 MiB reference memory)
# read cache
When I mount the USB drive again 0.223
And I read the content of the test FS 2.226
Then patterns cover at least 99% of the test FS size in the guest's memory 5.338 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.487
Then I find very few patterns in the guest's memory 4.532 
Pattern coverage: 0.000% (0 MiB out of 1212 MiB reference memory)
After features/support/hooks.rb:291 0.822
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:29.845
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.244
And I prepare Tails for memory erasure tests 0.529
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 22.102
Then I find very few patterns in the guest's memory 3.535 
Pattern coverage: 0.000% (0 MiB out of 1212 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:38.158
Then patterns cover at least 99% of the test FS size in the guest's memory 2.916 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.504
Then I find very few patterns in the guest's memory 3.310 
Pattern coverage: 0.000% (0 MiB out of 1212 MiB reference memory)
# read cache
When I mount the USB drive again 3.339
And I read the content of the test FS 0.381
Then patterns cover at least 99% of the test FS size in the guest's memory 2.678 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.412
Then I find very few patterns in the guest's memory 3.733 
Pattern coverage: 0.000% (0 MiB out of 1212 MiB reference memory)
After features/support/hooks.rb:291 0.963
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
56.207
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 7.877
And I prepare Tails for memory erasure tests 0.558
When I fill a 128 MiB file with a known pattern on the root filesystem 16.721
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.774
Then patterns cover at least 128 MiB in the guest's memory 6.463 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.879
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.911 
Pattern coverage: 0.000% (0 MiB out of 1220 MiB reference memory)
After features/support/hooks.rb:291 3.477
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
5:53.771
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 5:9.379
And I prepare Tails for memory erasure tests 0.468
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.259
When I trigger shutdown 0.462
And I wait 20 seconds 20.017 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.184 
Pattern coverage: 0.000% (0 MiB out of 1187 MiB reference memory)
After features/support/hooks.rb:291 3.447
After features/support/hooks.rb:75 0.012