Project Number Date
test_Tails_ISO_stable 4566 13 Dec 2023, 12:11

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 14:15.252 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
17.377
Before features/support/hooks.rb:245 0.005
Given I have started Tails from DVD without network and logged in 8.041
And I prepare Tails for memory erasure tests 0.582
When I start a process allocating 128 MiB of memory with a known pattern 1.290
Then patterns cover at least 128 MiB in the guest's memory 3.450 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.273
Then I find very few patterns in the guest's memory 3.739 
Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)
After features/support/hooks.rb:291 1.480
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:3.417
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.268
And I prepare Tails for memory erasure tests 0.656
And I find very few patterns in the guest's memory 3.882 
Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 43.604
Then patterns cover at least 99% of the test FS size in the guest's memory 3.062 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.200
Then I find very few patterns in the guest's memory 3.742 
Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)
After features/support/hooks.rb:291 2.382
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:19.309
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.465
And I prepare Tails for memory erasure tests 0.488
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.831
Then I find very few patterns in the guest's memory 3.760 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:42.140
Then patterns cover at least 86% of the test FS size in the guest's memory 2.843 
Pattern coverage: 95.500% (119 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.463
Then I find very few patterns in the guest's memory 3.633 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
# read cache
When I mount the USB drive again 0.236
And I read the content of the test FS 0.529
Then patterns cover at least 99% of the test FS size in the guest's memory 3.324 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.302
Then I find very few patterns in the guest's memory 4.288 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
After features/support/hooks.rb:291 0.772
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:47.014
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.493
And I prepare Tails for memory erasure tests 0.545
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.409
Then I find very few patterns in the guest's memory 3.502 
Pattern coverage: 0.000% (0 MiB out of 1217 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:46.475
Then patterns cover at least 99% of the test FS size in the guest's memory 2.965 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.555
Then I find very few patterns in the guest's memory 3.405 
Pattern coverage: 0.000% (0 MiB out of 1217 MiB reference memory)
# read cache
When I mount the USB drive again 3.943
And I read the content of the test FS 0.450
Then patterns cover at least 99% of the test FS size in the guest's memory 2.827 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.577
Then I find very few patterns in the guest's memory 3.859 
Pattern coverage: 0.000% (0 MiB out of 1217 MiB reference memory)
After features/support/hooks.rb:291 1.204
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
49.280
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.282
And I prepare Tails for memory erasure tests 0.502
When I fill a 128 MiB file with a known pattern on the root filesystem 13.989
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.236
Then patterns cover at least 128 MiB in the guest's memory 2.488 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.901
And I wait 20 seconds 20.018 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.860 
Pattern coverage: 0.000% (0 MiB out of 1186 MiB reference memory)
After features/support/hooks.rb:291 3.650
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
5:58.853
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 5:13.253
And I prepare Tails for memory erasure tests 0.478
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.486
When I trigger shutdown 0.464
And I wait 20 seconds 20.016 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.153 
Pattern coverage: 0.000% (0 MiB out of 1177 MiB reference memory)
After features/support/hooks.rb:291 3.474
After features/support/hooks.rb:75 0.013