Project Number Date
test_Tails_ISO_stable 4542 30 Nov 2023, 16:16

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 15:8.979 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
18.189
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.072
And I prepare Tails for memory erasure tests 0.421
When I start a process allocating 128 MiB of memory with a known pattern 1.786
Then patterns cover at least 128 MiB in the guest's memory 3.435 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.773
Then I find very few patterns in the guest's memory 3.700 
Pattern coverage: 0.000% (0 MiB out of 1176 MiB reference memory)
After features/support/hooks.rb:291 0.718
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:6.865
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 11.367
And I prepare Tails for memory erasure tests 0.473
And I find very few patterns in the guest's memory 3.641 
Pattern coverage: 0.000% (0 MiB out of 1199 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 44.248
Then patterns cover at least 99% of the test FS size in the guest's memory 3.072 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.241
Then I find very few patterns in the guest's memory 3.819 
Pattern coverage: 0.000% (0 MiB out of 1199 MiB reference memory)
After features/support/hooks.rb:291 0.775
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:37.142
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.044
And I prepare Tails for memory erasure tests 0.484
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.987
Then I find very few patterns in the guest's memory 3.662 
Pattern coverage: 0.000% (0 MiB out of 1194 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3:0.104
Then patterns cover at least 86% of the test FS size in the guest's memory 3.154 
Pattern coverage: 97.221% (121 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.690
Then I find very few patterns in the guest's memory 3.658 
Pattern coverage: 0.000% (0 MiB out of 1194 MiB reference memory)
# read cache
When I mount the USB drive again 0.231
And I read the content of the test FS 0.627
Then patterns cover at least 99% of the test FS size in the guest's memory 2.962 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 1.883
Then I find very few patterns in the guest's memory 3.651 
Pattern coverage: 0.000% (0 MiB out of 1194 MiB reference memory)
After features/support/hooks.rb:291 6.862
After features/support/hooks.rb:75 0.001
Tags: @product @slow @not_release_blocker
3:4.209
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.328
And I prepare Tails for memory erasure tests 0.473
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.202
Then I find very few patterns in the guest's memory 3.119 
Pattern coverage: 0.000% (0 MiB out of 1184 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:57.140
Then patterns cover at least 99% of the test FS size in the guest's memory 2.758 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.698
Then I find very few patterns in the guest's memory 3.403 
Pattern coverage: 0.000% (0 MiB out of 1184 MiB reference memory)
# read cache
When I mount the USB drive again 3.378
And I read the content of the test FS 0.371
Then patterns cover at least 99% of the test FS size in the guest's memory 2.451 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 1.478
Then I find very few patterns in the guest's memory 3.404 
Pattern coverage: 0.000% (0 MiB out of 1184 MiB reference memory)
After features/support/hooks.rb:291 0.859
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
51.491
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.439
And I prepare Tails for memory erasure tests 0.506
When I fill a 128 MiB file with a known pattern on the root filesystem 14.551
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.997
Then patterns cover at least 128 MiB in the guest's memory 2.602 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.633
And I wait 20 seconds 20.017 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.743 
Pattern coverage: 0.000% (0 MiB out of 1193 MiB reference memory)
After features/support/hooks.rb:291 3.418
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:11.080
Before features/support/hooks.rb:245 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:27.049
And I prepare Tails for memory erasure tests 0.428
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.044
When I trigger shutdown 0.339
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.198 
Pattern coverage: 0.000% (0 MiB out of 1170 MiB reference memory)
After features/support/hooks.rb:291 3.470
After features/support/hooks.rb:75 0.011