Project Number Date
test_Tails_ISO_stable 4559 08 Dec 2023, 12:12

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 14:1.328 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
18.520
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 7.937
And I prepare Tails for memory erasure tests 0.624
When I start a process allocating 128 MiB of memory with a known pattern 2.327
Then patterns cover at least 128 MiB in the guest's memory 3.523 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.262
Then I find very few patterns in the guest's memory 3.845 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
After features/support/hooks.rb:291 0.669
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:4.130
Before features/support/hooks.rb:245 0.007
Given I have started Tails from DVD without network and logged in 7.874
And I prepare Tails for memory erasure tests 0.519
And I find very few patterns in the guest's memory 5.244 
Pattern coverage: 0.000% (0 MiB out of 1201 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 42.914
Then patterns cover at least 99% of the test FS size in the guest's memory 3.382 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.269
Then I find very few patterns in the guest's memory 3.925 
Pattern coverage: 0.000% (0 MiB out of 1201 MiB reference memory)
After features/support/hooks.rb:291 1.371
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:11.124
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.119
And I prepare Tails for memory erasure tests 0.486
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.863
Then I find very few patterns in the guest's memory 3.824 
Pattern coverage: 0.000% (0 MiB out of 1200 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:35.351
Then patterns cover at least 86% of the test FS size in the guest's memory 3.065 
Pattern coverage: 94.541% (117 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.645
Then I find very few patterns in the guest's memory 3.680 
Pattern coverage: 0.000% (0 MiB out of 1200 MiB reference memory)
# read cache
When I mount the USB drive again 0.233
And I read the content of the test FS 0.609
Then patterns cover at least 99% of the test FS size in the guest's memory 3.169 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.316
Then I find very few patterns in the guest's memory 3.759 
Pattern coverage: 0.000% (0 MiB out of 1200 MiB reference memory)
After features/support/hooks.rb:291 0.946
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:39.432
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.778
And I prepare Tails for memory erasure tests 0.531
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 25.063
Then I find very few patterns in the guest's memory 3.603 
Pattern coverage: 0.000% (0 MiB out of 1196 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:44.876
Then patterns cover at least 99% of the test FS size in the guest's memory 2.980 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.601
Then I find very few patterns in the guest's memory 3.345 
Pattern coverage: 0.000% (0 MiB out of 1196 MiB reference memory)
# read cache
When I mount the USB drive again 3.239
And I read the content of the test FS 0.390
Then patterns cover at least 99% of the test FS size in the guest's memory 2.496 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 1.279
Then I find very few patterns in the guest's memory 3.246 
Pattern coverage: 0.000% (0 MiB out of 1196 MiB reference memory)
After features/support/hooks.rb:291 1.240
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
48.362
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.875
And I prepare Tails for memory erasure tests 0.536
When I fill a 128 MiB file with a known pattern on the root filesystem 13.216
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.547
Then patterns cover at least 128 MiB in the guest's memory 2.696 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.608
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.861 
Pattern coverage: 0.000% (0 MiB out of 1193 MiB reference memory)
After features/support/hooks.rb:291 3.483
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
5:59.758
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 5:14.046
And I prepare Tails for memory erasure tests 0.465
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.577
When I trigger shutdown 0.394
And I wait 20 seconds 20.009 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.265 
Pattern coverage: 0.000% (0 MiB out of 1221 MiB reference memory)
After features/support/hooks.rb:291 3.449
After features/support/hooks.rb:75 0.011