Project Number Date
test_Tails_ISO_stable 4676 20 Feb 2024, 21:33

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 13:46.879 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
19.495
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.651
And I prepare Tails for memory erasure tests 0.609
When I start a process allocating 128 MiB of memory with a known pattern 2.375
Then patterns cover at least 128 MiB in the guest's memory 3.607 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.269
Then I find very few patterns in the guest's memory 3.982 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
After features/support/hooks.rb:291 0.733
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:0.340
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.913
And I prepare Tails for memory erasure tests 0.751
And I find very few patterns in the guest's memory 3.968 
Pattern coverage: 0.000% (0 MiB out of 1191 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 39.068
Then patterns cover at least 99% of the test FS size in the guest's memory 3.948 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.218
Then I find very few patterns in the guest's memory 4.471 
Pattern coverage: 0.000% (0 MiB out of 1191 MiB reference memory)
After features/support/hooks.rb:291 0.729
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:59.726
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.757
And I prepare Tails for memory erasure tests 0.659
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.818
Then I find very few patterns in the guest's memory 4.507 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:22.991
Then patterns cover at least 86% of the test FS size in the guest's memory 3.408 
Pattern coverage: 97.018% (120 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.588
Then I find very few patterns in the guest's memory 3.740 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
# read cache
When I mount the USB drive again 0.309
And I read the content of the test FS 0.579
Then patterns cover at least 99% of the test FS size in the guest's memory 3.451 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.305
Then I find very few patterns in the guest's memory 3.607 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
After features/support/hooks.rb:291 0.914
After features/support/hooks.rb:75 0.001
Tags: @product @slow @not_release_blocker
2:31.522
Before features/support/hooks.rb:245 0.004
Given I have started Tails from DVD without network and logged in 8.114
And I prepare Tails for memory erasure tests 0.670
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 23.227
Then I find very few patterns in the guest's memory 3.062 
Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:34.456
Then patterns cover at least 99% of the test FS size in the guest's memory 3.358 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 1.476
Then I find very few patterns in the guest's memory 3.134 
Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)
# read cache
When I mount the USB drive again 3.614
And I read the content of the test FS 0.560
Then patterns cover at least 99% of the test FS size in the guest's memory 2.458 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 3.633
Then I find very few patterns in the guest's memory 3.754 
Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)
After features/support/hooks.rb:291 0.727
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
48.005
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.910
And I prepare Tails for memory erasure tests 0.700
When I fill a 128 MiB file with a known pattern on the root filesystem 11.574
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.563
Then patterns cover at least 128 MiB in the guest's memory 3.259 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 1.136
And I wait 20 seconds 20.001 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.859 
Pattern coverage: 0.000% (0 MiB out of 1203 MiB reference memory)
After features/support/hooks.rb:291 3.444
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:7.788
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 5:21.106
And I prepare Tails for memory erasure tests 0.506
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.571
When I trigger shutdown 0.251
And I wait 20 seconds 20.017 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.334 
Pattern coverage: 0.000% (0 MiB out of 1217 MiB reference memory)
After features/support/hooks.rb:291 3.476
After features/support/hooks.rb:75 0.041