Project Number Date
test_Tails_ISO_stable 4565 12 Dec 2023, 17:35

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 14:38.816 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
17.303
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 0.549
When I start a process allocating 128 MiB of memory with a known pattern 1.359
Then patterns cover at least 128 MiB in the guest's memory 3.363 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.382
Then I find very few patterns in the guest's memory 3.736 
Pattern coverage: 0.000% (0 MiB out of 1186 MiB reference memory)
After features/support/hooks.rb:291 0.755
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:7.892
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.267
And I prepare Tails for memory erasure tests 0.477
And I find very few patterns in the guest's memory 3.664 
Pattern coverage: 0.000% (0 MiB out of 1193 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 43.895
Then patterns cover at least 99% of the test FS size in the guest's memory 6.900 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.248
Then I find very few patterns in the guest's memory 4.438 
Pattern coverage: 0.000% (0 MiB out of 1193 MiB reference memory)
After features/support/hooks.rb:291 0.873
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:7.057
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.650
And I prepare Tails for memory erasure tests 0.493
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.104
Then I find very few patterns in the guest's memory 4.738 
Pattern coverage: 0.000% (0 MiB out of 1190 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:29.670
Then patterns cover at least 86% of the test FS size in the guest's memory 3.113 
Pattern coverage: 95.112% (118 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.983
Then I find very few patterns in the guest's memory 3.862 
Pattern coverage: 0.000% (0 MiB out of 1190 MiB reference memory)
# read cache
When I mount the USB drive again 0.639
And I read the content of the test FS 0.657
Then patterns cover at least 99% of the test FS size in the guest's memory 3.414 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.294
Then I find very few patterns in the guest's memory 4.432 
Pattern coverage: 0.000% (0 MiB out of 1190 MiB reference memory)
After features/support/hooks.rb:291 0.957
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:47.862
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 9.544
And I prepare Tails for memory erasure tests 0.630
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 22.267
Then I find very few patterns in the guest's memory 3.965 
Pattern coverage: 0.000% (0 MiB out of 1169 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:52.903
Then patterns cover at least 99% of the test FS size in the guest's memory 2.686 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.920
Then I find very few patterns in the guest's memory 3.248 
Pattern coverage: 0.000% (0 MiB out of 1169 MiB reference memory)
# read cache
When I mount the USB drive again 3.199
And I read the content of the test FS 0.385
Then patterns cover at least 99% of the test FS size in the guest's memory 2.658 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 2.189
Then I find very few patterns in the guest's memory 3.262 
Pattern coverage: 0.000% (0 MiB out of 1169 MiB reference memory)
After features/support/hooks.rb:291 0.860
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
48.747
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.452
And I prepare Tails for memory erasure tests 0.520
When I fill a 128 MiB file with a known pattern on the root filesystem 13.393
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.388
Then patterns cover at least 128 MiB in the guest's memory 2.218 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.999
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.754 
Pattern coverage: 0.000% (0 MiB out of 1192 MiB reference memory)
After features/support/hooks.rb:291 3.485
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:29.953
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 5:41.642
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.266
When I trigger shutdown 0.391
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.192 
Pattern coverage: 0.000% (0 MiB out of 1191 MiB reference memory)
After features/support/hooks.rb:291 3.471
After features/support/hooks.rb:75 0.011