Project Number Date
test_Tails_ISO_stable 4617 13 Jan 2024, 12:14

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 14:21.973 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
19.697
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.721
And I prepare Tails for memory erasure tests 0.500
When I start a process allocating 128 MiB of memory with a known pattern 2.289
Then patterns cover at least 128 MiB in the guest's memory 3.564 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.638
Then I find very few patterns in the guest's memory 3.983 
Pattern coverage: 0.000% (0 MiB out of 1201 MiB reference memory)
After features/support/hooks.rb:291 0.720
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:1.983
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.394
And I prepare Tails for memory erasure tests 0.497
And I find very few patterns in the guest's memory 4.681 
Pattern coverage: 0.000% (0 MiB out of 1212 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 39.709
Then patterns cover at least 99% of the test FS size in the guest's memory 4.124 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.231
Then I find very few patterns in the guest's memory 4.343 
Pattern coverage: 0.000% (0 MiB out of 1212 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
3:20.010
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.263
And I prepare Tails for memory erasure tests 0.540
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.954
Then I find very few patterns in the guest's memory 4.430 
Pattern coverage: 0.000% (0 MiB out of 1207 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:41.556
Then patterns cover at least 86% of the test FS size in the guest's memory 3.619 
Pattern coverage: 95.419% (118 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.780
Then I find very few patterns in the guest's memory 3.761 
Pattern coverage: 0.000% (0 MiB out of 1207 MiB reference memory)
# read cache
When I mount the USB drive again 0.371
And I read the content of the test FS 0.572
Then patterns cover at least 99% of the test FS size in the guest's memory 3.478 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.737
Then I find very few patterns in the guest's memory 4.943 
Pattern coverage: 0.000% (0 MiB out of 1207 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
2:48.751
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.405
And I prepare Tails for memory erasure tests 0.482
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 25.483
Then I find very few patterns in the guest's memory 4.077 
Pattern coverage: 0.000% (0 MiB out of 1222 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:50.288
Then patterns cover at least 99% of the test FS size in the guest's memory 2.960 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.608
Then I find very few patterns in the guest's memory 3.326 
Pattern coverage: 0.000% (0 MiB out of 1222 MiB reference memory)
# read cache
When I mount the USB drive again 6.024
And I read the content of the test FS 0.506
Then patterns cover at least 99% of the test FS size in the guest's memory 2.749 
Pattern coverage: 108.662% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.507
Then I find very few patterns in the guest's memory 3.331 
Pattern coverage: 0.000% (0 MiB out of 1222 MiB reference memory)
After features/support/hooks.rb:291 0.984
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
53.398
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.416
And I prepare Tails for memory erasure tests 0.517
When I fill a 128 MiB file with a known pattern on the root filesystem 17.590
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.406
Then patterns cover at least 128 MiB in the guest's memory 2.856 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.632
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.959 
Pattern coverage: 0.000% (0 MiB out of 1212 MiB reference memory)
After features/support/hooks.rb:291 3.532
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
5:58.131
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 5:15.142
And I prepare Tails for memory erasure tests 0.433
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.009
When I trigger shutdown 0.280
And I wait 20 seconds 20.009 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.255 
Pattern coverage: 0.000% (0 MiB out of 1184 MiB reference memory)
After features/support/hooks.rb:291 3.558
After features/support/hooks.rb:75 0.014