Project Number Date
test_Tails_ISO_stable 4599 02 Jan 2024, 12:06

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 13:49.513 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
19.437
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.831
And I prepare Tails for memory erasure tests 0.584
When I start a process allocating 128 MiB of memory with a known pattern 2.351
Then patterns cover at least 128 MiB in the guest's memory 3.379 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.288
Then I find very few patterns in the guest's memory 4.002 
Pattern coverage: 0.000% (0 MiB out of 1218 MiB reference memory)
After features/support/hooks.rb:291 0.788
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:1.830
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 10.169
And I prepare Tails for memory erasure tests 0.619
And I find very few patterns in the guest's memory 3.935 
Pattern coverage: 0.000% (0 MiB out of 1229 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 39.345
Then patterns cover at least 99% of the test FS size in the guest's memory 3.135 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.316
Then I find very few patterns in the guest's memory 4.307 
Pattern coverage: 0.000% (0 MiB out of 1229 MiB reference memory)
After features/support/hooks.rb:291 0.782
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:58.785
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.058
And I prepare Tails for memory erasure tests 0.519
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.945
Then I find very few patterns in the guest's memory 3.815 
Pattern coverage: 0.000% (0 MiB out of 1208 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:23.899
Then patterns cover at least 86% of the test FS size in the guest's memory 2.930 
Pattern coverage: 95.011% (118 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.452
Then I find very few patterns in the guest's memory 3.822 
Pattern coverage: 0.000% (0 MiB out of 1208 MiB reference memory)
# read cache
When I mount the USB drive again 0.281
And I read the content of the test FS 0.542
Then patterns cover at least 99% of the test FS size in the guest's memory 3.348 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.387
Then I find very few patterns in the guest's memory 3.781 
Pattern coverage: 0.000% (0 MiB out of 1208 MiB reference memory)
After features/support/hooks.rb:291 1.118
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:26.300
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.963
And I prepare Tails for memory erasure tests 0.604
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 24.394
Then I find very few patterns in the guest's memory 3.342 
Pattern coverage: 0.000% (0 MiB out of 1212 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:29.996
Then patterns cover at least 99% of the test FS size in the guest's memory 2.843 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 1.157
Then I find very few patterns in the guest's memory 3.344 
Pattern coverage: 0.000% (0 MiB out of 1212 MiB reference memory)
# read cache
When I mount the USB drive again 4.445
And I read the content of the test FS 0.421
Then patterns cover at least 99% of the test FS size in the guest's memory 2.702 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.704
Then I find very few patterns in the guest's memory 3.378 
Pattern coverage: 0.000% (0 MiB out of 1212 MiB reference memory)
After features/support/hooks.rb:291 1.867
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
47.243
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.041
And I prepare Tails for memory erasure tests 0.575
When I fill a 128 MiB file with a known pattern on the root filesystem 11.713
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.556
Then patterns cover at least 128 MiB in the guest's memory 2.579 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.931
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.824 
Pattern coverage: 0.000% (0 MiB out of 1213 MiB reference memory)
After features/support/hooks.rb:291 3.478
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:15.917
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 5:32.591
And I prepare Tails for memory erasure tests 0.450
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.214
When I trigger shutdown 0.380
And I wait 20 seconds 20.018 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.261 
Pattern coverage: 0.000% (0 MiB out of 1185 MiB reference memory)
After features/support/hooks.rb:291 3.492
After features/support/hooks.rb:75 0.009