Project Number Date
test_Tails_ISO_stable 5286 23 Nov 2024, 09:07

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 11:13.992 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
22.112
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.244
And I prepare Tails for memory erasure tests 0.402
When I start a process allocating 128 MiB of memory with a known pattern 2.880
Then patterns cover at least 128 MiB in the guest's memory 3.327 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.374
Then I find very few patterns in the guest's memory after 3 seconds 5.882 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 0.792
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.625
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.155
And I prepare Tails for memory erasure tests 0.437
And I find very few patterns in the guest's memory 2.779 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.050
Then patterns cover at least 99% of the test FS size in the guest's memory 3.413 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.713
Then I find very few patterns in the guest's memory after 3 seconds 6.074 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.909
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.374
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.024
And I prepare Tails for memory erasure tests 0.385
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.185
Then I find very few patterns in the guest's memory 2.633 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.622
Then patterns cover at least 75% of the test FS size in the guest's memory 2.920 
Pattern coverage: 88.009% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.574
Then I find very few patterns in the guest's memory after 3 seconds 5.843 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 0.275
And I read the content of the test FS 0.637
Then patterns cover at least 99% of the test FS size in the guest's memory 3.168 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.593
Then I find very few patterns in the guest's memory after 3 seconds 6.510 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 1.255
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.261
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.180
And I prepare Tails for memory erasure tests 0.386
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.691
Then I find very few patterns in the guest's memory 2.778 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.868
Then patterns cover at least 99% of the test FS size in the guest's memory 2.955 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.713
Then I find very few patterns in the guest's memory after 3 seconds 5.425 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 6.244
And I read the content of the test FS 1.181
Then patterns cover at least 99% of the test FS size in the guest's memory 2.697 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.164
Then I find very few patterns in the guest's memory after 3 seconds 5.973 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 0.802
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.878
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.954
And I prepare Tails for memory erasure tests 0.374
When I fill a 128 MiB file with a known pattern on the root filesystem 17.278
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.801
Then patterns cover at least 128 MiB in the guest's memory 2.566 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.886 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 3.540
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:34.739
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:50.436
And I prepare Tails for memory erasure tests 0.753
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.394
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.138 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.511
After features/support/hooks.rb:100 0.009