Project Number Date
test_Tails_ISO_devel 3702 20 Feb 2025, 09:40

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 11:37.519 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
24.141
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.018
And I prepare Tails for memory erasure tests 0.390
When I start a process allocating 128 MiB of memory with a known pattern 2.405
Then patterns cover at least 128 MiB in the guest's memory 3.160 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.484
Then I find very few patterns in the guest's memory after 5 seconds 7.681 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 0.862
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.042
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.320
And I prepare Tails for memory erasure tests 0.426
And I find very few patterns in the guest's memory 5.455 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.275
Then patterns cover at least 99% of the test FS size in the guest's memory 4.607 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.444
Then I find very few patterns in the guest's memory after 3 seconds 6.512 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 0.821
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.046
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.138
And I prepare Tails for memory erasure tests 0.448
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.065
Then I find very few patterns in the guest's memory 4.033 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.070
Then patterns cover at least 75% of the test FS size in the guest's memory 4.458 
Pattern coverage: 92.720% (118 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.749
Then I find very few patterns in the guest's memory after 3 seconds 6.976 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 0.294
And I read the content of the test FS 1.452
Then patterns cover at least 99% of the test FS size in the guest's memory 3.938 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.883
Then I find very few patterns in the guest's memory after 3 seconds 6.536 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 1.060
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.236
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.185
And I prepare Tails for memory erasure tests 0.395
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.938
Then I find very few patterns in the guest's memory 2.375 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.034
Then patterns cover at least 99% of the test FS size in the guest's memory 3.067 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.051
Then I find very few patterns in the guest's memory after 3 seconds 5.974 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 4.801
And I read the content of the test FS 0.423
Then patterns cover at least 99% of the test FS size in the guest's memory 3.056 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.601
Then I find very few patterns in the guest's memory after 3 seconds 5.330 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 1.532
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.751
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.930
And I prepare Tails for memory erasure tests 0.461
When I fill a 128 MiB file with a known pattern on the root filesystem 15.909
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.102
Then patterns cover at least 128 MiB in the guest's memory 2.598 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.733 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 3.516
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:49.301
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 7:3.596
And I prepare Tails for memory erasure tests 0.473
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.673
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.544 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 3.529
After features/support/hooks.rb:100 0.012