Project Number Date
test_Tails_ISO_5501-plaintext-locale-greeter 20 10 Jun 2025, 09:37

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 11:22.748 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
23.515
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.909
And I prepare Tails for memory erasure tests 0.424
When I start a process allocating 128 MiB of memory with a known pattern 2.491
Then patterns cover at least 128 MiB in the guest's memory 3.515 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.227
Then I find very few patterns in the guest's memory after 5 seconds 8.945 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 1.379
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.399
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.686
And I prepare Tails for memory erasure tests 0.529
And I find very few patterns in the guest's memory 4.758 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.836
Then patterns cover at least 99% of the test FS size in the guest's memory 4.192 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.444
Then I find very few patterns in the guest's memory after 3 seconds 6.950 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 0.747
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.974
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.550
And I prepare Tails for memory erasure tests 0.473
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.319
Then I find very few patterns in the guest's memory 4.825 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.287
Then patterns cover at least 75% of the test FS size in the guest's memory 6.433 
Pattern coverage: 84.834% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.789
Then I find very few patterns in the guest's memory after 3 seconds 6.603 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.225
And I read the content of the test FS 0.964
Then patterns cover at least 99% of the test FS size in the guest's memory 4.118 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.786
Then I find very few patterns in the guest's memory after 3 seconds 8.594 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 1.111
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.440
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.787
And I prepare Tails for memory erasure tests 0.546
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.356
Then I find very few patterns in the guest's memory 2.504 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.511
Then patterns cover at least 99% of the test FS size in the guest's memory 3.438 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.703
Then I find very few patterns in the guest's memory after 3 seconds 6.255 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 3.929
And I read the content of the test FS 0.443
Then patterns cover at least 99% of the test FS size in the guest's memory 3.473 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.482
Then I find very few patterns in the guest's memory after 3 seconds 6.007 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.033
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.889
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 9.183
And I prepare Tails for memory erasure tests 0.454
When I fill a 128 MiB file with a known pattern on the root filesystem 19.880
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.247
Then patterns cover at least 128 MiB in the guest's memory 3.123 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.987 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.593
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:23.529
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:36.404
And I prepare Tails for memory erasure tests 0.529
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.072
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.510 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 3.780
After features/support/hooks.rb:100 0.036