Project Number Date
test_Tails_ISO_late-patch-improvements 2 13 Nov 2026, 00:10

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 7:9.902 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
19.235
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.135
And I prepare Tails for memory erasure tests 0.296
When I start a process allocating 128 MiB of memory with a known pattern 2.183
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.874 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.163
Then I find very few patterns in the guest's memory after 5 seconds 7.583 
Pattern coverage: 0.000% (0 MiB out of 1429 MiB reference memory)
After features/support/hooks.rb:339 0.975
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.396
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.121
And I prepare Tails for memory erasure tests 0.275
And I find very few patterns in the guest's memory 2.719 
Pattern coverage: 0.000% (0 MiB out of 1428 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.444
Then patterns cover at least 99% of the test FS size in the guest's memory 2.865 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.355
Then I find very few patterns in the guest's memory after 3 seconds 5.615 
Pattern coverage: 0.000% (0 MiB out of 1428 MiB reference memory)
After features/support/hooks.rb:339 0.725
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.864
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.092
And I prepare Tails for memory erasure tests 0.295
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.429
Then I find very few patterns in the guest's memory 2.622 
Pattern coverage: 0.000% (0 MiB out of 1427 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.447
Then patterns cover at least 75% of the test FS size in the guest's memory 2.993 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.682
Then I find very few patterns in the guest's memory after 3 seconds 5.618 
Pattern coverage: 0.000% (0 MiB out of 1427 MiB reference memory)
# read cache
When I mount the USB drive again 0.155
And I read the content of the test FS 0.704
Then patterns cover at least 99% of the test FS size in the guest's memory 2.703 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.434
Then I find very few patterns in the guest's memory after 3 seconds 5.683 
Pattern coverage: 0.000% (0 MiB out of 1427 MiB reference memory)
After features/support/hooks.rb:339 0.846
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
59.661
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.165
And I prepare Tails for memory erasure tests 0.271
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.255
Then I find very few patterns in the guest's memory 2.628 
Pattern coverage: 0.000% (0 MiB out of 1431 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.124
Then patterns cover at least 99% of the test FS size in the guest's memory 2.604 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.441
Then I find very few patterns in the guest's memory after 3 seconds 5.429 
Pattern coverage: 0.000% (0 MiB out of 1431 MiB reference memory)
# read cache
When I mount the USB drive again 4.035
And I read the content of the test FS 0.394
Then patterns cover at least 99% of the test FS size in the guest's memory 2.563 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.347
Then I find very few patterns in the guest's memory after 3 seconds 5.398 
Pattern coverage: 0.000% (0 MiB out of 1431 MiB reference memory)
After features/support/hooks.rb:339 0.738
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.718
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.128
And I prepare Tails for memory erasure tests 0.288
When I fill a 128 MiB file with a known pattern on the root filesystem 13.137
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.290
Then patterns cover at least 128 MiB in the guest's memory 2.199 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.003
Then I find very few patterns in the guest's memory after 20 seconds 20.670 
Pattern coverage: 0.000% (0 MiB out of 1425 MiB reference memory)
After features/support/hooks.rb:339 3.816
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:12.025
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:39.996
And I prepare Tails for memory erasure tests 0.240
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.702
When I trigger shutdown 0.003
Then I find very few patterns in the guest's memory after 20 seconds 21.082 
Pattern coverage: 0.000% (0 MiB out of 1440 MiB reference memory)
After features/support/hooks.rb:339 3.653
After features/support/hooks.rb:108 0.012