Project Number Date
test_Tails_ISO_stable 6622 02 Sep 2026, 07:24

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 7:13.476 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
20.825
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 6.297
And I prepare Tails for memory erasure tests 0.323
When I start a process allocating 128 MiB of memory with a known pattern 2.211
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.998 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.277
Then I find very few patterns in the guest's memory after 5 seconds 7.716 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 0.915
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.133
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 6.247
And I prepare Tails for memory erasure tests 0.411
And I find very few patterns in the guest's memory 2.622 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.512
Then patterns cover at least 99% of the test FS size in the guest's memory 2.948 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.439
Then I find very few patterns in the guest's memory after 3 seconds 5.951 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 0.626
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.632
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 6.333
And I prepare Tails for memory erasure tests 0.286
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.323
Then I find very few patterns in the guest's memory 2.748 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.688
Then patterns cover at least 75% of the test FS size in the guest's memory 3.094 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.761
Then I find very few patterns in the guest's memory after 3 seconds 5.725 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# read cache
When I mount the USB drive again 0.199
And I read the content of the test FS 0.510
Then patterns cover at least 99% of the test FS size in the guest's memory 2.863 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.428
Then I find very few patterns in the guest's memory after 3 seconds 5.669 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:339 0.584
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.253
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 6.291
And I prepare Tails for memory erasure tests 0.325
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.224
Then I find very few patterns in the guest's memory 2.574 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.275
Then patterns cover at least 99% of the test FS size in the guest's memory 2.692 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.541
Then I find very few patterns in the guest's memory after 3 seconds 5.344 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# read cache
When I mount the USB drive again 3.985
And I read the content of the test FS 0.330
Then patterns cover at least 99% of the test FS size in the guest's memory 2.733 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.436
Then I find very few patterns in the guest's memory after 3 seconds 5.498 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:339 1.018
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.702
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 6.409
And I prepare Tails for memory erasure tests 0.339
When I fill a 128 MiB file with a known pattern on the root filesystem 13.559
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.563
Then patterns cover at least 128 MiB in the guest's memory 2.124 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.700 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:339 3.837
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:9.928
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 3:37.989
And I prepare Tails for memory erasure tests 0.305
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.376
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.252 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:339 3.770
After features/support/hooks.rb:108 0.033