Project Number Date
test_Tails_ISO_stable 6148 15 Feb 2026, 11:55

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 7:25.684 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
19.995
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 6.901
And I prepare Tails for memory erasure tests 0.417
When I start a process allocating 128 MiB of memory with a known pattern 2.232
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.976 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 1.138
Then I find very few patterns in the guest's memory after 5 seconds 7.329 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 0.894
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.141
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.010
Given I have started Tails from DVD without network and logged in 6.632
And I prepare Tails for memory erasure tests 0.426
And I find very few patterns in the guest's memory 1.874 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.148
Then patterns cover at least 99% of the test FS size in the guest's memory 2.031 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.822
Then I find very few patterns in the guest's memory after 3 seconds 5.204 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 0.813
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.885
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 7.114
And I prepare Tails for memory erasure tests 0.336
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.219
Then I find very few patterns in the guest's memory 1.949 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.999
Then patterns cover at least 75% of the test FS size in the guest's memory 2.350 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.232
Then I find very few patterns in the guest's memory after 3 seconds 4.857 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
# read cache
When I mount the USB drive again 0.144
And I read the content of the test FS 0.495
Then patterns cover at least 99% of the test FS size in the guest's memory 2.061 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.249
Then I find very few patterns in the guest's memory after 3 seconds 4.875 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:331 0.996
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:8.464
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.629
And I prepare Tails for memory erasure tests 0.320
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.023
Then I find very few patterns in the guest's memory 1.830 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.948
Then patterns cover at least 99% of the test FS size in the guest's memory 2.057 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.614
Then I find very few patterns in the guest's memory after 3 seconds 4.780 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
# read cache
When I mount the USB drive again 12.611
And I read the content of the test FS 0.261
Then patterns cover at least 99% of the test FS size in the guest's memory 2.159 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.483
Then I find very few patterns in the guest's memory after 3 seconds 4.740 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 1.057
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.484
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 6.891
And I prepare Tails for memory erasure tests 0.385
When I fill a 128 MiB file with a known pattern on the root filesystem 13.333
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.774
Then patterns cover at least 128 MiB in the guest's memory 1.588 
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 20.505 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:331 3.831
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:19.713
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 3:48.283
And I prepare Tails for memory erasure tests 0.328
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.216
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.879 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
After features/support/hooks.rb:331 3.537
After features/support/hooks.rb:100 0.010