Project Number Date
test_Tails_ISO_stable 6126 07 Feb 2026, 11:56

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 7:32.269 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
19.519
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 6.832
And I prepare Tails for memory erasure tests 0.397
When I start a process allocating 128 MiB of memory with a known pattern 2.244
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.712 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.298
Then I find very few patterns in the guest's memory after 5 seconds 7.034 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:331 0.770
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.671
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 6.657
And I prepare Tails for memory erasure tests 0.323
And I find very few patterns in the guest's memory 1.971 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.491
Then patterns cover at least 99% of the test FS size in the guest's memory 2.425 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.827
Then I find very few patterns in the guest's memory after 3 seconds 4.974 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 0.513
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
35.310
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 6.630
And I prepare Tails for memory erasure tests 0.386
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.830
Then I find very few patterns in the guest's memory 2.287 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.917
Then patterns cover at least 75% of the test FS size in the guest's memory 2.296 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.043
Then I find very few patterns in the guest's memory after 3 seconds 5.160 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# read cache
When I mount the USB drive again 0.195
And I read the content of the test FS 0.531
Then patterns cover at least 99% of the test FS size in the guest's memory 2.393 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.439
Then I find very few patterns in the guest's memory after 3 seconds 5.196 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 1.046
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.122
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 6.988
And I prepare Tails for memory erasure tests 0.367
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.784
Then I find very few patterns in the guest's memory 1.872 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.393
Then patterns cover at least 99% of the test FS size in the guest's memory 2.130 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.672
Then I find very few patterns in the guest's memory after 3 seconds 4.685 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
# read cache
When I mount the USB drive again 4.067
And I read the content of the test FS 0.303
Then patterns cover at least 99% of the test FS size in the guest's memory 2.193 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.530
Then I find very few patterns in the guest's memory after 3 seconds 5.132 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:331 0.726
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.082
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 6.650
And I prepare Tails for memory erasure tests 0.360
When I fill a 128 MiB file with a known pattern on the root filesystem 14.313
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.659
Then patterns cover at least 128 MiB in the guest's memory 1.569 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.522 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 3.520
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:33.563
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 4:1.776
And I prepare Tails for memory erasure tests 0.468
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.320
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.991 
Pattern coverage: 0.000% (0 MiB out of 1536 MiB reference memory)
After features/support/hooks.rb:331 3.776
After features/support/hooks.rb:100 0.009