Project Number Date
test_Tails_ISO_devel 4156 07 Jan 2026, 11:31

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 7:39.275 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
18.779
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 7.361
And I prepare Tails for memory erasure tests 0.444
When I start a process allocating 128 MiB of memory with a known pattern 1.282
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.388 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.231
Then I find very few patterns in the guest's memory after 5 seconds 7.070 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:331 1.056
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.662
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 7.195
And I prepare Tails for memory erasure tests 0.552
And I find very few patterns in the guest's memory 2.738 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.704
Then patterns cover at least 99% of the test FS size in the guest's memory 2.144 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.309
Then I find very few patterns in the guest's memory after 3 seconds 5.016 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:331 1.128
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
36.636
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 7.288
And I prepare Tails for memory erasure tests 0.544
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.859
Then I find very few patterns in the guest's memory 1.937 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.431
Then patterns cover at least 75% of the test FS size in the guest's memory 2.577 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.153
Then I find very few patterns in the guest's memory after 3 seconds 5.566 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
# read cache
When I mount the USB drive again 0.242
And I read the content of the test FS 0.813
Then patterns cover at least 99% of the test FS size in the guest's memory 2.557 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.392
Then I find very few patterns in the guest's memory after 3 seconds 5.270 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:331 1.058
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:4.248
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 6.982
And I prepare Tails for memory erasure tests 0.498
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.580
Then I find very few patterns in the guest's memory 2.012 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.031
Then patterns cover at least 99% of the test FS size in the guest's memory 3.517 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.540
Then I find very few patterns in the guest's memory after 3 seconds 5.153 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
# read cache
When I mount the USB drive again 3.661
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 2.074 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.537
Then I find very few patterns in the guest's memory after 3 seconds 5.354 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:331 1.303
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.985
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 7.629
And I prepare Tails for memory erasure tests 0.460
When I fill a 128 MiB file with a known pattern on the root filesystem 13.774
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.328
Then patterns cover at least 128 MiB in the guest's memory 1.683 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 21.103 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:331 3.586
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:32.962
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 4:0.432
And I prepare Tails for memory erasure tests 0.323
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.959
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 21.237 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 3.862
After features/support/hooks.rb:100 0.009