Project Number Date
test_Tails_ISO_stable 6150 17 Feb 2026, 12:45

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 13:9.233 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
49.055
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 8.307
And I prepare Tails for memory erasure tests 0.371
When I start a process allocating 128 MiB of memory with a known pattern 2.275
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 18.479 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.240
Then I find very few patterns in the guest's memory after 5 seconds 19.381 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
After features/support/hooks.rb:331 0.808
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:7.184
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 8.379
And I prepare Tails for memory erasure tests 0.397
And I find very few patterns in the guest's memory 14.646 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.940
Then patterns cover at least 99% of the test FS size in the guest's memory 15.243 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.240
Then I find very few patterns in the guest's memory after 3 seconds 24.338 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:331 0.746
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:42.263
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 8.196
And I prepare Tails for memory erasure tests 0.438
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.722
Then I find very few patterns in the guest's memory 14.660 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.754
Then patterns cover at least 75% of the test FS size in the guest's memory 16.046 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.608
Then I find very few patterns in the guest's memory after 3 seconds 16.765 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
# read cache
When I mount the USB drive again 0.211
And I read the content of the test FS 0.700
Then patterns cover at least 99% of the test FS size in the guest's memory 14.265 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.290
Then I find very few patterns in the guest's memory after 3 seconds 18.602 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:331 0.629
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:12.508
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 8.193
And I prepare Tails for memory erasure tests 0.365
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.032
Then I find very few patterns in the guest's memory 13.529 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.752
Then patterns cover at least 99% of the test FS size in the guest's memory 16.627 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.462
Then I find very few patterns in the guest's memory after 3 seconds 16.238 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
# read cache
When I mount the USB drive again 4.644
And I read the content of the test FS 0.445
Then patterns cover at least 99% of the test FS size in the guest's memory 16.533 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.482
Then I find very few patterns in the guest's memory after 3 seconds 22.201 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
After features/support/hooks.rb:331 1.060
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.018
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 8.284
And I prepare Tails for memory erasure tests 0.361
When I fill a 128 MiB file with a known pattern on the root filesystem 12.391
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.079
Then patterns cover at least 128 MiB in the guest's memory 10.023 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 22.864 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:331 3.706
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:22.202
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:47.731
And I prepare Tails for memory erasure tests 0.459
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.501
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 23.500 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
After features/support/hooks.rb:331 3.493
After features/support/hooks.rb:100 0.014