Project Number Date
test_Tails_ISO_21565-flatpak-safe 70 05 Oct 2026, 19:19

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 7:19.150 Passed
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.
19.849
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 6.245
And I prepare Tails for memory erasure tests 0.296
When I start a process allocating 128 MiB of memory with a known pattern 2.231
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.156

Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)

When I kill the allocating process 0.215
Then I find very few patterns in the guest's memory after 5 seconds 7.702

Pattern coverage: 0.000% (0 MiB out of 1391 MiB reference memory)

After features/support/hooks.rb:339 0.878
After features/support/hooks.rb:108 0.000
20.039
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 0.291
And I find very few patterns in the guest's memory 3.066

Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.268
Then patterns cover at least 99% of the test FS size in the guest's memory 3.031

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I umount "/mnt" 0.314
Then I find very few patterns in the guest's memory after 3 seconds 5.819

Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)

After features/support/hooks.rb:339 0.711
After features/support/hooks.rb:108 0.000
38.948
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.499
And I prepare Tails for memory erasure tests 0.659
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.829
Then I find very few patterns in the guest's memory 3.146

Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.579
Then patterns cover at least 75% of the test FS size in the guest's memory 2.783

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 6.201

Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)

# read cache
When I mount the USB drive again 0.207
And I read the content of the test FS 0.678
Then patterns cover at least 99% of the test FS size in the guest's memory 3.398

Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.426
Then I find very few patterns in the guest's memory after 3 seconds 5.775

Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)

After features/support/hooks.rb:339 0.887
After features/support/hooks.rb:108 0.000
1:0.353
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.360
And I prepare Tails for memory erasure tests 0.454
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.753
Then I find very few patterns in the guest's memory 2.686

Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.184
Then patterns cover at least 99% of the test FS size in the guest's memory 2.707

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.549
Then I find very few patterns in the guest's memory after 3 seconds 5.952

Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)

# read cache
When I mount the USB drive again 3.751
And I read the content of the test FS 0.350
Then patterns cover at least 99% of the test FS size in the guest's memory 2.748

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.397
Then I find very few patterns in the guest's memory after 3 seconds 5.456

Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)

After features/support/hooks.rb:339 0.899
After features/support/hooks.rb:108 0.000
44.696
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.397
And I prepare Tails for memory erasure tests 0.359
When I fill a 128 MiB file with a known pattern on the root filesystem 13.143
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.608
Then patterns cover at least 128 MiB in the guest's memory 2.376

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 20.805

Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)

After features/support/hooks.rb:339 4.094
After features/support/hooks.rb:108 0.000
4:15.262
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 3:44.913
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 8.795
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.225

Pattern coverage: 0.000% (0 MiB out of 1394 MiB reference memory)

After features/support/hooks.rb:339 3.443
After features/support/hooks.rb:108 0.012