Project Number Date
test_Tails_ISO_improved-new-identity-scenario 9 08 May 2025, 13:27

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 11:35.003 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.
26.121
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 8.704
And I prepare Tails for memory erasure tests 0.495
When I start a process allocating 128 MiB of memory with a known pattern 3.321
Then patterns cover at least 128 MiB in the guest's memory 3.974

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

When I kill the allocating process 1.128
Then I find very few patterns in the guest's memory after 5 seconds 8.494

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

After features/support/hooks.rb:330 0.787
After features/support/hooks.rb:100 0.000
29.700
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 8.798
And I prepare Tails for memory erasure tests 0.459
And I find very few patterns in the guest's memory 3.707

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.027
Then patterns cover at least 99% of the test FS size in the guest's memory 4.705

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

When I umount "/mnt" 3.511
Then I find very few patterns in the guest's memory after 3 seconds 6.490

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:330 0.848
After features/support/hooks.rb:100 0.000
52.127
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 9.461
And I prepare Tails for memory erasure tests 0.511
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.371
Then I find very few patterns in the guest's memory 3.724

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 5.128
Then patterns cover at least 75% of the test FS size in the guest's memory 4.141

Pattern coverage: 89.068% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.182
Then I find very few patterns in the guest's memory after 3 seconds 6.449

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

# read cache
When I mount the USB drive again 0.292
And I read the content of the test FS 0.497
Then patterns cover at least 99% of the test FS size in the guest's memory 3.684

Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.443
Then I find very few patterns in the guest's memory after 3 seconds 6.238

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:330 1.120
After features/support/hooks.rb:100 0.000
1:18.157
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 9.242
And I prepare Tails for memory erasure tests 0.465
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.113
Then I find very few patterns in the guest's memory 2.743

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.807
Then patterns cover at least 99% of the test FS size in the guest's memory 3.055

Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.805
Then I find very few patterns in the guest's memory after 3 seconds 5.921

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

# read cache
When I mount the USB drive again 4.841
And I read the content of the test FS 0.596
Then patterns cover at least 99% of the test FS size in the guest's memory 3.343

Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.649
Then I find very few patterns in the guest's memory after 3 seconds 5.570

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

After features/support/hooks.rb:330 1.304
After features/support/hooks.rb:100 0.000
58.704
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 8.580
And I prepare Tails for memory erasure tests 0.494
When I fill a 128 MiB file with a known pattern on the root filesystem 23.935
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.604
Then patterns cover at least 128 MiB in the guest's memory 3.159

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

When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.913

Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)

After features/support/hooks.rb:330 3.722
After features/support/hooks.rb:100 0.000
7:30.192
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 6:45.402
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.112
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.227

Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)

After features/support/hooks.rb:330 3.535
After features/support/hooks.rb:100 0.012