Project Number Date
test_Tails_ISO_stable 5004 07 Aug 2024, 12:43

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 43 1 7 0 0 51 5 1 6 11:15.564 Failed
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.
21.388
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.721
And I prepare Tails for memory erasure tests 0.560
When I start a process allocating 128 MiB of memory with a known pattern 1.298
Then patterns cover at least 128 MiB in the guest's memory 4.152

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

When I kill the allocating process 0.235
Then I find very few patterns in the guest's memory after 3 seconds 6.420

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:326 1.456
After features/support/hooks.rb:100 0.000
25.574
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.572
And I prepare Tails for memory erasure tests 0.449
And I find very few patterns in the guest's memory 3.341

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.699
Then patterns cover at least 99% of the test FS size in the guest's memory 3.273

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

When I umount "/mnt" 0.962
Then I find very few patterns in the guest's memory after 3 seconds 7.275

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:326 1.288
After features/support/hooks.rb:100 0.000
31.507
Scenario Erasure of read and write disk caches on unmount: vfat
Before features/support/hooks.rb:269 0.003
Steps
Given I have started Tails from DVD without network and logged in 10.677
And I prepare Tails for memory erasure tests 0.420
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.188
Then I find very few patterns in the guest's memory 4.304

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.714
Then patterns cover at least 86% of the test FS size in the guest's memory 4.202
85.725% of the test FS size (127.599609375 MiB) has the pattern, but more than 86.000% was expected.
<false> is not true. (Test::Unit::AssertionFailedError)
./features/step_definitions/erase_memory.rb:170:in `/^patterns cover at least (\d+)% of the test FS size in the guest's memory$/'
features/erase_memory.feature:37:in `Then patterns cover at least 86% of the test FS size in the guest's memory'
Output 1

Pattern coverage: 85.725% (109 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.000
Then I find very few patterns in the guest's memory after 3 seconds 0.000
# read cache
When I mount the USB drive again 0.000
And I read the content of the test FS 0.000
Then patterns cover at least 99% of the test FS size in the guest's memory 0.000
When I umount the USB drive 0.000
Then I find very few patterns in the guest's memory after 3 seconds 0.000
After features/support/hooks.rb:326 5.299

SCENARIO FAILED: 'Erasure of read and write disk caches on unmount: vfat' (at time 00:30:38)

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/5004/artifact/build-artifacts/00:30:38_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.file_content_var_log_boot.log

Screenshot: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/5004/artifact/build-artifacts/00:30:38_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/5004/artifact/build-artifacts/00:30:38_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.mkv

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/5004/artifact/build-artifacts/00:30:38_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.journal

After features/support/hooks.rb:100 0.000
1:13.393
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.669
And I prepare Tails for memory erasure tests 0.426
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.684
Then I find very few patterns in the guest's memory 2.666

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.466
Then patterns cover at least 99% of the test FS size in the guest's memory 2.752

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

When I umount the USB drive 1.016
Then I find very few patterns in the guest's memory after 3 seconds 6.092

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

# read cache
When I mount the USB drive again 4.804
And I read the content of the test FS 0.439
Then patterns cover at least 99% of the test FS size in the guest's memory 3.438

Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.851
Then I find very few patterns in the guest's memory after 3 seconds 6.086

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

After features/support/hooks.rb:326 0.841
After features/support/hooks.rb:100 0.000
52.747
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.273
And I prepare Tails for memory erasure tests 0.423
When I fill a 128 MiB file with a known pattern on the root filesystem 17.959
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.384
Then patterns cover at least 128 MiB in the guest's memory 2.999

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 20.692

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:326 3.535
After features/support/hooks.rb:100 0.000
7:50.953
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:6.582
And I prepare Tails for memory erasure tests 0.447
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.653
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.258

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:326 3.528
After features/support/hooks.rb:100 0.014