[v1] 9pfs: fix 'Twalk' protocol violation

[PATCH 0/6] 9pfs: fix 'Twalk' protocol violation

Christian Schoenebeck posted 6 patches 2 years, 1 month ago

Diff against v2 v3 v4
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Maintainers: Greg Kurz <groug@kaod.org>, Christian Schoenebeck <qemu_oss@crudebyte.com>, Thomas Huth <thuth@redhat.com>, Laurent Vivier <lvivier@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>

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hw/9pfs/9p.c                 |  43 ++++++----
tests/qtest/virtio-9p-test.c | 162 ++++++++++++++++++++++++++++++++++-
2 files changed, 188 insertions(+), 17 deletions(-)

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[PATCH 0/6] 9pfs: fix 'Twalk' protocol violation

Posted by Christian Schoenebeck 2 years, 1 month ago

Currently the implementation of 'Twalk' does not behave exactly as specified
by the 9p2000 protocol specification. Actual fix is patch 5; see the
description of that patch for details of what this overall fix and series is
about.

Patch 4 is a preparatory (pure) refactoring change to make patch 5 better
readable.

All the other patches are just additional test cases for guarding 'Twalk'
behaviour.

Christian Schoenebeck (6):
  tests/9pfs: walk to non-existent dir
  tests/9pfs: Twalk with nwname=0
  tests/9pfs: compare QIDs in fs_walk_none() test
  9pfs: refactor 'name_idx' -> 'nvalid' in v9fs_walk()
  9pfs: fix 'Twalk' to only send error if no component walked
  tests/9pfs: guard recent 'Twalk' behaviour fix

 hw/9pfs/9p.c                 |  43 ++++++----
 tests/qtest/virtio-9p-test.c | 162 ++++++++++++++++++++++++++++++++++-
 2 files changed, 188 insertions(+), 17 deletions(-)

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2.30.2