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generic: test encryption key revocation during concurrent I/O

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Add a test which revokes a keyring key while other processes are
performing I/O on an encrypted file that was "unlocked" using that key.
The crashes unpatched kernels with filesystem encryption enabled.

This bug was present in kernels v4.2 and later.  It has been fixed in
v4.11-rc4, v4.10.7, v4.9.20, and v4.4.59.

Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Richard Weinberger <richard@nod.at>
Cc: Michael Halcrow <mhalcrow@google.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
This commit is contained in:
Eric Biggers
2017-03-31 12:48:36 -07:00
committed by Eryu Guan
parent 9d0c046534
commit 98ac3be360
4 changed files with 121 additions and 0 deletions
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tests/generic/group
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@@ -423,3 +423,4 @@
418 auto rw
419 auto quick encrypt
420 auto quick punch
421 auto quick encrypt dangerous