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author | Huang Ying <ying.huang@intel.com> | 2009-03-16 18:44:33 +0100 |
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committer | Alasdair G Kergon <agk@redhat.com> | 2009-03-16 18:44:33 +0100 |
commit | b2174eebd1fadb76454dad09a1dacbc17081e6b0 (patch) | |
tree | a53722388ed012d097cf58a29e484957109c0b7b /drivers/char/tty_io.c | |
parent | dm io: respect BIO_MAX_PAGES limit (diff) | |
download | linux-b2174eebd1fadb76454dad09a1dacbc17081e6b0.tar.xz linux-b2174eebd1fadb76454dad09a1dacbc17081e6b0.zip |
dm crypt: fix kcryptd_async_done parameter
In the async encryption-complete function (kcryptd_async_done), the
crypto_async_request passed in may be different from the one passed to
crypto_ablkcipher_encrypt/decrypt. Only crypto_async_request->data is
guaranteed to be same as the one passed in. The current
kcryptd_async_done uses the passed-in crypto_async_request directly
which may cause the AES-NI-based AES algorithm implementation to panic.
This patch fixes this bug by only using crypto_async_request->data,
which points to dm_crypt_request, the crypto_async_request passed in.
The original data (convert_context) is gotten from dm_crypt_request.
[mbroz@redhat.com: reworked]
Cc: stable@kernel.org
Signed-off-by: Huang Ying <ying.huang@intel.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/char/tty_io.c')
0 files changed, 0 insertions, 0 deletions