diff options
author | Gilad Ben-Yossef <gilad@benyossef.com> | 2017-05-18 16:29:24 +0300 |
---|---|---|
committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-05-23 12:45:11 +0800 |
commit | fbe4f68c5f4b4fc157b70217216ac44b8a01cf4e (patch) | |
tree | a0a066fec57b47156e4f52b5bf092ab0c1279211 /crypto/crct10dif_generic.c | |
parent | 548b37ff50e23c4d92f3878e70cebc12dd365352 (diff) | |
download | linux-crypto-fbe4f68c5f4b4fc157b70217216ac44b8a01cf4e.tar.gz linux-crypto-fbe4f68c5f4b4fc157b70217216ac44b8a01cf4e.zip |
crypto: drbg - wait for crypto op not signal safe
drbg_kcapi_sym_ctr() was using wait_for_completion_interruptible() to
wait for completion of async crypto op but if a signal occurs it
may return before DMA ops of HW crypto provider finish, thus
corrupting the output buffer.
Resolve this by using wait_for_completion() instead.
Reported-by: Eric Biggers <ebiggers3@gmail.com>
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
CC: stable@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/crct10dif_generic.c')
0 files changed, 0 insertions, 0 deletions