diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2014-11-27 22:38:12 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2014-11-28 23:33:18 +0800 |
| commit | 5aeeb42eca4edc92bd0fd9ed99a36e6ad95f4e44 (patch) | |
| tree | 32e1e7ff04c33304f7e9f5656172a30e5af50571 /crypto/cipher.c | |
| parent | d04559b19f65b04ca6cf45c80c934c75e5030507 (diff) | |
| download | linux-crypto-5aeeb42eca4edc92bd0fd9ed99a36e6ad95f4e44.tar.gz linux-crypto-5aeeb42eca4edc92bd0fd9ed99a36e6ad95f4e44.zip | |
crypto: algif_skcipher - Fixed blocking recvmsg
As most (all?) users of algif_skcipher are single-threaded and
therefore always write before reading from an algif_skcipher
socket, they never block and exercise that code-path.
It turns out that code path doesn't even work because we never
reload ctx->used after waking up so we never even see the new
data and immediately return an error (and a loud WARN_ON).
This patch fixes this by always reloading ctx->used.
Reported-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Stephan Mueller <smueller@chronox.de>
Diffstat (limited to 'crypto/cipher.c')
0 files changed, 0 insertions, 0 deletions