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(parent: 271817a) | patch
crypto: algif_hash - Only export and import on sockets with data
authorHerbert Xu <herbert@gondor.apana.org.au>
Sun, 1 Nov 2015 09:11:19 +0000 (17:11 +0800)
committerHerbert Xu <herbert@gondor.apana.org.au>
Mon, 2 Nov 2015 09:48:30 +0000 (17:48 +0800)
commit4afa5f9617927453ac04b24b584f6c718dfb4f45
treec2304ce35cb7d2bec45f3f257c4194ab2278b3a9tree | snapshot
parent271817a3e92c0455bda5856d87eca244ad67d3a2commit | diff
crypto: algif_hash - Only export and import on sockets with data

The hash_accept call fails to work on sockets that have not received
any data.  For some algorithm implementations it may cause crashes.

This patch fixes this by ensuring that we only export and import on
sockets that have received data.

Cc: stable@vger.kernel.org
Reported-by: Harsh Jain <harshjain.prof@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Tested-by: Stephan Mueller <smueller@chronox.de>
crypto/algif_hash.c diff | blob | history
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