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(parent: ae400be) | patch
crypto: ccp - Validate the the error value used to index error messages
authorHook, Gary <Gary.Hook@amd.com>
Thu, 27 Jun 2019 16:16:23 +0000 (16:16 +0000)
committerHerbert Xu <herbert@gondor.apana.org.au>
Wed, 3 Jul 2019 14:13:12 +0000 (22:13 +0800)
commit52393d617af7b554f03531e6756facf2ea687d2e
tree56a98bb9cd2c002ffaecbf2ff702f3d3fbd2a430tree | snapshot
parentae400be94b84206e8344e8f10d896aeb3ea2f505commit | diff
crypto: ccp - Validate the the error value used to index error messages

The error code read from the queue status register is only 6 bits wide,
but we need to verify its value is within range before indexing the error
messages.

Fixes: 81422badb3907 ("crypto: ccp - Make syslog errors human-readable")
Cc: <stable@vger.kernel.org>
Reported-by: Cfir Cohen <cfir@google.com>
Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
drivers/crypto/ccp/ccp-dev.c diff | blob | history
drivers/crypto/ccp/ccp-dev.h diff | blob | history
John Crispins staging tree