diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2017-10-09 23:30:02 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-10-11 00:34:07 +0800 |
| commit | b61907bb42409adf9b3120f741af7c57dd7e3db2 (patch) | |
| tree | 5e2e631bddf0f13336e2c52ac93cbce361bfcbd7 /security | |
| parent | 0cabf2af6f5ac3c88cb106c4e06087a5a39b8e1e (diff) | |
crypto: shash - Fix zero-length shash ahash digest crash
The shash ahash digest adaptor function may crash if given a
zero-length input together with a null SG list. This is because
it tries to read the SG list before looking at the length.
This patch fixes it by checking the length first.
Cc: <stable@vger.kernel.org>
Reported-by: Stephan Müller<smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Tested-by: Stephan Müller <smueller@chronox.de>
Diffstat (limited to 'security')
0 files changed, 0 insertions, 0 deletions