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| 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 | 58425dc5a756e7d9cab4d4f0632c0455e1419279 (patch) | |
| tree | 607fa71fd8932c2657db62de8db0679197e2b894 /crypto/Makefile | |
| parent | 75b192a19c70ec09e68484d7741a99438bbef306 (diff) | |
| download | linux-crypto-58425dc5a756e7d9cab4d4f0632c0455e1419279.tar.gz linux-crypto-58425dc5a756e7d9cab4d4f0632c0455e1419279.zip | |
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 'crypto/Makefile')
0 files changed, 0 insertions, 0 deletions