diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2017-10-09 23:30:02 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-18 09:20:41 +0200 |
| commit | 03bd90fc82e4a0b39455de5a9a7a75a7a9a7e662 (patch) | |
| tree | 9d886447765448851c3e8370e2a49684e08be5aa /arch/x86/kvm | |
| parent | 2929cb995378205bceda86d6fd3cbc22e522f97f (diff) | |
crypto: shash - Fix zero-length shash ahash digest crash
commit b61907bb42409adf9b3120f741af7c57dd7e3db2 upstream.
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.
Reported-by: Stephan Müller<smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Tested-by: Stephan Müller <smueller@chronox.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/kvm')
0 files changed, 0 insertions, 0 deletions