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| author | Joey Pabalinas <joeypabalinas@gmail.com> | 2018-01-01 10:40:14 -1000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-01-12 23:03:05 +1100 |
| commit | 40b6b8ae2a3d759238651c27393035b794ea7b90 (patch) | |
| tree | ca47a2449056d73893175072b6f2f5d1f18e697f /crypto | |
| parent | 9ccd67a5d3370f458d7a90e38da9450e2ec7bf77 (diff) | |
| download | linux-crypto-40b6b8ae2a3d759238651c27393035b794ea7b90.tar.gz linux-crypto-40b6b8ae2a3d759238651c27393035b794ea7b90.zip | |
crypto: testmgr - change `guard` to unsigned char
When char is signed, storing the values 0xba (186) and 0xad (173) in the
`guard` array produces signed overflow. Change the type of `guard` to
static unsigned char to correct undefined behavior and reduce function
stack usage.
Signed-off-by: Joey Pabalinas <joeypabalinas@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/testmgr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/testmgr.c b/crypto/testmgr.c index 29d7020b..44a85d4b 100644 --- a/crypto/testmgr.c +++ b/crypto/testmgr.c @@ -185,7 +185,7 @@ static int ahash_partial_update(struct ahash_request **preq, char *state; struct ahash_request *req; int statesize, ret = -EINVAL; - const char guard[] = { 0x00, 0xba, 0xad, 0x00 }; + static const unsigned char guard[] = { 0x00, 0xba, 0xad, 0x00 }; req = *preq; statesize = crypto_ahash_statesize( |