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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2006-12-10 10:45:28 +1100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2007-02-07 09:20:58 +1100 |
| commit | 39d18f6d8174abb5dc23bfb0342e472f2c8ef8ca (patch) | |
| tree | b4bfa8ef802e807f6cbdcf80b6faa3d1cc194850 /crypto/cbc.c | |
| parent | cd5b1e3a795536ffb7e6450fbce75a363a9841a0 (diff) | |
| download | linux-crypto-39d18f6d8174abb5dc23bfb0342e472f2c8ef8ca.tar.gz linux-crypto-39d18f6d8174abb5dc23bfb0342e472f2c8ef8ca.zip | |
[CRYPTO] all: Check for usage in hard IRQ context
Using blkcipher/hash crypto operations in hard IRQ context can lead
to random memory corruption due to the reuse of kmap_atomic slots.
Since crypto operations were never meant to be used in hard IRQ
contexts, this patch checks for such usage and returns an error
before kmap_atomic is performed.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/cbc.c')
0 files changed, 0 insertions, 0 deletions