crypto: af_alg - whitelist mask and type
The user space interface allows specifying the type and mask field used to allocate the cipher. Only a subset of the possible flags are intended for user space. Therefore, white-list the allowed flags. In case the user space caller uses at least one non-allowed flag, EINVAL is returned. Reported-by:syzbot <syzkaller@googlegroups.com> Cc: <stable@vger.kernel.org> Signed-off-by:
Stephan Mueller <smueller@chronox.de> Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au>
parent
da1729ce
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