On Sun, Jan 06, 2019 at 12:46:05PM -0800, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@xxxxxxxxxx>
>
> crypto_grab_*() doesn't set crypto_spawn::inst, so templates must set it
> beforehand. Otherwise it will be left NULL, which causes a crash in
> certain cases where algorithms are dynamically loaded/unloaded. E.g.
> with CONFIG_CRYPTO_CHACHA20_X86_64=m, the following caused a crash:
>
> insmod chacha-x86_64.ko
> python -c 'import socket; socket.socket(socket.AF_ALG, 5, 0).bind(("skcipher", "adiantum(xchacha12,aes)"))'
> rmmod chacha-x86_64.ko
> python -c 'import socket; socket.socket(socket.AF_ALG, 5, 0).bind(("skcipher", "adiantum(xchacha12,aes)"))'
>
> Fixes: 059c2a4d8e16 ("crypto: adiantum - add Adiantum support")
> Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>
> ---
> crypto/adiantum.c | 4 ++++
> 1 file changed, 4 insertions(+)
Patch applied. Thanks.
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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