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crypto

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    crypto: algif_skcipher - only call put_page on referenced and used pages
    Stephan Mueller authored and Herbert Xu committed 
    For asynchronous operation, SGs are allocated without a page mapped to
them or with a page that is not used (ref-counted). If the SGL is freed,
the code must only call put_page for an SG if there was a page assigned
and ref-counted in the first place.

This fixes a kernel crash when using io_submit with more than one iocb
using the sendmsg and sendpage (vmsplice/splice) interface.

Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarStephan Mueller <smueller@chronox.de>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
    445a5827
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    Name Last commit Last update
    ..
    asymmetric_keys
    async_tx
    .gitignore
    842.c
    Kconfig
    Makefile
    ablk_helper.c
    ablkcipher.c
    acompress.c
    aead.c
    aes_generic.c
    aes_ti.c
    af_alg.c
    ahash.c
    akcipher.c
    algapi.c
    algboss.c
    algif_aead.c
    algif_hash.c
    algif_rng.c
    algif_skcipher.c
    ansi_cprng.c
    anubis.c
    api.c
    arc4.c
    authenc.c
    authencesn.c
    blkcipher.c
    blowfish_common.c
    blowfish_generic.c
    camellia_generic.c
    cast5_generic.c
    cast6_generic.c
    cast_common.c
    cbc.c
    ccm.c
    chacha20_generic.c
    chacha20poly1305.c
    cipher.c
    cmac.c
    compress.c
    crc32_generic.c
    crc32c_generic.c
    crct10dif_common.c
    crct10dif_generic.c
    cryptd.c
    crypto_engine.c
    crypto_null.c
    crypto_user.c
    crypto_wq.c
    ctr.c
    cts.c
    deflate.c
    des_generic.c
    dh.c
    dh_helper.c
    drbg.c
    ecb.c
    ecc.c
    ecc.h
    ecc_curve_defs.h
    ecdh.c
    ecdh_helper.c
    echainiv.c
    fcrypt.c
    fips.c
    gcm.c
    gf128mul.c
    ghash-generic.c
    hash_info.c
    hmac.c
    internal.h
    jitterentropy-kcapi.c
    jitterentropy.c
    keywrap.c
    khazad.c
    kpp.c
    lrw.c
    lz4.c
    lz4hc.c
    lzo.c
    mcryptd.c
    md4.c
    md5.c
    memneq.c
    michael_mic.c
    pcbc.c
    pcrypt.c
    poly1305_generic.c
    proc.c
    ripemd.h
    rmd128.c
    rmd160.c
    rmd256.c
    rmd320.c
    rng.c
    rsa-pkcs1pad.c
    rsa.c
    rsa_helper.c
    rsaprivkey.asn1