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    SubjectRe: [PATCH/proposal] dm-crypt: add digest-based iv generation mode
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    Am Di, den 24.02.2004 schrieb James Morris um 23:26:

    > > BTW: I think there's a bug in the ipv6 code, it uses spin_lock to
    > > protect itself, this will cause a sleep-inside-spinlock warning. (found
    > > while grepping through the source for other cryptoapi users)
    >
    > Where is the bug?

    net/ipv6/addrconf.c: __ipv6_regen_rndid

    > spin_lock(&md5_tfm_lock);
    > if (unlikely(md5_tfm == NULL)) {
    > spin_unlock(&md5_tfm_lock);
    > return -1;
    > }
    > crypto_digest_init(md5_tfm);
    > crypto_digest_update(md5_tfm, sg, 2);
    > crypto_digest_final(md5_tfm, idev->work_digest);
    > spin_unlock(&md5_tfm_lock);


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