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    SubjectRe: [PATCH] AFS: Stop readlink() on AFS crashing because file not passed to afs_readpage()
    On Thu, 27 Aug 2009 13:22:31 +0100
    David Howells <> wrote:

    > kAFS crashes when asked to read a symbolic link because page_getlink() passes a
    > NULL file pointer to read_mapping_page(), but afs_readpage() expects a file
    > pointer from which to extract a key.
    > Modify afs_readpage() to request the appropriate key from the calling process's
    > keyrings if a file struct is not supplied with one attached.

    That seems like a rather large bug.

    To which kernel version(s) should we apply this?


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