vfs: ensure page symlinks are NUL-terminated

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On-disk data corruption could cause a page link to have its i_size set
to PAGE_SIZE (or a multiple thereof) and its contents all non-NUL.
NUL-terminate the link name to ensure this doesn't cause further
problems for the kernel.

Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Duane Griffin <duaneg@dghda.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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Duane Griffin 2008-12-19 20:47:12 +00:00 • committed by Al Viro

parent 035146851c

commit ebd09abbd9

1 changed files with 5 additions and 2 deletions

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fs/namei.c

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